This is a sortable table of the approximately 3,424 townlands in County Mayo, Ireland. [1][2]
Duplicate names occur where there is more than one townland with the same name in the county. Names marked in bold typeface are towns, and the word Town appears for those entries in the Acres column.
| Townland | Acres | Barony | Civil Parish | Poor Law Union |
|---|---|---|---|---|
| Abbeylands | 40 | Tirawley | Killala | Killala |
| Abbeyquarter | 193 | Costello | Annagh | Claremorris |
| Abbeytown | 124 | Tirawley | Crossmolina | Ballina |
| Achillbeg Island | 330 | Burrishoole | Achill | Newport |
| Acres | 89 | Clanmorris | Mayo | Claremorris |
| Addergoole | 942 | Costello | Aghamore | Claremorris |
| Addergoole (or Knockmaria) | 227 | Tirawley | Addergoole | Castlebar |
| Aderg | 129 | Costello | Annagh | Claremorris |
| Aghadifflin | 950 | Costello | Kilmovee | Swineford |
| Aghadooey Glebe | 44 | Burrishoole | Burrishoole | Newport |
| Aghadoon | 660 | Erris | Kilmore | Belmullet |
| Aghadrinagh | 355 | Carra | Ballyhean | Castlebar |
| Aghafadda | 71 | Kilmaine | Ballinchalla | Ballinrobe |
| Aghaglasheen | 1,522 | Erris | Kilmore | Belmullet |
| Aghagower | Town | Burrishoole | Aghagower | Westport |
| Aghagower | 445 | Burrishoole | Aghagower | Westport |
| Aghagowla Beg | 88 | Burrishoole | Kilmaclasser | Westport |
| Aghagowla More | 256 | Burrishoole | Kilmaclasser | Westport |
| Aghalahard | 153 | Kilmaine | Cong | Ballinrobe |
| Aghaleague | 574 | Tirawley | Lackan | Killala |
| Aghaloonteen | 591 | Tirawley | Addergoole | Castlebar |
| Aghalusky | 228 | Carra | Aglish | Castlebar |
| Aghalusky | 571 | Gallen | Templemore | Castlebar |
| Aghamore | 436 | Costello | Aghamore | Swineford |
| Aghamore | 44 | Murrisk | Oughaval | Westport |
| Aghany | 481 | Murrisk | Kilgeever | Westport |
| Aghareville Lower | 164 | Clanmorris | Kilcolman | Claremorris |
| Aghareville Upper | 233 | Clanmorris | Kilcolman | Claremorris |
| Aghataharn | 542 | Costello | Aghamore | Swineford |
| Aghaward | 251 | Gallen | Toomore | Swineford |
| Aghinish | 370 | Carra | Ballyovey | Ballinrobe |
| Aghleam | 732 | Erris | Kilmore | Belmullet |
| Aghoo | 508 | Tirawley | Doonfeeny | Killala |
| Aghoos | 897 | Erris | Kilcommon | Belmullet |
| Aghtaboy | 358 | Costello | Knock | Claremorris |
| Agloragh | 274 | Costello | Annagh | Claremorris |
| Ahanroe | 33 | Carra | Breaghwy | Castlebar |
| Ahena | 256 | Clanmorris | Tagheen | Claremorris |
| Aille | 656 | Burrishoole | Aghagower | Westport |
| Aillebaun | 1,244 | Murrisk | Aghagower | Westport |
| Aillemore | 714 | Murrisk | Kilgeever | Westport |
| Allwoan Island | 2 | Tirawley | Ballysakeery | Ballina |
| Alt | 291 | Erris | Kilcommon | Belmullet |
| Altbaun | 226 | Gallen | Bohola | Swineford |
| Altderg | 905 | Tirawley | Kilfian | Killala |
| Altnabrocky | 4,682 | Erris | Kilcommon | Belmullet |
| Annagh | 601 | Costello | Aghamore | Swineford |
| Annagh | 78 | Kilmaine | Ballinrobe | Ballinrobe |
| Annagh | 298 | Carra | Islandeady | Castlebar |
| Annagh | 421 | Erris | Kilmore | Belmullet |
| Annagh Beg | 478 | Tirawley | Kilfian | Killala |
| Annagh Hill | 154 | Gallen | Killedan | Swineford |
| Annagh Island | 52 | Tirawley | Kilbelfad | Ballina |
| Annagh Island | 627 | Erris | Kilcommon | Newport |
| Annagh Island East | 47 | Murrisk | Oughaval | Westport |
| Annagh Island Middle | 11 | Murrisk | Oughaval | Westport |
| Annagh Island West | 17 | Murrisk | Oughaval | Westport |
| Annagh More | 446 | Tirawley | Kilfian | Killala |
| Annaghroe Island | 22 | Tirawley | Kilbelfad | Ballina |
| Annaghteige Island | 14 | Tirawley | Kilbelfad | Ballina |
| Annalecka | 55 | Carra | Aglish | Castlebar |
| Annies | 179 | Kilmaine | Robeen | Ballinrobe |
| Antigua (or Lisnageeha) | 157 | Carra | Aglish | Castlebar |
| Ara | 495 | Gallen | Kildacommoge | Castlebar |
| Ardacarha | 301 | Gallen | Bohola | Swineford |
| Ardagh | 195 | Tirawley | Ardagh | Ballina |
| Ardagh | 64 | Burrishoole | Burrishoole | Newport |
| Ardboley North | 219 | Clanmorris | Balla | Castlebar |
| Ardboley South | 218 | Clanmorris | Balla | Castlebar |
| Ardcloon | 239 | Gallen | Templemore | Castlebar |
| Ardcorky | 251 | Clanmorris | Mayo | Castlebar |
| Arderry | 1,118 | Burrishoole | Aghagower | Westport |
| Arderry | 296 | Costello | Aghamore | Swineford |
| Arderry | 79 | Costello | Annagh | Claremorris |
| Ardhoom | 344 | Gallen | Meelick | Swineford |
| Ardkeen | 136 | Burrishoole | Kilmeena | Westport |
| Ardkill | 446 | Costello | Castlemore | Castlereagh |
| Ardkill | 431 | Kilmaine | Kilcommon | Ballinrobe |
| Ardlee | 87 | Gallen | Kilconduff | Swineford |
| Ardmoran | 129 | Kilmaine | Kilmainebeg | Ballinrobe |
| Ardmore | 143 | Erris | Kilmore | Belmullet |
| Ardmore | 57 | Murrisk | Oughaval | Westport |
| Ardmore Point | 93 | Erris | Kilmore | Belmullet |
| Ardnacally | 355 | Kilmaine | Robeen | Ballinrobe |
| Ardnagor | 137 | Tirawley | Rathreagh | Killala |
| Ardogommon | 233 | Burrishoole | Aghagower | Westport |
| Ardoley | 143 | Murrisk | Oughaval | Westport |
| Ardoughan | 268 | Tirawley | Kilmoremoy | Ballina |
| Ardowen | 173 | Erris | Kilmore | Belmullet |
| Ardowen Common | 21 | Erris | Kilmore | Belmullet |
| Ardrass | 235 | Gallen | Attymass | Ballina |
| Ardroe | 93 | Clanmorris | Kilcolman | Claremorris |
| Ardvarney | 377 | Carra | Aglish | Castlebar |
| Ardvarney | 42 | Kilmaine | Kilmainebeg | Ballinrobe |
| Ardvarney | 147 | Tirawley | Moygawnagh | Killala |
| Ashbrook | 142 | Gallen | Templemore | Castlebar |
| Askillaun | 874 | Murrisk | Kilgeever | Westport |
| Askillaun | 200 | Gallen | Killasser | Swineford |
| Attavally | 118 | Carra | Ballintober | Castlebar |
| Attavally | 816 | Erris | Kilcommon | Belmullet |
| Attavally | 107 | Gallen | Killedan | Swineford |
| Attiantaggart | 159 | Costello | Kilcolman | Castlereagh |
| Attiappleton | 140 | Carra | Turlough | Castlebar |
| Atticahill | 117 | Gallen | Kildacommoge | Castlebar |
| Atticloghy | 352 | Tirawley | Rathreagh | Killala |
| Atticonaun | 551 | Erris | Kilcommon | Belmullet |
| Attimachugh | 542 | Gallen | Killasser | Swineford |
| Attinaskollia | 89 | Gallen | Killasser | Swineford |
| Attireesh | 106 | Murrisk | Oughaval | Westport |
| Attishane | 206 | Tirawley | Crossmolina | Ballina |
| Attishane (Joynt) | 148 | Tirawley | Crossmolina | Ballina |
| Aughernagalliagh | 952 | Erris | Kilmore | Belmullet |
| Aughness | 2,709 | Erris | Kilcommon | Newport |
| Bal of Dookinelly (Calvy) | 189 | Burrishoole | Achill | Newport |
| Balla | Town | Clanmorris | Balla | Castlebar |
| Balla | 251 | Clanmorris | Balla | Castlebar |
| Ballaghaderreen | Town | Costello | Kilcolman | Castlereagh |
| Ballaghaderreen | 349 | Costello | Kilcolman | Castlereagh |
| Ballaghamuck | 565 | Tirawley | Crossmolina | Ballina |
| Ballaghfarna | 187 | Carra | Drum | Castlebar |
| Ballina | Town | Tirawley | Kilmoremoy | Ballina |
| Ballina | 601 | Erris | Kilcommon | Belmullet |
| Ballina | 137 | Kilmaine | Kilmainemore | Ballinrobe |
| Ballina | 602 | Tirawley | Kilmoremoy | Ballina |
| Ballinacostello | 132 | Costello | Aghamore | Swineford |
| Ballinafad | 306 | Carra | Drum | Castlebar |
| Ballinagavna | 109 | Tirawley | Kilfian | Killala |
| Ballinagran | 334 | Clanmorris | Balla | Castlebar |
| Ballinalecka | 87 | Carra | Ballintober | Castlebar |
| Ballinamore | 1,276 | Gallen | Killedan | Swineford |
| Ballinaster | 153 | Clanmorris | Mayo | Claremorris |
| Ballinaya | 233 | Kilmaine | Ballinrobe | Ballinrobe |
| Ballinchalla | 365 | Kilmaine | Ballinchalla | Ballinrobe |
| Ballindell East | 81 | Clanmorris | Crossboyne | Claremorris |
| Ballindell West | 49 | Clanmorris | Crossboyne | Claremorris |
| Ballindine | Town | Clanmorris | Crossboyne | Claremorris |
| Ballindine East | 127 | Clanmorris | Crossboyne | Claremorris |
| Ballindine North | 77 | Clanmorris | Crossboyne | Claremorris |
| Ballindine West | 90 | Clanmorris | Crossboyne | Claremorris |
| Ballindoo (or Doocastle) | 1,956 | Costello | Kilturra | Swineford |
| Ballindrehid | 405 | Gallen | Kilconduff | Swineford |
| Ballingarden | 78 | Carra | Turlough | Castlebar |
| Ballinglen | 1,451 | Tirawley | Doonfeeny | Killala |
| Ballingrogy | 111 | Tirawley | Crossmolina | Ballina |
| Ballinhoe | 178 | Carra | Manulla | Castlebar |
| Ballinillaun | 207 | Gallen | Toomore | Swineford |
| Ballinlaban | 427 | Tirawley | Crossmolina | Ballina |
| Ballinlag | 338 | Gallen | Bohola | Swineford |
| Ballinlassa | 163 | Carra | Drum | Castlebar |
| Ballinlena | 159 | Tirawley | Kilcummin | Killala |
| Ballinlough | 369 | Burrishoole | Kilmeena | Westport |
| Ballinlough | 500 | Clanmorris | Mayo | Claremorris |
| Ballinloughaun | 322 | Tirawley | Crossmolina | Ballina |
| Ballinphuill | 58 | Costello | Bekan | Claremorris |
| Ballinphuill | 123 | Clanmorris | Kilcolman | Claremorris |
| Ballinrobe | Town | Kilmaine | Ballinrobe | Ballinrobe |
| Ballinrobe Demesne | 286 | Kilmaine | Ballinrobe | Ballinrobe |
| Ballinrumpa | 181 | Costello | Kilmovee | Swineford |
| Ballinsmaula | 191 | Clanmorris | Kilcolman | Claremorris |
| Ballintadder | 122 | Costello | Kilbeagh | Swineford |
| Ballintaffy | 637 | Clanmorris | Kilcolman | Claremorris |
| Ballintecan | 359 | Tirawley | Ballysakeery | Ballina |
| Ballinteeaun | 321 | Kilmaine | Ballinrobe | Ballinrobe |
| Ballintemple | 314 | Gallen | Meelick | Swineford |
| Ballintleva | 423 | Burrishoole | Kilmaclasser | Westport |
| Ballintleva | 134 | Clanmorris | Mayo | Castlebar |
| Ballintober | 358 | Carra | Ballintober | Castlebar |
| Ballintober | 415 | Tirawley | Kilfian | Killala |
| Ballinulty | 254 | Kilmaine | Kilmainemore | Ballinrobe |
| Ballinvilla | 275 | Carra | Aglish | Castlebar |
| Ballinvilla | 436 | Clanmorris | Kilvine | Claremorris |
| Ballinvilla Demesne | 76 | Costello | Bekan | Claremorris |
| Ballinvoash | 180 | Carra | Turlough | Castlebar |
| Ballinvoher | 98 | Gallen | Meelick | Swineford |
| Ballinvoy | 117 | Burrishoole | Aghagower | Westport |
| Ballisnahyny | 315 | Kilmaine | Kilmainebeg | Ballinrobe |
| Ballisnahyny | 839 | Kilmaine | Shrule | Ballinrobe |
| Balloor | 168 | Costello | Aghamore | Swineford |
| Balloor | 151 | Carra | Breaghwy | Castlebar |
| Balloor | 179 | Murrisk | Kilgeever | Westport |
| Balloor East | 145 | Carra | Ballintober | Castlebar |
| Balloor West | 80 | Carra | Ballintober | Castlebar |
| Balloorclerhy | 475 | Gallen | Killedan | Swineford |
| Balloughadalla | 635 | Tirawley | Ballysakeery | Ballina |
| Ballyargadaun | 205 | Kilmaine | Ballinchalla | Ballinrobe |
| Ballyargadaun | 161 | Kilmaine | Kilmolara | Ballinrobe |
| Ballyart | 70 | Carra | Turlough | Castlebar |
| Ballybackagh | 83 | Kilmaine | Kilmainebeg | Ballinrobe |
| Ballyballinaun | 192 | Burrishoole | Aghagower | Westport |
| Ballybanaun Mountain | 472 | Carra | Ballyovey | Ballinrobe |
| Ballybaun | 314 | Costello | Annagh | Claremorris |
| Ballybeg | 119 | Costello | Annagh | Claremorris |
| Ballybeg | 388 | Tirawley | Ballynahaglish | Ballina |
| Ballybeg | 102 | Erris | Kilcommon | Belmullet |
| Ballybeg | 716 | Tirawley | Rathreagh | Killala |
| Ballybeg Island | 6 | Murrisk | Kilgeever | Westport |
| Ballybrinoge | 192 | Tirawley | Crossmolina | Ballina |
| Ballybroony | 842 | Tirawley | Ballysakeery | Ballina |
| Ballycally | 784 | Carra | Burriscarra | Ballinrobe |
| Ballycarra | 184 | Carra | Drum | Castlebar |
| Ballycarroon | 203 | Tirawley | Crossmolina | Ballina |
| Ballycastle | Town | Tirawley | Doonfeeny | Killala |
| Ballycastle | 298 | Tirawley | Doonfeeny | Killala |
| Ballyclogher | 824 | Clanmorris | Balla | Castlebar |
| Ballycong | 582 | Gallen | Attymass | Ballina |
| Ballycurrin Demesne | 557 | Kilmaine | Shrule | Ballinrobe |
| Ballycusheen | 765 | Kilmaine | Kilmainemore | Ballinrobe |
| Ballydavock | 78 | Carra | Drum | Castlebar |
| Ballyderg | 395 | Tirawley | Ballynahaglish | Ballina |
| Ballydonnellan | 59 | Burrishoole | Aghagower | Westport |
| Ballydrum | 346 | Gallen | Kilconduff | Swineford |
| Ballyduffy | 167 | Tirawley | Addergoole | Castlebar |
| Ballyfarnagh | 358 | Clanmorris | Kilcolman | Claremorris |
| Ballygarries | 183 | Kilmaine | Robeen | Ballinrobe |
| Ballygarriff | 217 | Carra | Turlough | Castlebar |
| Ballygarry | 128 | Carra | Ballyovey | Ballinrobe |
| Ballygarry | 120 | Tirawley | Kilcummin | Killala |
| Ballyglass | 72 | Costello | Aghamore | Swineford |
| Ballyglass | 244 | Kilmaine | Ballinchalla | Ballinrobe |
| Ballyglass | 894 | Clanmorris | Crossboyne | Claremorris |
| Ballyglass | 357 | Tirawley | Doonfeeny | Killala |
| Ballyglass | 270 | Clanmorris | Kilcolman | Claremorris |
| Ballyglass | 154 | Gallen | Kilconduff | Swineford |
| Ballyglass | 306 | Burrishoole | Kilmaclasser | Westport |
| Ballyglass | 243 | Erris | Kilmore | Belmullet |
| Ballyglass | 307 | Costello | Kilmovee | Swineford |
| Ballyglass | 125 | Tirawley | Moygawnagh | Killala |
| Ballyglass | 171 | Carra | Touaghty | Ballinrobe |
| Ballyglass East | 213 | Costello | Kilbeagh | Swineford |
| Ballyglass Lower | 211 | Costello | Annagh | Claremorris |
| Ballyglass Middle | 316 | Costello | Annagh | Claremorris |
| Ballyglass West | 74 | Costello | Kilbeagh | Swineford |
| Ballygolman | 337 | Murrisk | Aghagower | Westport |
| Ballygomman | 238 | Carra | Kildacommoge | Castlebar |
| Ballygowan | 88 | Clanmorris | Kilcolman | Claremorris |
| Ballygowan | 308 | Tirawley | Rathreagh | Killala |
| Ballyguin | 114 | Carra | Turlough | Castlebar |
| Ballyhankeen | 373 | Clanmorris | Crossboyne | Claremorris |
| Ballyhanruck | 309 | Tirawley | Kilbelfad | Ballina |
| Ballyhaunis | Town | Costello | Annagh | Claremorris |
| Ballyhaunis | Town | Costello | Bekan | Claremorris |
| Ballyheer | 498 | Murrisk | Kilgeever | Westport |
| Ballyheeragh (Caslane) | 302 | Kilmaine | Kilcommon | Ballinrobe |
| Ballyheeragh (St. Leger) | 303 | Kilmaine | Kilcommon | Ballinrobe |
| Ballyhenry | 38 | Kilmaine | Kilmainemore | Ballinrobe |
| Ballyhenry (or Caraun) | 168 | Kilmaine | Kilmainebeg | Ballinrobe |
| Ballyhiernaun | 274 | Tirawley | Ballynahaglish | Ballina |
| Ballyhine | 206 | Costello | Aghamore | Swineford |
| Ballyhowly | 242 | Clanmorris | Knock | Claremorris |
| Ballyjennings | 218 | Kilmaine | Kilmainemore | Ballinrobe |
| Ballykerrigan | 56 | Clanmorris | Balla | Castlebar |
| Ballykill Lower | 132 | Carra | Breaghwy | Castlebar |
| Ballykill Upper | 81 | Carra | Breaghwy | Castlebar |
| Ballykilleen | 649 | Costello | Annagh | Claremorris |
| Ballykinava | 1,001 | Clanmorris | Kilcolman | Claremorris |
| Ballykine Lower | 455 | Kilmaine | Cong | Oughterard |
| Ballykine Upper | 159 | Kilmaine | Cong | Ballinrobe |
| Ballykinlettragh | 1,864 | Tirawley | Kilfian | Killala |
| Ballyknock | 825 | Tirawley | Addergoole | Castlebar |
| Ballyknock | 709 | Tirawley | Doonfeeny | Killala |
| Ballylahan | 283 | Gallen | Templemore | Castlebar |
| Ballymacgibbon N. | 236 | Kilmaine | Cong | Ballinrobe |
| Ballymacgibbon S. | 375 | Kilmaine | Cong | Ballinrobe |
| Ballymachugh | 357 | Tirawley | Kilbride | Killala |
| Ballymackeehola | 1,334 | Tirawley | Ballysakeery | Ballina |
| Ballymackeogh | 230 | Clanmorris | Balla | Castlebar |
| Ballymacloughlin | 113 | Clanmorris | Balla | Castlebar |
| Ballymacrah | 367 | Carra | Aglish | Castlebar |
| Ballymacredmond | 146 | Tirawley | Addergoole | Castlebar |
| Ballymacredmond | 335 | Tirawley | Ballynahaglish | Ballina |
| Ballymacsherron | 335 | Erris | Kilmore | Belmullet |
| Ballymaging (or Castlemore) | 285 | Costello | Castlemore | Castlereagh |
| Ballymanagh | 187 | Tirawley | Ardagh | Ballina |
| Ballymangan | 282 | Kilmaine | Kilcommon | Ballinrobe |
| Ballymartin | 327 | Kilmaine | Kilmainemore | Ballinrobe |
| Ballymiles | 141 | Gallen | Meelick | Swineford |
| Ballymoneen | 157 | Tirawley | Crossmolina | Ballina |
| Ballymore | 599 | Gallen | Attymass | Ballina |
| Ballymoyock | 320 | Tirawley | Addergoole | Castlebar |
| Ballymullavil | 106 | Clanmorris | Mayo | Claremorris |
| Ballymurphy | 77 | Tirawley | Lackan | Killala |
| Ballynaboll | 277 | Tirawley | Ballysakeery | Ballina |
| Ballynaboll North | 64 | Carra | Aglish | Castlebar |
| Ballynaboll South | 121 | Carra | Aglish | Castlebar |
| Ballynabrehon North | 296 | Clanmorris | Kilcolman | Claremorris |
| Ballynabrehon South | 317 | Clanmorris | Kilcolman | Claremorris |
| Ballynacarragh | 172 | Kilmaine | Kilmainemore | Ballinrobe |
| Ballynacarrick | 284 | Clanmorris | Kilcolman | Claremorris |
| Ballynacarriga | 191 | Carra | Aglish | Castlebar |
| Ballynacarriga | 306 | Burrishoole | Kilmaclasser | Westport |
| Ballynacloy | 218 | Costello | Aghamore | Swineford |
| Ballynacloy | 272 | Tirawley | Crossmolina | Ballina |
| Ballynagarha | 189 | Carra | Ballyhean | Castlebar |
| Ballynaglea | 177 | Carra | Touaghty | Ballinrobe |
| Ballynagor | 419 | Tirawley | Moygawnagh | Killala |
| Ballynahaglish | 189 | Tirawley | Ballynahaglish | Ballina |
| Ballynakillew | 121 | Kilmaine | Ballinrobe | Ballinrobe |
| Ballynaleck | 217 | Tirawley | Lackan | Killala |
| Ballynalty | 632 | Kilmaine | Shrule | Ballinrobe |
| Ballynalynagh | 273 | Tirawley | Crossmolina | Ballina |
| Ballynamarroge | 406 | Burrishoole | Islandeady | Westport |
| Ballynamona | 583 | Gallen | Killedan | Swineford |
| Ballynamuddagh | 162 | Carra | Rosslee | Ballinrobe |
| Ballynanerroon Beg | 77 | Carra | Ballyovey | Ballinrobe |
| Ballynanerroon More | 255 | Carra | Ballyovey | Ballinrobe |
| Ballynaraha | 91 | Tirawley | Ballynahaglish | Ballina |
| Ballynaslee | 101 | Carra | Ballyovey | Ballinrobe |
| Ballynastangford Lower | 143 | Clanmorris | Kilcolman | Claremorris |
| Ballynastangford Upper | 99 | Clanmorris | Kilcolman | Claremorris |
| Ballynastocka | 268 | Costello | Annagh | Claremorris |
| Ballyneety | 310 | Tirawley | Crossmolina | Ballina |
| Ballyneggin | 180 | Carra | Aglish | Castlebar |
| Ballynew | 98 | Carra | Aglish | Castlebar |
| Ballynew | 119 | Clanmorris | Kilcolman | Claremorris |
| Ballynew | 174 | Clanmorris | Tagheen | Claremorris |
| Ballyoughter | 317 | Costello | Kilcolman | Castlereagh |
| Ballyroe | 91 | Costello | Knock | Claremorris |
| Ballyrourke | 145 | Clanmorris | Balla | Castlebar |
| Ballyrourke | 49 | Kilmaine | Ballinchalla | Ballinrobe |
| Ballysakeery | 436 | Tirawley | Ballysakeery | Ballina |
| Ballyscanlan | 253 | Tirawley | Crossmolina | Ballina |
| Ballyshane | 233 | Carra | Breaghwy | Castlebar |
| Ballyshingadaun | 286 | Kilmaine | Kilmolara | Ballinrobe |
| Ballyteige | 472 | Tirawley | Addergoole | Castlebar |
| Ballytoohy Beg | 121 | Murrisk | Kilgeever | Westport |
| Ballytoohy More | 526 | Murrisk | Kilgeever | Westport |
| Ballytrasna | 239 | Kilmaine | Kilmolara | Ballinrobe |
| Ballyvicmaha | 249 | Tirawley | Crossmolina | Ballina |
| Ballywalter | 220 | Kilmaine | Kilmolara | Ballinrobe |
| Ballywalter | 181 | Kilmaine | Robeen | Ballinrobe |
| Ballyweela | 380 | Kilmaine | Kilcommon | Ballinrobe |
| Banagher | 130 | Tirawley | Kilcummin | Killala |
| Bangor | 762 | Erris | Kilcommon | Belmullet |
| Baralty | 1,190 | Erris | Kilcommon | Belmullet |
| Barcull | 702 | Costello | Kilmovee | Swineford |
| Bargarriff | 458 | Costello | Annagh | Claremorris |
| Barheen | 126 | Costello | Annagh | Claremorris |
| Barleyhill | 638 | Gallen | Bohola | Swineford |
| Barna | 193 | Kilmaine | Ballinchalla | Ballinrobe |
| Barnabaun | 66 | Murrisk | Kilgeever | Westport |
| Barnaboy | 353 | Costello | Castlemore | Castlereagh |
| Barnacahoge | 1,316 | Costello | Kilbeagh | Swineford |
| Barnacuillew | 243 | Erris | Kilcommon | Belmullet |
| Barnaderg | 1,131 | Murrisk | Oughaval | Westport |
| Barnagreggaun | 480 | Clanmorris | Mayo | Claremorris |
| Barnagurry | 572 | Costello | Aghamore | Swineford |
| Barnahesker | 217 | Costello | Aghamore | Swineford |
| Barnakillew | 134 | Carra | Ballintober | Castlebar |
| Barnalyra | 796 | Costello | Kilbeagh | Swineford |
| Barnastang | 300 | Carra | Islandeady | Westport |
| Barney | 193 | Carra | Breaghwy | Castlebar |
| Barnhill Lower | 139 | Tirawley | Lackan | Killala |
| Barnhill Upper | 373 | Tirawley | Lackan | Killala |
| Barnycarroll | 253 | Clanmorris | Kilcolman | Claremorris |
| Barrack North | 12 | Erris | Kilmore | Belmullet |
| Barrack South | 174 | Erris | Kilmore | Belmullet |
| Barrackhill | 106 | Burrishoole | Burrishoole | Newport |
| Barrackland | 144 | Carra | Manulla | Castlebar |
| Barraglanna | 1,267 | Murrisk | Oughaval | Westport |
| Barranagh East | 266 | Erris | Kilmore | Belmullet |
| Barranagh Island | 63 | Erris | Kilmore | Belmullet |
| Barranagh West | 95 | Erris | Kilmore | Belmullet |
| Barranarran Lower | 63 | Tirawley | Kilfian | Killala |
| Barranarran Upper | 168 | Tirawley | Kilfian | Killala |
| Barreel | 238 | Clanmorris | Tagheen | Claremorris |
| Barrettsplot East | 118 | Erris | Kilmore | Belmullet |
| Barrettsplot West | 54 | Erris | Kilmore | Belmullet |
| Barroe | 774 | Costello | Kilbeagh | Swineford |
| Barroe | 135 | Tirawley | Lackan | Killala |
| Barroosky | 1,951 | Erris | Kilcommon | Belmullet |
| Bartragh Island | 316 | Tirawley | Killala | Killala |
| Bartrauve | 600 | Erris | Kilmore | Belmullet |
| Baunoges | 245 | Carra | Ballintober | Castlebar |
| Baunrosmore | 9 | Tirawley | Killala | Killala |
| Bawn | 109 | Kilmaine | Ballinrobe | Ballinrobe |
| Beetle Island North | 2 | Burrishoole | Burrishoole | Newport |
| Beetle Island South | 1 | Burrishoole | Burrishoole | Newport |
| Behy | 292 | Tirawley | Crossmolina | Ballina |
| Behy | 2,561 | Tirawley | Doonfeeny | Killala |
| Behybaun | 103 | Tirawley | Ballynahaglish | Ballina |
| Bekan | 632 | Costello | Bekan | Claremorris |
| Belclare | 131 | Murrisk | Oughaval | Westport |
| Belderg Beg | 757 | Tirawley | Doonfeeny | Killala |
| Belderg More | 2,750 | Tirawley | Doonfeeny | Killala |
| Belesker | 153 | Costello | Bekan | Claremorris |
| Belfarsad | 695 | Burrishoole | Achill | Newport |
| Belgarrow | 578 | Gallen | Toomore | Swineford |
| Bellaburke | 500 | Carra | Ballintober | Castlebar |
| Bellacorick | 800 | Erris | Kilcommon | Belmullet |
| Belladaff | 138 | Clanmorris | Tagheen | Claremorris |
| Belladooan | 433 | Tirawley | Kilfian | Killala |
| Bellagarvaun | 1,543 | Erris | Kilcommon | Newport |
| Bellagelly North | 2,528 | Erris | Kilcommon | Belmullet |
| Bellagelly South | 3,409 | Erris | Kilcommon | Belmullet |
| Bellakip | 1,015 | Murrisk | Kilgeever | Westport |
| Bellanaboy | 1,050 | Erris | Kilcommon | Belmullet |
| Bellanabriscaun | 58 | Kilmaine | Kilmainebeg | Ballinrobe |
| Bellanacurra | 93 | Gallen | Killasser | Swineford |
| Bellanaloob | 499 | Kilmaine | Robeen | Ballinrobe |
| Bellanasally | 833 | Burrishoole | Achill | Newport |
| Bellanierin | 183 | Carra | Turlough | Castlebar |
| Bellanumera | 119 | Erris | Kilcommon | Belmullet |
| Bellasallagh | 155 | Tirawley | Rathreagh | Killala |
| Bellass | 370 | Tirawley | Ballynahaglish | Ballina |
| Bellataleen | 438 | Murrisk | Oughaval | Westport |
| Bellavanum | 181 | Murrisk | Kilgeever | Westport |
| Bellavary | Town | Gallen | Kildacommoge | Castlebar |
| Bellavary | 660 | Gallen | Kildacommoge | Castlebar |
| Bellaveel | 66 | Costello | Annagh | Claremorris |
| Bellaveeny | 3,649 | Erris | Kilcommon | Newport |
| Belleek | 210 | Tirawley | Kilmoremoy | Ballina |
| Bellfield | 73 | Clanmorris | Kilcolman | Claremorris |
| Belmullet | Town | Erris | Kilcommon | Belmullet |
| Belmullet | 319 | Erris | Kilcommon | Belmullet |
| Beltra | 1,989 | Carra | Islandeady | Castlebar |
| Beltra | 215 | Tirawley | Kilcummin | Killala |
| Beltra | 22 | Tirawley | Lackan | Killala |
| Bengeery | 221 | Tirawley | Crossmolina | Ballina |
| Billoos | 370 | Tirawley | Lackan | Killala |
| Binghamstown | Town | Erris | Kilmore | Belmullet |
| Binghamstown | 715 | Erris | Kilmore | Belmullet |
| Birchfield | 112 | Clanmorris | Kilcolman | Claremorris |
| Bird Island | 1 | Carra | Ballintober | Castlebar |
| Black Island | 1 | Kilmaine | Ballinchalla | Ballinrobe |
| Black Rock | 3 | Murrisk | Inishbofin | Clifden |
| Black Rock | 3 | Erris | Kilmore | Belmullet |
| Blackpatch | 154 | Gallen | Killasser | Swineford |
| Bleachyard | 87 | Burrishoole | Burrishoole | Newport |
| Bleanmore Island | 34 | Erris | Kilcommon | Newport |
| Blessingtown | 81 | Kilmaine | Kilmainemore | Ballinrobe |
| Bloomfield | 821 | Kilmaine | Robeen | Ballinrobe |
| Bockagh | 448 | Costello | Kilcolman | Castlereagh |
| Bocullin | 118 | Burrishoole | Kilmeena | Westport |
| Bofara | 132 | Murrisk | Aghagower | Westport |
| Bofeenaun | 659 | Tirawley | Addergoole | Castlebar |
| Boggy | 678 | Tirawley | Addergoole | Castlebar |
| Boghadoon | 1,197 | Tirawley | Addergoole | Castlebar |
| Boghtaduff | 931 | Costello | Castlemore | Castlereagh |
| Bohalas | 494 | Costello | Castlemore | Castlereagh |
| Bohamore | 328 | Gallen | Bohola | Swineford |
| Bohaun | 226 | Costello | Knock | Claremorris |
| Bohaun North | 845 | Carra | Ballintober | Ballinrobe |
| Bohaun South | 728 | Carra | Ballintober | Ballinrobe |
| Boheh | 424 | Murrisk | Aghagower | Westport |
| Boheh | 360 | Murrisk | Oughaval | Westport |
| Bohehs | 109 | Carra | Islandeady | Westport |
| Boherduff | 51 | Clanmorris | Kilcolman | Claremorris |
| Boherhallagh | 641 | Gallen | Toomore | Swineford |
| Bohoge | 243 | Carra | Manulla | Castlebar |
| Bohogerawer | 161 | Costello | Bekan | Claremorris |
| Bohola | 565 | Gallen | Bohola | Swineford |
| Boleyard | 425 | Gallen | Kildacommoge | Castlebar |
| Boleybeg | 432 | Clanmorris | Tagheen | Claremorris |
| Boleyboy | 136 | Costello | Aghamore | Swineford |
| Boleyboy | 64 | Gallen | Killasser | Swineford |
| Boleyboy | 549 | Clanmorris | Kilvine | Claremorris |
| Boleybrian | 176 | Murrisk | Aghagower | Westport |
| Boleyglass | 384 | Tirawley | Addergoole | Castlebar |
| Boleymeelagh | 186 | Kilmaine | Kilcommon | Ballinrobe |
| Boleysillagh | 516 | Costello | Kilcolman | Castlereagh |
| Bolinglanna | 2,930 | Burrishoole | Achill | Newport |
| Bolinree | 116 | Clanmorris | Kilcolman | Claremorris |
| Bonniamillish Island | 3 | Carra | Ballyovey | Ballinrobe |
| Bothaul | 332 | Gallen | Meelick | Swineford |
| Botinny | 527 | Costello | Kilbeagh | Swineford |
| Boyd\'s Islands | 3 | Carra | Aglish | Castlebar |
| Boyhollagh | 1,085 | Gallen | Attymass | Ballina |
| Boyogonnell | 112 | Carra | Turlough | Castlebar |
| Bracklagh | 1,773 | Tirawley | Addergoole | Castlebar |
| Bracklagh | 140 | Murrisk | Aghagower | Westport |
| Bracklagh | 487 | Costello | Bekan | Claremorris |
| Bracklagh | 190 | Costello | Kilbeagh | Swineford |
| Bracklaghboy | 263 | Costello | Bekan | Claremorris |
| Brackloon | 334 | Murrisk | Aghagower | Westport |
| Brackloon | 567 | Gallen | Kilconduff | Swineford |
| Brackloon | 128 | Kilmaine | Kilmainemore | Ballinrobe |
| Brackloon | 146 | Kilmaine | Shrule | Ballinrobe |
| Brackloon East | 127 | Costello | Bekan | Claremorris |
| Brackloon North | 488 | Costello | Bekan | Claremorris |
| Brackloon South | 307 | Costello | Bekan | Claremorris |
| Brackloon West | 495 | Costello | Bekan | Claremorris |
| Brackloonagh | 69 | Tirawley | Ardagh | Ballina |
| Brackloonagh North | 187 | Costello | Kilbeagh | Swineford |
| Brackloonagh South | 207 | Costello | Kilbeagh | Swineford |
| Brackwanshagh | 355 | Tirawley | Kilbelfad | Ballina |
| Branraduff | 229 | Clanmorris | Crossboyne | Claremorris |
| Breaghwy | 52 | Carra | Breaghwy | Castlebar |
| Breaghwyanteean | 411 | Tirawley | Kilfian | Killala |
| Breaghwyanurlaur | 331 | Tirawley | Kilfian | Killala |
| Breandrum | 62 | Gallen | Kildacommoge | Castlebar |
| Breandrum (or Windsor) | 215 | Carra | Breaghwy | Castlebar |
| Breastagh | 271 | Tirawley | Templemurry | Killala |
| Brees | 242 | Clanmorris | Mayo | Castlebar |
| Brickeens | 368 | Costello | Bekan | Claremorris |
| Briska | 3,636 | Erris | Kilcommon | Belmullet |
| Brittas | 149 | Kilmaine | Kilcommon | Ballinrobe |
| Broadlands (or Knockafarson) | 230 | Tirawley | Ballysakeery | Ballina |
| Brockagh | 183 | Burrishoole | Kilmaclasser | Westport |
| Brodullagh North | 249 | Kilmaine | Shrule | Ballinrobe |
| Brodullagh South | 502 | Kilmaine | Shrule | Ballinrobe |
| Brogher | 245 | Costello | Kilcolman | Castlereagh |
| Brookhill | 101 | Clanmorris | Crossboyne | Claremorris |
| Brownespark | 19 | Gallen | Killedan | Swineford |
| Brownhall Demesne | 604 | Clanmorris | Mayo | Castlebar |
| Brownsisland | 547 | Kilmaine | Kilmainemore | Ballinrobe |
| Brownstown (or Donnageaga) | 343 | Kilmaine | Robeen | Ballinrobe |
| Bruff | 131 | Costello | Aghamore | Swineford |
| Buckfield | 238 | Burrishoole | Kilmeena | Westport |
| Buckwaria | 119 | Murrisk | Aghagower | Westport |
| Bulcaun | 173 | Costello | Kilbeagh | Swineford |
| Bullaun | 54 | Kilmaine | Moorgagagh | Ballinrobe |
| Bullaunmeneen | 273 | Burrishoole | Aghagower | Westport |
| Bunacrower | 151 | Kilmaine | Kilmainemore | Ballinrobe |
| Bunacurry | 1,226 | Burrishoole | Achill | Newport |
| Bunalty | 954 | Erris | Kilcommon | Belmullet |
| Bunaneraghtish | 337 | Tirawley | Ardagh | Ballina |
| Bunanioo | 1,809 | Burrishoole | Achill | Newport |
| Bunavaunish | 186 | Kilmaine | Ballinchalla | Ballinrobe |
| Bunaveela | 1,112 | Tirawley | Crossmolina | Ballina |
| Bunawillin | 271 | Erris | Kilcommon | Belmullet |
| Buncam East | 103 | Carra | Ballyhean | Castlebar |
| Buncam North | 64 | Carra | Ballyhean | Castlebar |
| Buncam West | 109 | Carra | Ballyhean | Castlebar |
| Bundeeleen | 231 | Tirawley | Crossmolina | Ballina |
| Bundorragha | Town | Murrisk | Kilgeever | Westport |
| Bundorragha | 767 | Murrisk | Kilgeever | Westport |
| Bunduff | 180 | Costello | Annagh | Claremorris |
| Bunduvowen | 554 | Carra | Turlough | Castlebar |
| Bunmore East | 1,899 | Erris | Kilcommon | Newport |
| Bunmore West | 2,215 | Erris | Kilcommon | Newport |
| Bunnadober | 160 | Kilmaine | Ballinchalla | Ballinrobe |
| Bunnadober | 231 | Costello | Bekan | Claremorris |
| Bunnafinglas | 316 | Gallen | Attymass | Ballina |
| Bunnafollistran | 936 | Kilmaine | Shrule | Ballinrobe |
| Bunnahowen | 448 | Erris | Kilcommon | Belmullet |
| Bunnahowna | 859 | Burrishoole | Burrishoole | Newport |
| Bunnamohaun | 889 | Murrisk | Kilgeever | Westport |
| Bunnyconnellan East | 2,212 | Gallen | Kilgarvan | Ballina |
| Bunnyconnellan West | 507 | Gallen | Kilgarvan | Ballina |
| Bunowen | 171 | Murrisk | Kilgeever | Westport |
| Bunrawer | 271 | Burrishoole | Aghagower | Westport |
| Burnafaunia | 73 | Carra | Drum | Castlebar |
| Burnt Island | 7 | Tirawley | Kilbelfad | Ballina |
| Burren | 1,875 | Carra | Aglish | Castlebar |
| Burren | 188 | Carra | Touaghty | Ballinrobe |
| Burris | 29 | Clanmorris | Crossboyne | Claremorris |
| Burris | 345 | Clanmorris | Kilvine | Claremorris |
| Burris | 224 | Carra | Manulla | Castlebar |
| Burriscarra | 259 | Carra | Burriscarra | Ballinrobe |
| Bush Island | 1 | Tirawley | Addergoole | Castlebar |
| Bush Island | 1 | Kilmaine | Robeen | Ballinrobe |
| Bushfield | 193 | Kilmaine | Kilcommon | Ballinrobe |
| Cabintown | 193 | Tirawley | Kilbride | Killala |
| Cabragh | 255 | Tirawley | Crossmolina | Ballina |
| Cabragh | 168 | Gallen | Toomore | Swineford |
| Caffoley | 394 | Tirawley | Addergoole | Ballina |
| Caher | 564 | Costello | Aghamore | Swineford |
| Caher | 121 | Kilmaine | Ballinrobe | Ballinrobe |
| Caher | 181 | Kilmaine | Kilcommon | Ballinrobe |
| Caher | 417 | Murrisk | Kilgeever | Westport |
| Caher | 81 | Kilmaine | Kilmainemore | Ballinrobe |
| Caher Island | 128 | Murrisk | Kilgeever | Westport |
| Caheravoostia | 351 | Kilmaine | Kilcommon | Ballinrobe |
| Cahercroobeen | 64 | Kilmaine | Ballinrobe | Ballinrobe |
| Caherduff | 376 | Kilmaine | Cong | Ballinrobe |
| Caheredmond | 156 | Kilmaine | Ballinrobe | Ballinrobe |
| Cahergal | 75 | Burrishoole | Burrishoole | Newport |
| Caherhemush | 134 | Kilmaine | Kilmolara | Ballinrobe |
| Caherloughlin | 252 | Kilmaine | Ballinchalla | Ballinrobe |
| Cahermaculick | 459 | Kilmaine | Moorgagagh | Ballinrobe |
| Cahernablauhy | 151 | Kilmaine | Ballinrobe | Ballinrobe |
| Cahernabrock | 612 | Kilmaine | Shrule | Ballinrobe |
| Cahernabudogy | 67 | Kilmaine | Ballinrobe | Ballinrobe |
| Cahernacreevy | 87 | Kilmaine | Ballinrobe | Ballinrobe |
| Cahernagollum | 180 | Kilmaine | Ballinchalla | Ballinrobe |
| Cahernagry East | 76 | Kilmaine | Kilmolara | Ballinrobe |
| Cahernagry West | 199 | Kilmaine | Kilmolara | Ballinrobe |
| Cahernamallaght | 249 | Kilmaine | Ballinrobe | Ballinrobe |
| Cahernamart | 162 | Murrisk | Oughaval | Westport |
| Cahernaran Island | 4 | Murrisk | Oughaval | Westport |
| Cahernichole East | 133 | Kilmaine | Ballinchalla | Ballinrobe |
| Cahernichole West | 73 | Kilmaine | Ballinchalla | Ballinrobe |
| Caherrevagh and Cloonameeltoge | 623 | Kilmaine | Kilmainemore | Ballinrobe |
| Caherrobert | 191 | Kilmaine | Ballinchalla | Ballinrobe |
| Caherwiclaun | 326 | Kilmaine | Kilmainemore | Ballinrobe |
| Caldragh | 170 | Costello | Knock | Claremorris |
| Calf Island | 8 | Burrishoole | Kilmeena | Westport |
| Calla | 28 | Murrisk | Kilgeever | Westport |
| Callacoon | 529 | Murrisk | Kilgeever | Westport |
| Calliaghadoo | 449 | Tirawley | Moygawnagh | Killala |
| Callow | 1,242 | Gallen | Killasser | Swineford |
| Callowbrack | 624 | Burrishoole | Burrishoole | Newport |
| Caltragh | 109 | Clanmorris | Crossboyne | Claremorris |
| Calveagh Lower | 221 | Costello | Kilbeagh | Castlereagh |
| Calveagh Upper | 162 | Costello | Kilbeagh | Castlereagh |
| Camcloon Beg | 135 | Burrishoole | Burrishoole | Newport |
| Camcloon More | 83 | Burrishoole | Burrishoole | Newport |
| Camderrynabinnia | 222 | Gallen | Killedan | Swineford |
| Camillaun | 1 | Kilmaine | Cong | Ballinrobe |
| Camillaun (or Holy Island) | 4 | Kilmaine | Cong | Ballinrobe |
| Canbrack | 264 | Gallen | Killedan | Swineford |
| Capnagower | 214 | Murrisk | Kilgeever | Westport |
| Cappacharnaun | 292 | Carra | Ballintober | Castlebar |
| Cappacurry | 315 | Kilmaine | Ballinrobe | Ballinrobe |
| Cappagh | 315 | Costello | Aghamore | Swineford |
| Cappagh | 284 | Carra | Aglish | Castlebar |
| Cappagh North | 116 | Clanmorris | Tagheen | Claremorris |
| Cappagh South | 124 | Clanmorris | Tagheen | Claremorris |
| Cappaghduff East | 458 | Carra | Ballyovey | Ballinrobe |
| Cappaghduff West | 514 | Carra | Ballyovey | Ballinrobe |
| Cappanaglogh | 119 | Tirawley | Kilbelfad | Ballina |
| Capparanny | 248 | Carra | Turlough | Castlebar |
| Cappavicar North | 171 | Carra | Turlough | Castlebar |
| Cappavicar South | 174 | Carra | Turlough | Castlebar |
| Cappulcorragh | 545 | Costello | Kilbeagh | Swineford |
| Caraun | 359 | Clanmorris | Kilcolman | Claremorris |
| Caraun (or Ballyhenry) | 168 | Kilmaine | Kilmainebeg | Ballinrobe |
| Carbad Beg | 72 | Tirawley | Templemurry | Killala |
| Carbad More | 321 | Tirawley | Templemurry | Killala |
| Carha | 508 | Carra | Islandeady | Westport |
| Carha | 835 | Gallen | Kilgarvan | Ballina |
| Carheen | 186 | Carra | Ballyovey | Ballinrobe |
| Carheenbrack | 635 | Burrishoole | Burrishoole | Newport |
| Carheens | 108 | Carra | Breaghwy | Castlebar |
| Carheens | 252 | Kilmaine | Cong | Ballinrobe |
| Carn | 212 | Kilmaine | Ballinchalla | Ballinrobe |
| Carn | 94 | Kilmaine | Ballinrobe | Ballinrobe |
| Carn | 505 | Carra | Ballintober | Castlebar |
| Carn | 128 | Carra | Breaghwy | Castlebar |
| Carn | 158 | Costello | Kilbeagh | Swineford |
| Carn | 367 | Gallen | Kilconduff | Swineford |
| Carn | 620 | Tirawley | Lackan | Killala |
| Carn | 239 | Tirawley | Moygawnagh | Killala |
| Carn (Fowler) | 675 | Erris | Kilmore | Belmullet |
| Carn (Nash) | 640 | Erris | Kilmore | Belmullet |
| Carn Beg | 164 | Costello | Aghamore | Swineford |
| Carn More | 196 | Costello | Aghamore | Swineford |
| Carnclogh | 330 | Tirawley | Moygawnagh | Killala |
| Carnhill | 597 | Erris | Kilcommon | Belmullet |
| Carrick | 196 | Gallen | Attymass | Ballina |
| Carrick | 421 | Gallen | Killedan | Swineford |
| Carrick Hill | 107 | Carra | Breaghwy | Castlebar |
| Carrickacat | 196 | Costello | Annagh | Claremorris |
| Carrickanass | 216 | Tirawley | Lackan | Killala |
| Carrickaneady | 247 | Burrishoole | Burrishoole | Newport |
| Carrickavea | 1 | Murrisk | Kilgeever | Westport |
| Carrickbarrett | 206 | Tirawley | Addergoole | Castlebar |
| Carrickboorla | 1 | Murrisk | Kilgeever | Westport |
| Carrickheelia | 1 | Murrisk | Inishbofin | Clifden |
| Carrickkildavnet | 184 | Burrishoole | Achill | Newport |
| Carrickmacantire | 232 | Costello | Annagh | Claremorris |
| Carrickmacantire | 232 | Costello | Annagh | Claremorris |
| Carrigeen Middle | 1 | Kilmaine | Ballinchalla | Ballinrobe |
| Carrigeenagur | 1 | Kilmaine | Ballinchalla | Ballinrobe |
| Carrigeendavoe | 3 | Kilmaine | Ballinchalla | Ballinrobe |
| Carrigeenglass North | 3 | Burrishoole | Kilmeena | Westport |
| Carrigeenglass South | 1 | Burrishoole | Kilmeena | Westport |
| Carrigeennakeelagh | 12 | Kilmaine | Cong | Ballinrobe |
| Carrigskeewaun | 142 | Murrisk | Kilgeever | Westport |
| Carrow Beg | 144 | Costello | Annagh | Claremorris |
| Carrow More | 166 | Costello | Annagh | Claremorris |
| Carrowaneeragh | 191 | Carra | Ballyovey | Ballinrobe |
| Carroward | 448 | Gallen | Bohola | Swineford |
| Carrowbaun | 231 | Costello | Aghamore | Swineford |
| Carrowbaun | 60 | Burrishoole | Burrishoole | Newport |
| Carrowbaun | 321 | Gallen | Meelick | Swineford |
| Carrowbaun | 491 | Murrisk | Oughaval | Westport |
| Carrowbeg | 308 | Burrishoole | Islandeady | Westport |
| Carrowbeg | 107 | Clanmorris | Crossboyne | Claremorris |
| Carrowbeg | 626 | Clanmorris | Kilcolman | Claremorris |
| Carrowbeg | 101 | Gallen | Kilconduff | Swineford |
| Carrowbeg | 197 | Gallen | Killasser | Swineford |
| Carrowbeg | 137 | Burrishoole | Kilmeena | Westport |
| Carrowbeg | 1,104 | Costello | Kilmovee | Swineford |
| Carrowbeg | 118 | Murrisk | Oughaval | Westport |
| Carrowbeg (fergus) | 49 | Burrishoole | Burrishoole | Newport |
| Carrowbeg East | 137 | Clanmorris | Crossboyne | Claremorris |
| Carrowbeg North | 138 | Burrishoole | Burrishoole | Newport |
| Carrowbeg South | 112 | Burrishoole | Burrishoole | Newport |
| Carrowbeg West | 41 | Clanmorris | Crossboyne | Claremorris |
| Carrowbrack | 96 | Kilmaine | Mayo | Ballinrobe |
| Carrowbrinoge | 365 | Carra | Aglish | Castlebar |
| Carrowcally | 109 | Burrishoole | Kilmeena | Westport |
| Carrowcanada | 497 | Gallen | Kilconduff | Swineford |
| Carrowcastle | 294 | Gallen | Bohola | Castlebar |
| Carrowcastle | 810 | Gallen | Kilgarvan | Ballina |
| Carrowclaggan | 94 | Murrisk | Kilgeever | Westport |
| Carrowcloghagh | 162 | Tirawley | Crossmolina | Ballina |
| Carrowclogher | 334 | Carra | Ballyhean | Castlebar |
| Carrowconeen | 72 | Gallen | Kilgarvan | Ballina |
| Carrowconnell | 104 | Gallen | Kildacommoge | Castlebar |
| Carrowconor | 213 | Clanmorris | Crossboyne | Claremorris |
| Carrowcor | 362 | Tirawley | Kilbride | Killala |
| Carrowcor | 124 | Costello | Knock | Claremorris |
| Carrowcrin | 227 | Tirawley | Ardagh | Ballina |
| Carrowcrom | 477 | Gallen | Kilgarvan | Ballina |
| Carrowcuilleen | 899 | Tirawley | Lackan | Killala |
| Carrowdoogan | 498 | Gallen | Attymass | Ballina |
| Carroweeny | 408 | Gallen | Killasser | Swineford |
| Carrowgallda | 463 | Gallen | Templemore | Swineford |
| Carrowgarve | 206 | Burrishoole | Achill | Newport |
| Carrowgarve | 201 | Clanmorris | Balla | Castlebar |
| Carrowgarve | 214 | Tirawley | Kilbelfad | Ballina |
| Carrowgarve North | 315 | Tirawley | Crossmolina | Ballina |
| Carrowgarve South | 676 | Tirawley | Crossmolina | Ballina |
| Carrowgowan | 168 | Gallen | Bohola | Castlebar |
| Carrowhall | 152 | Carra | Rosslee | Ballinrobe |
| Carrowhawny | 118 | Costello | Annagh | Claremorris |
| Carrowjames | 176 | Carra | Drum | Castlebar |
| Carrowkeel | 386 | Tirawley | Addergoole | Castlebar |
| Carrowkeel | 54 | Burrishoole | Aghagower | Westport |
| Carrowkeel | 185 | Gallen | Bohola | Swineford |
| Carrowkeel | 141 | Carra | Burriscarra | Castlebar |
| Carrowkeel | 87 | Burrishoole | Burrishoole | Newport |
| Carrowkeel | 285 | Tirawley | Crossmolina | Ballina |
| Carrowkeel | 455 | Erris | Kilcommon | Belmullet |
| Carrowkeel | 281 | Kilmaine | Kilmolara | Ballinrobe |
| Carrowkeel | 137 | Carra | Manulla | Castlebar |
| Carrowkeel | 109 | Murrisk | Oughaval | Westport |
| Carrowkeel | 184 | Tirawley | Rathreagh | Killala |
| Carrowkeel | 146 | Clanmorris | Tagheen | Claremorris |
| Carrowkeel | 173 | Carra | Turlough | Castlebar |
| Carrowkeel East | 206 | Costello | Annagh | Claremorris |
| Carrowkeel North | 426 | Kilmaine | Kilcommon | Ballinrobe |
| Carrowkeel South | 100 | Kilmaine | Kilcommon | Ballinrobe |
| Carrowkeel West | 164 | Costello | Annagh | Claremorris |
| Carrowkeeran | 86 | Murrisk | Oughaval | Westport |
| Carrowkelly | 305 | Tirawley | Ballysakeery | Ballina |
| Carrowkennedy | 381 | Murrisk | Aghagower | Westport |
| Carrowkeribly | 1,737 | Gallen | Attymass | Ballina |
| Carrowkibbock Lower | 177 | Tirawley | Doonfeeny | Killala |
| Carrowkibbock Upper | 333 | Tirawley | Doonfeeny | Killala |
| Carrowkilleen | 800 | Tirawley | Crossmolina | Ballina |
| Carrowkilleen | 129 | Clanmorris | Kilcolman | Claremorris |
| Carrowkilleen | 295 | Kilmaine | Robeen | Ballinrobe |
| Carrowleagh | 3,143 | Gallen | Kilgarvan | Ballina |
| Carrowlena | 84 | Clanmorris | Crossboyne | Claremorris |
| Carrowliam Beg | 311 | Gallen | Killasser | Swineford |
| Carrowliam More | 330 | Gallen | Killasser | Swineford |
| Carrowlisdooaun | 211 | Carra | Touaghty | Ballinrobe |
| Carrowmacloughlin | 600 | Murrisk | Oughaval | Westport |
| Carrowmacloughlin | 242 | Carra | Turlough | Castlebar |
| Carrowmacshane | 306 | Tirawley | Lackan | Killala |
| Carrowmarley | 171 | Clanmorris | Crossboyne | Claremorris |
| Carrowmoney | 285 | Carra | Ballyovey | Ballinrobe |
| Carrowmore | Town | Kilmaine | Kilmainemore | Ballinrobe |
| Carrowmore | 467 | Murrisk | Aghagower | Westport |
| Carrowmore | 134 | Kilmaine | Ballinrobe | Ballinrobe |
| Carrowmore | 263 | Gallen | Bohola | Swineford |
| Carrowmore | 193 | Burrishoole | Burrishoole | Newport |
| Carrowmore | 163 | Clanmorris | Crossboyne | Claremorris |
| Carrowmore | 358 | Tirawley | Kilbelfad | Ballina |
| Carrowmore | 432 | Tirawley | Kilbride | Killala |
| Carrowmore | 322 | Kilmaine | Kilcommon | Ballinrobe |
| Carrowmore | 1,356 | Erris | Kilcommon | Belmullet |
| Carrowmore | 688 | Murrisk | Kilgeever | Westport |
| Carrowmore | 349 | Gallen | Killasser | Swineford |
| Carrowmore | 445 | Kilmaine | Kilmainemore | Ballinrobe |
| Carrowmore | 308 | Kilmaine | Kilmainemore | Ballinrobe |
| Carrowmore | 613 | Costello | Knock | Claremorris |
| Carrowmore | 478 | Tirawley | Lackan | Killala |
| Carrowmore | 239 | Carra | Manulla | Castlebar |
| Carrowmore | 89 | Kilmaine | Moorgagagh | Ballinrobe |
| Carrowmore | 144 | Clanmorris | Tagheen | Claremorris |
| Carrowmore North | 275 | Carra | Drum | Castlebar |
| Carrowmore South | 46 | Carra | Drum | Castlebar |
| Carrowmore West | 261 | Costello | Annagh | Claremorris |
| Carrowmoremoy | 331 | Gallen | Killasser | Swineford |
| Carrownaclea | 308 | Burrishoole | Islandeady | Westport |
| Carrownacon | 264 | Carra | Burriscarra | Ballinrobe |
| Carrownacross | 110 | Gallen | Kildacommoge | Castlebar |
| Carrownacross | 115 | Gallen | Meelick | Swineford |
| Carrownaculla | 347 | Gallen | Kilconduff | Swineford |
| Carrownageeragh | 33 | Gallen | Killasser | Swineford |
| Carrownageeragh | 269 | Gallen | Killedan | Swineford |
| Carrownaglogh | 2,294 | Erris | Kilcommon | Belmullet |
| Carrownaglogh | 3,515 | Gallen | Kilgarvan | Ballina |
| Carrownagreggaun | 200 | Carra | Burriscarra | Ballinrobe |
| Carrownagurraun | 50 | Kilmaine | Kilmolara | Ballinrobe |
| Carrownahaltore | 34 | Carra | Touaghty | Ballinrobe |
| Carrownahaun | 531 | Clanmorris | Balla | Castlebar |
| Carrownakilly | 57 | Kilmaine | Kilmolara | Ballinrobe |
| Carrownalecka | 278 | Kilmaine | Ballinrobe | Ballinrobe |
| Carrownaltore | 138 | Carra | Aglish | Castlebar |
| Carrownalurgan | 267 | Murrisk | Oughaval | Westport |
| Carrownamallaght | 334 | Costello | Knock | Claremorris |
| Carrownaraha | 468 | Gallen | Templemore | Castlebar |
| Carrownaskeha | 118 | Clanmorris | Kilcolman | Claremorris |
| Carrowncurry | 152 | Carra | Aglish | Castlebar |
| Carrowndangan | 543 | Gallen | Killedan | Swineford |
| Carrowneden | 572 | Costello | Aghamore | Swineford |
| Carrowneden | 416 | Costello | Annagh | Claremorris |
| Carrowneden | 216 | Tirawley | Kilbride | Killala |
| Carrowneden | 555 | Gallen | Killasser | Swineford |
| Carrownisky | 400 | Tirawley | Doonfeeny | Killala |
| Carrownisky | 979 | Murrisk | Kilgeever | Westport |
| Carrownlabaun | 731 | Gallen | Kilgarvan | Ballina |
| Carrownlacka | 720 | Costello | Kilmovee | Swineford |
| Carrownlough | 363 | Clanmorris | Crossboyne | Claremorris |
| Carrownluggaun | 45 | Costello | Bekan | Claremorris |
| Carrownskehaun | 241 | Clanmorris | Crossboyne | Claremorris |
| Carrownteeaun | 314 | Gallen | Killedan | Swineford |
| Carrowntleva | 383 | Gallen | Bohola | Swineford |
| Carrowntober | 235 | Costello | Kilbeagh | Swineford |
| Carrowntober Eighter | 93 | Carra | Manulla | Castlebar |
| Carrowntober Oughter | 100 | Carra | Manulla | Castlebar |
| Carrowntreila | 426 | Tirawley | Ballynahaglish | Ballina |
| Carrownturly | 163 | Kilmaine | Kilmainebeg | Ballinrobe |
| Carrownurlaur | 151 | Carra | Breaghwy | Castlebar |
| Carrowoughteragh | 234 | Kilmaine | Kilmainebeg | Ballinrobe |
| Carrowreagh | 86 | Kilmaine | Kilmainemore | Ballinrobe |
| Carrowreagh | 169 | Tirawley | Ballysakeery | Ballina |
| Carrowreagh | 304 | Costello | Bekan | Claremorris |
| Carrowreagh | 253 | Clanmorris | Kilcolman | Claremorris |
| Carrowreagh | 791 | Gallen | Kilgarvan | Ballina |
| Carrowreagh | 901 | Gallen | Killedan | Swineford |
| Carrowreagh | 203 | Gallen | Meelick | Swineford |
| Carrowreaghmony | 148 | Carra | Touaghty | Ballinrobe |
| Carrowrevagh | 907 | Murrisk | Aghagower | Westport |
| Carrowroger | 133 | Gallen | Kildacommoge | Castlebar |
| Carrowsallagh | 331 | Burrishoole | Burrishoole | Newport |
| Carrowscoltia | 146 | Costello | Aghamore | Swineford |
| Carrowskeheen | 419 | Tirawley | Addergoole | Castlebar |
| Carrowslattery | 184 | Kilmaine | Robeen | Ballinrobe |
| Carrowsteelagh | 273 | Tirawley | Kilcummin | Killala |
| Carrowsteelaun | 237 | Clanmorris | Crossboyne | Claremorris |
| Carrowsteige | 403 | Erris | Kilcommon | Belmullet |
| Carrowstootagh | 218 | Burrishoole | Islandeady | Westport |
| Carrowtrasna | 230 | Tirawley | Kilcummin | Killala |
| Carrowvaneen | 245 | Tirawley | Kilbelfad | Ballina |
| Cartoon | 212 | Tirawley | Killala | Killala |
| Cartoor | 132 | Murrisk | Oughaval | Westport |
| Cartron | 1,886 | Burrishoole | Achill | Newport |
| Cartron | 47 | Tirawley | Addergoole | Castlebar |
| Cartron | 279 | Costello | Aghamore | Swineford |
| Cartron | 87 | Costello | Annagh | Claremorris |
| Cartron | 125 | Gallen | Attymass | Ballina |
| Cartron | 129 | Kilmaine | Ballinrobe | Ballinrobe |
| Cartron | 460 | Costello | Kilbeagh | Swineford |
| Cartron | 126 | Clanmorris | Kilcolman | Claremorris |
| Cartron | 501 | Gallen | Killasser | Swineford |
| Cartron | 147 | Gallen | Killedan | Swineford |
| Cartron | 227 | Burrishoole | Kilmaclasser | Westport |
| Cartron | 76 | Erris | Kilmore | Belmullet |
| Cartron | 60 | Carra | Manulla | Castlebar |
| Cartron (French) | 50 | Kilmaine | Kilmainemore | Ballinrobe |
| Cartron (Kirwan) | 52 | Kilmaine | Kilmainemore | Ballinrobe |
| Cartron (Lindsay) | 129 | Kilmaine | Kilmainemore | Ballinrobe |
| Cartron North | 227 | Costello | Aghamore | Swineford |
| Cartronbower | 233 | Carra | Ballintober | Castlebar |
| Cartronduff | 194 | Burrishoole | Islandeady | Westport |
| Cartrongilbert | 88 | Tirawley | Crossmolina | Ballina |
| Cartrongilbert | 248 | Erris | Kilmore | Belmullet |
| Cartronmacmanus | 147 | Gallen | Killasser | Swineford |
| Cartronnacross | 202 | Clanmorris | Kilcolman | Claremorris |
| Cartronrathroe | 77 | Tirawley | Kilfian | Killala |
| Cartronstanton | 33 | Carra | Drum | Castlebar |
| Cashel | 1,687 | Burrishoole | Achill | Newport |
| Cashel | 305 | Carra | Islandeady | Castlebar |
| Cashel | 366 | Burrishoole | Islandeady | Westport |
| Cashel | 417 | Costello | Kilbeagh | Swineford |
| Cashel | 312 | Tirawley | Kilcummin | Killala |
| Cashel | 394 | Kilmaine | Robeen | Ballinrobe |
| Cashel | 589 | Gallen | Toomore | Swineford |
| Cashel Lower | 151 | Carra | Turlough | Castlebar |
| Cashel Upper | 244 | Carra | Turlough | Castlebar |
| Cashelard | 227 | Costello | Castlemore | Castlereagh |
| Cashelcolaun | 206 | Costello | Castlemore | Castlereagh |
| Cashelduff | 702 | Costello | Kilbeagh | Swineford |
| Cashellahenny | 242 | Costello | Kilmovee | Swineford |
| Cashels | 63 | Costello | Aghamore | Swineford |
| Casheltourly | 331 | Costello | Aghamore | Swineford |
| Cashlancran | 267 | Kilmaine | Kilmolara | Ballinrobe |
| Castle Island | 4 | Tirawley | Crossmolina | Ballina |
| Castleaffy | 131 | Burrishoole | Kilmeena | Westport |
| Castlebar | Town | Carra | Aglish | Castlebar |
| Castlebarnagh | 245 | Gallen | Kilconduff | Swineford |
| Castleburke | 207 | Carra | Ballintober | Castlebar |
| Castlecarra | 496 | Carra | Burriscarra | Ballinrobe |
| Castlecrunnoge | 159 | Gallen | Kilconduff | Swineford |
| Castlegar | 270 | Clanmorris | Kilcolman | Claremorris |
| Castlehill | 414 | Tirawley | Addergoole | Ballina |
| Castlehill | 349 | Tirawley | Crossmolina | Ballina |
| Castlehill | 1,188 | Erris | Kilcommon | Newport |
| Castlelackan Demesne | 292 | Tirawley | Lackan | Killala |
| Castlelucas | 58 | Carra | Rosslee | Castlebar |
| Castlemagarret North | 262 | Clanmorris | Crossboyne | Claremorris |
| Castlemagarretpark New | 507 | Clanmorris | Crossboyne | Claremorris |
| Castlemagarretpark Old | 170 | Clanmorris | Crossboyne | Claremorris |
| Castlemore (or Ballymaging) | 285 | Costello | Castlemore | Castlereagh |
| Castlenageeha | 169 | Tirawley | Kilcummin | Killala |
| Castlereagh | 309 | Clanmorris | Crossboyne | Claremorris |
| Castlereagh | 470 | Tirawley | Killala | Killala |
| Castleroyan | 514 | Gallen | Kilconduff | Swineford |
| Castlesheenaghan | 392 | Gallen | Meelick | Swineford |
| Castletown | 155 | Kilmaine | Ballinchalla | Ballinrobe |
| Castletown | 624 | Kilmaine | Cong | Ballinrobe |
| Castletown | 285 | Tirawley | Kilbride | Killala |
| Castletown | 372 | Tirawley | Lackan | Killala |
| Catfort | 165 | Carra | Drum | Castlebar |
| Caulicaun | 12 | Burrishoole | Burrishoole | Newport |
| Caurans Lower | 243 | Carra | Turlough | Castlebar |
| Caurans Upper (or Oughterard) | 119 | Carra | Turlough | Castlebar |
| Cavan | 247 | Kilmaine | Ballinrobe | Ballinrobe |
| Cavanquarter | 137 | Kilmaine | Ballinrobe | Ballinrobe |
| Cave | 155 | Costello | Bekan | Claremorris |
| Chain Island | 2 | Tirawley | Crossmolina | Ballina |
| Cherryfield | 70 | Costello | Bekan | Claremorris |
| Church Island | 7 | Carra | Ballintober | Castlebar |
| Churchfield | 403 | Costello | Knock | Claremorris |
| Churchfield | 30 | Murrisk | Oughaval | Westport |
| Churchpark | 62 | Costello | Annagh | Claremorris |
| Claddy | 1,038 | Murrisk | Aghagower | Westport |
| Claggan | 174 | Burrishoole | Achill | Newport |
| Claggan | 1,066 | Erris | Kilcommon | Newport |
| Claggan | 116 | Murrisk | Kilgeever | Westport |
| Claggan | 190 | Burrishoole | Kilmeena | Westport |
| Clagganmountain | 1,848 | Erris | Kilcommon | Newport |
| Claggarnagh East | 990 | Tirawley | Addergoole | Castlebar |
| Claggarnagh East | 309 | Burrishoole | Islandeady | Westport |
| Claggarnagh West | 963 | Tirawley | Addergoole | Castlebar |
| Claggarnagh West | 372 | Burrishoole | Islandeady | Westport |
| Clagnagh | 95 | Costello | Bekan | Claremorris |
| Clare | Town | Clanmorris | Kilcolman | Claremorris |
| Clare | 1,086 | Clanmorris | Kilcolman | Claremorris |
| Clareen | 177 | Kilmaine | Kilcommon | Ballinrobe |
| Claremount | 313 | Clanmorris | Kilcolman | Claremorris |
| Clashcame | 673 | Murrisk | Kilgeever | Westport |
| Classaghroe | 208 | Costello | Annagh | Claremorris |
| Clerhaun | 115 | Murrisk | Oughaval | Westport |
| Cliff Island | 4 | Tirawley | Kilbelfad | Ballina |
| Cloghadockan | 146 | Carra | Turlough | Castlebar |
| Cloghan | 65 | Murrisk | Oughaval | Westport |
| Cloghanlucas North | 266 | Carra | Rosslee | Castlebar |
| Cloghannageeragh | 283 | Carra | Rosslee | Castlebar |
| Cloghans | 239 | Tirawley | Kilbelfad | Ballina |
| Cloghans Beg | 227 | Kilmaine | Kilmainemore | Ballinrobe |
| Cloghans More | 165 | Kilmaine | Kilmainemore | Ballinrobe |
| Cloghboley | 154 | Carra | Kildacommoge | Castlebar |
| Cloghbrack Far | 1,042 | Tirawley | Addergoole | Castlebar |
| Cloghbrack Near | 798 | Tirawley | Addergoole | Castlebar |
| Clogher | 303 | Carra | Burriscarra | Castlebar |
| Clogher | 197 | Burrishoole | Islandeady | Westport |
| Clogher | 406 | Kilmaine | Kilcommon | Ballinrobe |
| Clogher | 395 | Erris | Kilmore | Belmullet |
| Clogher | 297 | Carra | Turlough | Castlebar |
| Clogher Beg | 126 | Clanmorris | Tagheen | Claremorris |
| Clogher More | 244 | Clanmorris | Tagheen | Claremorris |
| Clogherduff | 52 | Clanmorris | Tagheen | Claremorris |
| Clogherowan | 145 | Carra | Drum | Castlebar |
| Cloghmore | 168 | Burrishoole | Achill | Newport |
| Cloghmoyne | 706 | Kilmaine | Shrule | Ballinrobe |
| Cloghvoley | 492 | Costello | Aghamore | Swineford |
| Clonainra | 532 | Gallen | Killasser | Swineford |
| Cloonacannana | 329 | Gallen | Kilconduff | Swineford |
| Cloonacauna | 105 | Tirawley | Kilbelfad | Ballina |
| Cloonacurry | 194 | Costello | Bekan | Claremorris |
| Cloonagalloon | 155 | Gallen | Meelick | Swineford |
| Cloonagh | 169 | Murrisk | Aghagower | Westport |
| Cloonagh | 263 | Carra | Aglish | Castlebar |
| Cloonagh | 111 | Carra | Drum | Castlebar |
| Cloonagh | 301 | Clanmorris | Tagheen | Claremorris |
| Cloonagh Beg & Knockegan | 178 | Tirawley | Ardagh | Ballina |
| Cloonagh More | 384 | Tirawley | Ardagh | Ballina |
| Cloonaghboy | 295 | Gallen | Kilconduff | Swineford |
| Cloonaghduff | 161 | Carra | Drum | Castlebar |
| Cloonaghduff | 26 | Clanmorris | Kilcolman | Claremorris |
| Cloonaghmanagh | 56 | Murrisk | Kilgeever | Westport |
| Cloonaghmore | 176 | Carra | Ballyhean | Castlebar |
| Cloonaghmore | 143 | Carra | Breaghwy | Castlebar |
| Cloonaghmore | 137 | Tirawley | Moygawnagh | Killala |
| Cloonakillina | 279 | Costello | Kilturra | Swineford |
| Cloonalaghan | 235 | Tirawley | Lackan | Killala |
| Cloonaleedin | 56 | Tirawley | Kilfian | Killala |
| Cloonalison | 193 | Costello | Kilbeagh | Swineford |
| Cloonalough | 74 | Tirawley | Ballysakeery | Ballina |
| Cloonamore | 645 | Murrisk | Inishbofin | Clifden |
| Cloonan | 239 | Burrishoole | Islandeady | Westport |
| Cloonanaff | 297 | Kilmaine | Kilcommon | Ballinrobe |
| Cloonanass | 126 | Tirawley | Lackan | Killala |
| Cloonapisha | 129 | Tirawley | Ardagh | Ballina |
| Cloonark | 79 | Kilmaine | Ballinrobe | Ballinrobe |
| Cloonaverry | 75 | Tirawley | Templemurry | Killala |
| Cloonavullaun | 212 | Costello | Castlemore | Castlereagh |
| Cloonaweema | 225 | Costello | Kilbeagh | Swineford |
| Cloonawillin | 134 | Tirawley | Ballysakeery | Ballina |
| Cloonawillin | 173 | Tirawley | Crossmolina | Ballina |
| Cloonbanaun | 311 | Kilmaine | Shrule | Ballinrobe |
| Cloonbaul | 270 | Clanmorris | Mayo | Claremorris |
| Cloonbonniff | 507 | Clanmorris | Crossboyne | Claremorris |
| Cloonbookeighter | 244 | Costello | Bekan | Claremorris |
| Cloonbookoughter | 315 | Costello | Bekan | Claremorris |
| Cloonboorhy | 266 | Carra | Burriscarra | Castlebar |
| Cloonboy | 445 | Clanmorris | Kilcolman | Claremorris |
| Cloonboy | 180 | Tirawley | Templemurry | Killala |
| Cloonbrone | 51 | Tirawley | Ardagh | Ballina |
| Cloonbulban | 242 | Costello | Bekan | Claremorris |
| Cloonbullig | 115 | Costello | Annagh | Claremorris |
| Clooncah | 145 | Costello | Aghamore | Swineford |
| Clooncan | 286 | Kilmaine | Robeen | Ballinrobe |
| Clooncanavan | 117 | Burrishoole | Kilmaclasser | Westport |
| Clooncarha | 204 | Costello | Kilmovee | Swineford |
| Clooncarrabaun | 123 | Murrisk | Kilgeever | Westport |
| Clooncleevragh | 142 | Gallen | Killasser | Swineford |
| Cloonconlan | 464 | Gallen | Templemore | Castlebar |
| Cloonconneelaun | 188 | Kilmaine | Kilmainemore | Ballinrobe |
| Cloonconor | 36 | Clanmorris | Kilcolman | Claremorris |
| Cloonconra | 197 | Gallen | Templemore | Castlebar |
| Cloonconragh East | 147 | Carra | Ballyhean | Castlebar |
| Cloonconragh West | 281 | Carra | Ballyhean | Castlebar |
| Cloonconway | 83 | Tirawley | Rathreagh | Killala |
| Clooncormick | 731 | Kilmaine | Robeen | Ballinrobe |
| Clooncorraun | 256 | Kilmaine | Ballinrobe | Ballinrobe |
| Clooncous | 153 | Costello | Kilbeagh | Swineford |
| Clooncrooeel | 147 | Carra | Ballintober | Castlebar |
| Cloondace | 354 | Costello | Knock | Claremorris |
| Cloondacon | 247 | Burrishoole | Aghagower | Westport |
| Cloondaff | 2,130 | Tirawley | Addergoole | Castlebar |
| Cloondaver | 151 | Kilmaine | Robeen | Ballinrobe |
| Cloondeash | 261 | Carra | Ballyhean | Castlebar |
| Cloondinnaire | 185 | Clanmorris | Tagheen | Claremorris |
| Cloondoolough | 230 | Gallen | Killedan | Swineford |
| Cloondroon | 243 | Clanmorris | Kilcolman | Claremorris |
| Cloonean | 257 | Costello | Aghamore | Swineford |
| Cloonee | 459 | Kilmaine | Ballinrobe | Ballinrobe |
| Cloonee | 455 | Carra | Ballyovey | Ballinrobe |
| Clooneen | 259 | Kilmaine | Kilcommon | Ballinrobe |
| Clooneen | 169 | Burrishoole | Kilmeena | Westport |
| Clooneen | 328 | Erris | Kilmore | Belmullet |
| Clooneen | 381 | Gallen | Meelick | Swineford |
| Clooneen | 77 | Murrisk | Oughaval | Westport |
| Clooneencarra | 139 | Carra | Touaghty | Ballinrobe |
| Clooneenkillew | 174 | Carra | Touaghty | Ballinrobe |
| Clooneigh | 115 | Tirawley | Ardagh | Ballina |
| Cloonengh | 261 | Kilmaine | Ballinrobe | Ballinrobe |
| Cloonerneen | 441 | Kilmaine | Ballinrobe | Ballinrobe |
| Clooneshil | 221 | Burrishoole | Burrishoole | Newport |
| Cloonfadda | 202 | Tirawley | Ballysakeery | Ballina |
| Cloonfane | 265 | Costello | Kilbeagh | Swineford |
| Cloonfaughna | 160 | Costello | Knock | Claremorris |
| Cloonfaulus | 605 | Costello | Kilmovee | Swineford |
| Cloonfeaghra | 444 | Costello | Kilmovee | Swineford |
| Cloonfeightrim | 627 | Costello | Kilturra | Swineford |
| Cloonfert | 206 | Carra | Ballyhean | Castlebar |
| Cloonfinish | 353 | Gallen | Killasser | Swineford |
| Cloonfinnaun | 469 | Gallen | Kilconduff | Swineford |
| Cloonflyn | 298 | Carra | Rosslee | Castlebar |
| Cloonfoher | 283 | Burrishoole | Burrishoole | Newport |
| Cloongawnagh | 328 | Clanmorris | Kilcolman | Claremorris |
| Cloongawnagh | 328 | Clanmorris | Kilcolman | Claremorris |
| Cloongawnagh | 234 | Kilmaine | Kilmainemore | Ballinrobe |
| Cloongawnagh (Burke) | 838 | Costello | Aghamore | Swineford |
| Cloongawnagh (Cosgrave) | 586 | Costello | Aghamore | Swineford |
| Cloongee | 693 | Gallen | Templemore | Swineford |
| Cloonglasney | 188 | Tirawley | Ardagh | Ballina |
| Cloongowla | 617 | Kilmaine | Ballinrobe | Ballinrobe |
| Cloongullaun | 452 | Gallen | Kilconduff | Swineford |
| Cloonierin | 1,045 | Costello | Kilmovee | Swineford |
| Clooninshin | 144 | Gallen | Meelick | Swineford |
| Cloonkedagh | 110 | Gallen | Killedan | Swineford |
| Cloonkee | 469 | Tirawley | Kilfian | Ballina |
| Cloonkeeghan | 83 | Clanmorris | Tagheen | Claremorris |
| Cloonkeeghan Commons | 343 | Kilmaine | Kilmainemore | Ballinrobe |
| Cloonkeen | 560 | Carra | Aglish | Castlebar |
| Cloonkeen | 135 | Burrishoole | Kilmeena | Westport |
| Cloonkeen | 97 | Clanmorris | Tagheen | Claremorris |
| Cloonkelly | 104 | Tirawley | Crossmolina | Ballina |
| Cloonkerry | 400 | Kilmaine | Ballinrobe | Ballinrobe |
| Cloonkesh | 359 | Carra | Turlough | Castlebar |
| Cloonlagheen | 404 | Carra | Ballyovey | Ballinrobe |
| Cloonlara | 345 | Costello | Bekan | Claremorris |
| Cloonlara | 488 | Gallen | Kilconduff | Swineford |
| Cloonlarhan | 534 | Costello | Kilbeagh | Swineford |
| Cloonlaur | 84 | Murrisk | Kilgeever | Westport |
| Cloonlavis Lower | 268 | Clanmorris | Knock | Claremorris |
| Cloonlavis Upper | 166 | Clanmorris | Knock | Claremorris |
| Cloonlee | 463 | Costello | Knock | Claremorris |
| Cloonliffen | 185 | Kilmaine | Ballinrobe | Ballinrobe |
| Cloonlumney | 2,200 | Costello | Kilcolman | Castlereagh |
| Cloonlumney | 324 | Gallen | Kilconduff | Swineford |
| Cloonlynchaghaun | 106 | Carra | Drum | Castlebar |
| Cloonlyon | 229 | Costello | Kilbeagh | Swineford |
| Cloonmaan | 41 | Tirawley | Ballysakeery | Ballina |
| Cloonmeen | 183 | Costello | Kilcolman | Castlereagh |
| Cloonmeen East | 386 | Costello | Kilbeagh | Swineford |
| Cloonmeen West | 263 | Costello | Kilbeagh | Swineford |
| Cloonmonad | 159 | Murrisk | Oughaval | Westport |
| Cloonmore | 273 | Clanmorris | Crossboyne | Claremorris |
| Cloonmore | 161 | Costello | Kilbeagh | Swineford |
| Cloonmore Lower | 396 | Clanmorris | Kilcolman | Claremorris |
| Cloonmore Upper | 356 | Clanmorris | Kilcolman | Claremorris |
| Cloonmung | 382 | Gallen | Toomore | Swineford |
| Cloonnagashel | 486 | Kilmaine | Ballinrobe | Ballinrobe |
| Cloonnagleragh | 238 | Carra | Turlough | Castlebar |
| Cloonnagleragh | 313 | Costello | Knock | Claremorris |
| Cloonnagoppoge | 156 | Carra | Touaghty | Ballinrobe |
| Cloonnahulty | 195 | Costello | Aghamore | Swineford |
| Cloonnameeltoge & Caherrevagh | 623 | Kilmaine | Kilmainemore | Ballinrobe |
| Cloonnamna | 749 | Costello | Kilmovee | Swineford |
| Cloonooragh | 432 | Tirawley | Crossmolina | Ballina |
| Cloonshanbo | 181 | Clanmorris | Mayo | Claremorris |
| Cloonshinnagh | 174 | Tirawley | Ballysakeery | Ballina |
| Cloonshinnagh | 170 | Carra | Ballyhean | Castlebar |
| Cloonskeagh | 196 | Tirawley | Kilfian | Killala |
| Cloonskill | 333 | Murrisk | Aghagower | Westport |
| Cloonskirtaun | 43 | Tirawley | Killala | Killala |
| Cloonsnaghta | 131 | Tirawley | Moygawnagh | Killala |
| Cloonsunna | 60 | Carra | Ballyhean | Castlebar |
| Cloonta | 491 | Gallen | Kilgarvan | Ballina |
| Cloontakilla | 1,178 | Erris | Kilcommon | Belmullet |
| Cloontakillew | 56 | Tirawley | Kilfian | Killala |
| Cloontally | 131 | Tirawley | Kilbelfad | Ballina |
| Cloontarriff | 292 | Costello | Knock | Claremorris |
| Cloontarriff | 97 | Costello | Aghamore | Swineford |
| Cloontooa | 510 | Clanmorris | Kilcolman | Claremorris |
| Cloontubbrid | 579 | Gallen | Killasser | Swineford |
| Cloontubbrid | 411 | Carra | Turlough | Castlebar |
| Cloontumper | 626 | Costello | Annagh | Claremorris |
| Cloonturk | 323 | Costello | Aghamore | Swineford |
| Cloonturk | 164 | Tirawley | Ballynahaglish | Ballina |
| Cloonturnaun | 155 | Costello | Knock | Claremorris |
| Cloonty | 179 | Murrisk | Kilgeever | Westport |
| Cloontybaunan | 122 | Carra | Breaghwy | Castlebar |
| Cloontykillew | 238 | Tirawley | Kilmoremoy | Ballina |
| Cloonyarigaun | 202 | Tirawley | Kilbelfad | Ballina |
| Cloonycollaran | 101 | Clanmorris | Kilcolman | Claremorris |
| Cloonygowan | 208 | Gallen | Meelick | Swineford |
| Cloonygunnaun | 89 | Tirawley | Kilbelfad | Ballina |
| Cloonyvollow | 122 | Tirawley | Kilbelfad | Ballina |
| Clossaghroe | 313 | Tirawley | Ballynahaglish | Ballina |
| Cloyrawer | 177 | Tirawley | Kilfian | Killala |
| Cluddaun | 1,772 | Tirawley | Kilfian | Killala |
| Clyard | 179 | Kilmaine | Kilmainemore | Ballinrobe |
| Clydagh | 1,667 | Tirawley | Kilfian | Killala |
| Clylea (or Greyfield) | 92 | Kilmaine | Kilmainemore | Ballinrobe |
| Clynish | 80 | Burrishoole | Kilmeena | Westport |
| Coarse Island | 4 | Tirawley | Addergoole | Castlebar |
| Coarsefield | 204 | Clanmorris | Tagheen | Claremorris |
| Coarsepark | 87 | Carra | Aglish | Castlebar |
| Cogaula | 400 | Burrishoole | Islandeady | Westport |
| Cogaula | 477 | Carra | Ballintober | Castlebar |
| Colladussaun | 163 | Tirawley | Kilbelfad | Ballina |
| Collagh | 299 | Gallen | Meelick | Swineford |
| Collan Beg | 16 | Burrishoole | Kilmeena | Westport |
| Collan More | 196 | Burrishoole | Kilmeena | Westport |
| Cominch | 353 | Tirawley | Crossmolina | Ballina |
| Commauns | 515 | Carra | Turlough | Castlebar |
| Commons | 11 | Clanmorris | Crossboyne | Claremorris |
| Commons | 37 | Tirawley | Kilmoremoy | Ballina |
| Commons | 4 | Kilmaine | Shrule | Ballinrobe |
| Conaghra | 461 | Tirawley | Doonfeeny | Killala |
| Conaghra | 204 | Tirawley | Lackan | Killala |
| Cong | Town | Kilmaine | Cong | Ballinrobe |
| Cong North | 12 | Kilmaine | Cong | Ballinrobe |
| Cong South | 9 | Kilmaine | Cong | Ballinrobe |
| Conloon | 280 | Carra | Turlough | Castlebar |
| Conor\'s Island | 15 | Carra | Burriscarra | Ballinrobe |
| Conrea | 40 | Burrishoole | Kilmeena | Westport |
| Coogue Middle | 282 | Costello | Aghamore | Claremorris |
| Coogue North | 329 | Costello | Aghamore | Claremorris |
| Coogue South | 333 | Costello | Aghamore | Claremorris |
| Cool Lodge | 107 | Carra | Ballyhean | Castlebar |
| Coolaghbaun | 112 | Clanmorris | Mayo | Claremorris |
| Coolaghbaun | 132 | Kilmaine | Kilcommon | Ballinrobe |
| Coolaght | 448 | Clanmorris | Kilcolman | Claremorris |
| Coolaghtane | 118 | Costello | Kilcolman | Castlereagh |
| Coolavally | 242 | Kilmaine | Cong | Ballinrobe |
| Coolbarreen | 212 | Burrishoole | Kilmeena | Westport |
| Coolcashla | 193 | Gallen | Killasser | Swineford |
| Coolcon | 284 | Kilmaine | Kilcommon | Claremorris |
| Coolcran | 190 | Tirawley | Kilmoremoy | Ballina |
| Coolcran | 36 | Tirawley | Ballysakeery | Ballina |
| Coolcran | 227 | Tirawley | Kilbelfad | Ballina |
| Coolcronaun | 557 | Tirawley | Ballynahaglish | Ballina |
| Cooleen | 129 | Kilmaine | Kilmainemore | Ballinrobe |
| Cooley | 74 | Carra | Ballyhean | Castlebar |
| Coollagagh | 720 | Gallen | Killasser | Swineford |
| Coollena | 104 | Costello | Kilcolman | Castlereagh |
| Coollisduff | 390 | Kilmaine | Kilmolara | Ballinrobe |
| Coollisduff | 101 | Kilmaine | Kilmainemore | Ballinrobe |
| Coolloughra | 232 | Costello | Bekan | Claremorris |
| Coolloughra | 56 | Burrishoole | Aghagower | Westport |
| Coolmakean | 231 | Clanmorris | Crossboyne | Claremorris |
| Coolnabinna | 1,356 | Tirawley | Crossmolina | Ballina |
| Coolnafarna | 378 | Costello | Annagh | Claremorris |
| Coolnaha North | 484 | Costello | Aghamore | Swineford |
| Coolnaha South | 631 | Costello | Aghamore | Swineford |
| Coolroe | 198 | Clanmorris | Crossboyne | Claremorris |
| Coolturk | 1,261 | Tirawley | Crossmolina | Ballina |
| Coolylaughnan | 345 | Kilmaine | Robeen | Ballinrobe |
| Coonealcauraun | 706 | Tirawley | Ballysakeery | Ballina |
| Coonealmore | 368 | Tirawley | Ballysakeery | Ballina |
| Cooslughoga | 39 | Kilmaine | Cong | Ballinrobe |
| Corbally | 198 | Clanmorris | Kilcolman | Claremorris |
| Corclogh | 343 | Erris | Kilcommon | Belmullet |
| Corclogh | 1,050 | Erris | Kilmore | Belmullet |
| Corcullin | 493 | Tirawley | Crossmolina | Ballina |
| Cordarragh | 379 | Gallen | Killedan | Swineford |
| Cordarragh North | 448 | Murrisk | Aghagower | Westport |
| Cordarragh South | 1,086 | Murrisk | Aghagower | Westport |
| Cordroon | 225 | Kilmaine | Cong | Ballinrobe |
| Corgarriff | 481 | Costello | Kilmovee | Swineford |
| Corgarve | 69 | Kilmaine | Cong | Ballinrobe |
| Corhawnagh | 189 | Costello | Aghamore | Swineford |
| Corlee | 476 | Gallen | Killasser | Swineford |
| Corlisland | 4 | Clanmorris | Mayo | Claremorris |
| Corlummin | 454 | Tirawley | Ballynahaglish | Ballina |
| Cornabavoley | 68 | Carra | Rosslee | Castlebar |
| Cornacarta | 183 | Costello | Annagh | Claremorris |
| Cornacartan | 299 | Kilmaine | Kilmainebeg | Ballinrobe |
| Cornagashlaun | 475 | Burrishoole | Islandeady | Westport |
| Cornageahta | 84 | Costello | Aghamore | Swineford |
| Cornageeha | 215 | Gallen | Killasser | Swineford |
| Cornalassan | 185 | Kilmaine | Robeen | Ballinrobe |
| Cornamarrow | 264 | Carra | Ballyhean | Castlebar |
| Cornamonaster | 178 | Carra | Rosslee | Castlebar |
| Cornanaff | 65 | Gallen | Kildacommoge | Castlebar |
| Cornanagh | 342 | Kilmaine | Robeen | Ballinrobe |
| Cornanool | 132 | Carra | Islandeady | Castlebar |
| Cornaroya | 361 | Kilmaine | Ballinrobe | Ballinrobe |
| Cornaveagh | 200 | Carra | Ballyhean | Castlebar |
| Cornaveagh | 124 | Gallen | Kilconduff | Swineford |
| Cornehan | 2 | Kilmaine | Shrule | Ballinrobe |
| Cornfield | 594 | Kilmaine | Robeen | Ballinrobe |
| Corrabaun | 163 | Carra | Drum | Castlebar |
| Corracrow | 538 | Kilmaine | Kilcommon | Ballinrobe |
| Corradrish | 89 | Carra | Aglish | Castlebar |
| Corradrishy | 818 | Gallen | Attymass | Ballina |
| Corragaun | 91 | Burrishoole | Burrishoole | Newport |
| Corragaun | 184 | Murrisk | Kilgeever | Westport |
| Corragooly | 244 | Gallen | Killedan | Swineford |
| Corrahoor | 198 | Costello | Kilbeagh | Swineford |
| Corratanvally | 224 | Carra | Breaghwy | Castlebar |
| Corratowick | 187 | Burrishoole | Kilmeena | Westport |
| Corraun | 136 | Kilmaine | Kilmainemore | Ballinrobe |
| Corraun | 441 | Gallen | Kildacommoge | Castlebar |
| Corraun | 573 | Costello | Annagh | Claremorris |
| Corraunboy | 76 | Burrishoole | Burrishoole | Newport |
| Corravegaun East | 140 | Tirawley | Ballynahaglish | Ballina |
| Corravegaun West | 274 | Tirawley | Ballynahaglish | Ballina |
| Corravokeen | 809 | Tirawley | Moygawnagh | Killala |
| Correens | 95 | Tirawley | Moygawnagh | Killala |
| Corrower | 864 | Gallen | Attymass | Ballina |
| Corroy | 187 | Tirawley | Ballynahaglish | Ballina |
| Corryaughany | 364 | Murrisk | Kilgeever | Westport |
| Corrydavit | 493 | Murrisk | Kilgeever | Westport |
| Corrymailley | 353 | Murrisk | Kilgeever | Westport |
| Corskeagh | 83 | Clanmorris | Mayo | Claremorris |
| Corveagh Lower | 299 | Murrisk | Aghagower | Westport |
| Corveagh Upper | 988 | Murrisk | Aghagower | Westport |
| Corvickremon | 71 | Carra | Rosslee | Castlebar |
| Corvoderry | 3,001 | Tirawley | Moygawnagh | Killala |
| Corvoley | 810 | Tirawley | Moygawnagh | Killala |
| Cossallagh | 204 | Costello | Annagh | Claremorris |
| Cottage | 214 | Carra | Breaghwy | Castlebar |
| Cottage | 241 | Costello | Annagh | Claremorris |
| Cow Island | 11 | Kilmaine | Cong | Ballinrobe |
| Cragagh | 86 | Costello | Kilbeagh | Swineford |
| Craggagh | 693 | Gallen | Killedan | Swineford |
| Craggera | 32 | Gallen | Kilgarvan | Ballina |
| Craggy | 172 | Murrisk | Kilgeever | Westport |
| Cranareen | 73 | Burrishoole | Kilmeena | Westport |
| Cranmore | 97 | Carra | Ballintober | Castlebar |
| Cranmore | 149 | Costello | Kilbeagh | Swineford |
| Crannagh | 233 | Tirawley | Ardagh | Ballina |
| Crantahar | 119 | Clanmorris | Kilcolman | Claremorris |
| Creagh Demesne | 599 | Kilmaine | Ballinrobe | Ballinrobe |
| Creaghanboy | 155 | Carra | Manulla | Castlebar |
| Creeragh | 141 | Carra | Ballyhean | Castlebar |
| Creevagh | 414 | Carra | Ballintober | Castlebar |
| Creevagh | 651 | Tirawley | Kilcummin | Killala |
| Creevagh Beg | 255 | Tirawley | Rathreagh | Killala |
| Creevagh Middle | 251 | Kilmaine | Cong | Ballinrobe |
| Creevagh More | 461 | Tirawley | Rathreagh | Killala |
| Creevagh North | 247 | Kilmaine | Kilmolara | Ballinrobe |
| Creevagh North | 283 | Kilmaine | Cong | Ballinrobe |
| Creevagh South | 404 | Kilmaine | Kilmolara | Ballinrobe |
| Creevagh South | 414 | Kilmaine | Cong | Ballinrobe |
| Creevaghaun | 39 | Burrishoole | Burrishoole | Newport |
| Creevard | 222 | Clanmorris | Kilvine | Claremorris |
| Creevaroddaun | 195 | Kilmaine | Kilmainemore | Ballinrobe |
| Creeve Island | 1 | Tirawley | Kilbelfad | Ballina |
| Creeveeshel | 188 | Clanmorris | Kilvine | Claremorris |
| Creevy | 476 | Tirawley | Crossmolina | Ballina |
| Cregaree | 217 | Kilmaine | Cong | Ballinrobe |
| Cregduff | 277 | Kilmaine | Ballinrobe | Ballinrobe |
| Cregduff | 188 | Kilmaine | Kilcommon | Ballinrobe |
| Cregduff | 248 | Kilmaine | Kilmainemore | Ballinrobe |
| Cregg | 178 | Carra | Manulla | Castlebar |
| Creggaballagh | 255 | Gallen | Killasser | Swineford |
| Creggagh | 475 | Gallen | Toomore | Swineford |
| Creggan | 682 | Costello | Kilcolman | Castlereagh |
| Cregganawoddy | 462 | Murrisk | Kilgeever | Westport |
| Cregganbaun | 368 | Murrisk | Kilgeever | Westport |
| Cregganbeg | 631 | Tirawley | Doonfeeny | Killala |
| Cregganbell | 295 | Carra | Ballyhean | Castlebar |
| Cregganbrack | 341 | Costello | Knock | Claremorris |
| Cregganmore | 1,274 | Erris | Kilcommon | Belmullet |
| Creggannagappul | 71 | Murrisk | Kilgeever | Westport |
| Creggannaseer | 18 | Burrishoole | Aghagower | Westport |
| Creggannavar | 91 | Carra | Breaghwy | Castlebar |
| Cregganroe | 710 | Murrisk | Kilgeever | Westport |
| Creggarve | 342 | Kilmaine | Robeen | Ballinrobe |
| Creggaun | 181 | Tirawley | Ballynahaglish | Ballina |
| Creggaun | 187 | Clanmorris | Mayo | Claremorris |
| Creggaun | 382 | Gallen | Killasser | Swineford |
| Creggaunnahorna | 88 | Burrishoole | Kilmeena | Westport |
| Creggawatta | 128 | Kilmaine | Kilcommon | Ballinrobe |
| Cregmore (Browne) | 174 | Kilmaine | Kilmainemore | Ballinrobe |
| Cregmore (Lynch) | 124 | Kilmaine | Kilmainemore | Ballinrobe |
| Cregnafyla | 161 | Gallen | Toomore | Swineford |
| Cregnanagh | 38 | Kilmaine | Kilmainebeg | Ballinrobe |
| Cregnanagh | 131 | Kilmaine | Moorgagagh | Ballinrobe |
| Crillaun | 963 | Carra | Turlough | Castlebar |
| Crinnish | 459 | Erris | Kilcommon | Belmullet |
| Croaghaun | 1,828 | Erris | Kilcommon | Belmullet |
| Croaghaun East | 1,552 | Tirawley | Moygawnagh | Killala |
| Croaghaun West | 1,409 | Tirawley | Moygawnagh | Killala |
| Croaghrimbeg | 875 | Carra | Ballintober | Ballinrobe |
| Croaghrimcarra | 1,147 | Carra | Ballintober | Ballinrobe |
| Crockaunrannell | 233 | Costello | Knock | Claremorris |
| Crocknacally | 1,099 | Tirawley | Kilfian | Killala |
| Croftonpark | 476 | Tirawley | Kilmoremoy | Ballina |
| Croghan | 180 | Tirawley | Killala | Killala |
| Cross | 188 | Burrishoole | Kilmeena | Westport |
| Cross | 295 | Murrisk | Kilgeever | Westport |
| Cross (Boyd) | 285 | Erris | Kilmore | Belmullet |
| Cross Common | 150 | Erris | Kilmore | Belmullet |
| Cross East | 465 | Kilmaine | Cong | Ballinrobe |
| Cross East (or Wallace East) | 191 | Erris | Kilmore | Belmullet |
| Cross North | 16 | Costello | Kilcolman | Castlereagh |
| Cross South | 264 | Costello | Kilcolman | Castlereagh |
| Cross West | 308 | Kilmaine | Cong | Ballinrobe |
| Cross West (or Wallace West) | 224 | Erris | Kilmore | Belmullet |
| Crossard | 569 | Costello | Aghamore | Swineford |
| Crossbeg | 299 | Costello | Aghamore | Swineford |
| Crossboyne | 112 | Clanmorris | Crossboyne | Claremorris |
| Crossmolina | 126 | Tirawley | Crossmolina | Ballina |
| Crosspatrick | 166 | Tirawley | Killala | Killala |
| Crott | 218 | Tirawley | Kilbride | Killala |
| Crott Mountain | 1,329 | Murrisk | Oughaval | Westport |
| Crovinish | 28 | Burrishoole | Kilmeena | Westport |
| Crowhill | 32 | Burrishoole | Aghagower | Westport |
| Crumlin | 439 | Clanmorris | Kilvine | Claremorris |
| Crumlin | 869 | Carra | Turlough | Castlebar |
| Crunaun | 446 | Costello | Castlemore | Castlereagh |
| Cuilbeg | 133 | Costello | Bekan | Claremorris |
| Cuildoo | 489 | Gallen | Killasser | Swineford |
| Cuilgar | 48 | Gallen | Killedan | Swineford |
| Cuilkillew | 677 | Tirawley | Addergoole | Castlebar |
| Cuillalea | 708 | Gallen | Killedan | Swineford |
| Cuillaloughaun | 1,432 | Burrishoole | Achill | Newport |
| Cuillare | 95 | Carra | Drum | Castlebar |
| Cuillatinny | 158 | Costello | Knock | Claremorris |
| Cuillaun | 659 | Gallen | Kilconduff | Swineford |
| Cuillaun | 813 | Clanmorris | Kilvine | Claremorris |
| Cuillaun | 224 | Kilmaine | Robeen | Ballinrobe |
| Cuilleen | 885 | Murrisk | Oughaval | Westport |
| Cuillonaghtan | 1,144 | Gallen | Killasser | Swineford |
| Cuilmore | 402 | Burrishoole | Burrishoole | Newport |
| Cuilmore | 765 | Murrisk | Oughaval | Westport |
| Cuilmore | 983 | Gallen | Kilconduff | Swineford |
| Cuilmore | 999 | Clanmorris | Kilcolman | Claremorris |
| Cuilmullagh | 1,107 | Tirawley | Addergoole | Castlebar |
| Cuiltrasna | 267 | Gallen | Killedan | Swineford |
| Cuiltrean | 227 | Burrishoole | Kilmaclasser | Westport |
| Cuiltybo | 670 | Clanmorris | Kilcolman | Claremorris |
| Cuiltybo | 298 | Gallen | Kilconduff | Swineford |
| Cuiltycreaghan | 407 | Costello | Bekan | Claremorris |
| Cuing Beg | 337 | Tirawley | Kilbelfad | Ballina |
| Cuing More | 189 | Tirawley | Kilbelfad | Ballina |
| Cullagh | 107 | Kilmaine | Shrule | Ballinrobe |
| Culleens | 530 | Tirawley | Kilmoremoy | Ballina |
| Cullentragh | 152 | Clanmorris | Mayo | Claremorris |
| Cullentragh | 540 | Carra | Ballintober | Castlebar |
| Cullentragh | 106 | Burrishoole | Burrishoole | Newport |
| Cullentragh | 260 | Costello | Bekan | Claremorris |
| Culliagh | 581 | Costello | Kilmovee | Swineford |
| Cullin | 505 | Gallen | Killasser | Swineford |
| Culnacleha | 395 | Costello | Annagh | Claremorris |
| Cum | 297 | Tirawley | Addergoole | Castlebar |
| Cummer | 414 | Carra | Islandeady | Westport |
| Cummer | 353 | Costello | Aghamore | Swineford |
| Cunlaghfadda | 330 | Clanmorris | Tagheen | Claremorris |
| Cunnagher North | 682 | Carra | Turlough | Castlebar |
| Cunnagher South | 229 | Carra | Turlough | Castlebar |
| Cunnaker | 97 | Carra | Ballyhean | Castlebar |
| Curneen | 290 | Clanmorris | Kilcolman | Claremorris |
| Curraboy | 689 | Kilmaine | Robeen | Ballinrobe |
| Curraboy (Knox) | 237 | Kilmaine | Ballinrobe | Ballinrobe |
| Curraboy (or Kilmaine) | 117 | Kilmaine | Ballinrobe | Ballinrobe |
| Curragh | 114 | Carra | Aglish | Castlebar |
| Curragh | 220 | Tirawley | Ballynahaglish | Ballina |
| Curraghaderry | 65 | Clanmorris | Tagheen | Claremorris |
| Curraghadooey | 721 | Clanmorris | Crossboyne | Claremorris |
| Curraghbaun | 37 | Kilmaine | Kilmainebeg | Ballinrobe |
| Curraghboy | 141 | Erris | Kilmore | Belmullet |
| Curraghlahan | 282 | Costello | Knock | Claremorris |
| Curraghmore | 1,068 | Tirawley | Addergoole | Castlebar |
| Curraghmore | 160 | Carra | Drum | Castlebar |
| Curraghteemore | 193 | Costello | Knock | Claremorris |
| Curramore | 200 | Kilmaine | Ballinrobe | Ballinrobe |
| Curranny | 85 | Carra | Drum | Castlebar |
| Currantawy | 59 | Clanmorris | Tagheen | Claremorris |
| Curraun Boy | 2,755 | Erris | Kilcommon | Belmullet |
| Curries | 306 | Costello | Annagh | Claremorris |
| Currinah | 456 | Costello | Kilbeagh | Castlereagh |
| Curry | 115 | Carra | Drum | Castlebar |
| Curry | 236 | Carra | Breaghwy | Castlebar |
| Curry (Kirwan) | 558 | Kilmaine | Mayo | Ballinrobe |
| Curry (MacManus) | 167 | Kilmaine | Mayo | Ballinrobe |
| Curry (MacManus) | 202 | Clanmorris | Mayo | Ballinrobe |
| Curryaun | 588 | Gallen | Kilconduff | Swineford |
| Currycallaun | 123 | Carra | Drum | Castlebar |
| Cushalogurt | 158 | Burrishoole | Kilmeena | Westport |
| Cushinkeel | 217 | Burrishoole | Aghagower | Westport |
| Cushinsheeaun | 280 | Burrishoole | Aghagower | Westport |
| Cushinyen | 247 | Murrisk | Kilgeever | Westport |
| Cushlecka | 587 | Burrishoole | Burrishoole | Newport |
| Cuslough Demesne | 278 | Kilmaine | Ballinrobe | Ballinrobe |
| Dadreen | 861 | Murrisk | Kilgeever | Westport |
| Dalgan Demesne | 916 | Kilmaine | Shrule | Ballinrobe |
| Dalteen | 399 | Clanmorris | Kilcolman | Claremorris |
| Danganmore | 389 | Gallen | Kildacommoge | Castlebar |
| Darhanagh | 124 | Gallen | Killasser | Swineford |
| Darraragh | 320 | Erris | Kilcommon | Belmullet |
| Davillaun | 60 | Murrisk | Inishbofin | Clifden |
| Davros | 663 | Kilmaine | Kilcommon | Ballinrobe |
| Deelcastle | 615 | Tirawley | Ardagh | Ballina |
| Deer Island | 1 | Carra | Burriscarra | Ballinrobe |
| Deerpark | 329 | Burrishoole | Aghagower | Westport |
| Deerpark | 211 | Carra | Burriscarra | Ballinrobe |
| Deerpark | 131 | Carra | Touaghty | Ballinrobe |
| Deerpark East | 169 | Murrisk | Oughaval | Westport |
| Deerpark Lower | 69 | Carra | Drum | Castlebar |
| Deerpark Upper | 106 | Carra | Drum | Castlebar |
| Deerpark West | 288 | Murrisk | Oughaval | Westport |
| Demesne | 182 | Carra | Breaghwy | Castlebar |
| Derradda | 193 | Burrishoole | Burrishoole | Newport |
| Derradda | 228 | Carra | Ballyovey | Ballinrobe |
| Derradda | 147 | Costello | Knock | Claremorris |
| Derragh | 156 | Costello | Kilmovee | Swineford |
| Derragh | 43 | Costello | Knock | Claremorris |
| Derrakillew | 563 | Murrisk | Aghagower | Westport |
| Derrartan | 160 | Burrishoole | Islandeady | Westport |
| Derrassa | 1,299 | Carra | Ballyovey | Ballinrobe |
| Derrassa Commons | 238 | Carra | Ballyovey | Ballinrobe |
| Derreen | 103 | Carra | Manulla | Castlebar |
| Derreen | 117 | Carra | Drum | Castlebar |
| Derreen | 641 | Tirawley | Crossmolina | Ballina |
| Derreen | 186 | Tirawley | Ardagh | Ballina |
| Derreen | 1,770 | Burrishoole | Achill | Newport |
| Derreenmanus | 257 | Carra | Aglish | Castlebar |
| Derreenmulroy | 45 | Carra | Ballyhean | Castlebar |
| Derreennanalbanagh | 264 | Murrisk | Kilgeever | Westport |
| Derreennascooba | 590 | Carra | Ballintober | Castlebar |
| Derreennawinshin | 391 | Murrisk | Kilgeever | Westport |
| Derreens | 260 | Carra | Turlough | Castlebar |
| Derreens | 537 | Erris | Kilcommon | Belmullet |
| Derreens | 246 | Tirawley | Ballysakeery | Ballina |
| Derreens | 178 | Costello | Annagh | Claremorris |
| Derreens Island | 16 | Erris | Kilcommon | Belmullet |
| Derreenyanimna | 281 | Gallen | Templemore | Castlebar |
| Derrew | 444 | Carra | Ballyovey | Ballinrobe |
| Derrew | 198 | Carra | Ballintober | Castlebar |
| Derrew Old | 138 | Carra | Ballintober | Castlebar |
| Derrindaffderg | 1,366 | Carra | Ballintober | Castlebar |
| Derrindaffderg Commons | 187 | Carra | Ballintober | Castlebar |
| Derrinish [Island] | 29 | Burrishoole | Kilmeena | Westport |
| Derrinkee | 2,211 | Murrisk | Aghagower | Westport |
| Derrinlevaun | 116 | Carra | Ballyhean | Castlebar |
| Derrintaggart | 154 | Burrishoole | Burrishoole | Newport |
| Derrintin | 1,995 | Murrisk | Aghagower | Westport |
| Derrintloura | 219 | Burrishoole | Islandeady | Westport |
| Derrintogher | 163 | Costello | Annagh | Claremorris |
| Derrinumera | 701 | Burrishoole | Kilmaclasser | Westport |
| Derrowel Beg | 63 | Clanmorris | Mayo | Castlebar |
| Derrowel More | 215 | Clanmorris | Mayo | Claremorris |
| Derry | 273 | Clanmorris | Knock | Claremorris |
| Derry | 109 | Kilmaine | Cong | Ballinrobe |
| Derry | 344 | Murrisk | Kilgeever | Westport |
| Derry | 162 | Clanmorris | Crossboyne | Claremorris |
| Derry Lower | 1,471 | Tirawley | Crossmolina | Ballina |
| Derry Upper | 1,725 | Tirawley | Crossmolina | Ballina |
| Derryadda | 86 | Carra | Ballyhean | Castlebar |
| Derryaun | 164 | Murrisk | Oughaval | Westport |
| Derrybrack | 73 | Costello | Aghamore | Swineford |
| Derrybrock | 1,309 | Burrishoole | Burrishoole | Newport |
| Derrycashel | 375 | Costello | Aghamore | Swineford |
| Derryclaha | 242 | Costello | Aghamore | Swineford |
| Derrycleetagh | 97 | Burrishoole | Burrishoole | Newport |
| Derrycontoort East | 183 | Burrishoole | Burrishoole | Newport |
| Derrycontoort West | 66 | Burrishoole | Burrishoole | Newport |
| Derrycooldrim | 519 | Burrishoole | Burrishoole | Newport |
| Derrycooraun | 341 | Burrishoole | Islandeady | Westport |
| Derrycoosh | 60 | Costello | Aghamore | Swineford |
| Derrycoosh | 224 | Carra | Aglish | Castlebar |
| Derrycoosh | 513 | Carra | Islandeady | Westport |
| Derrycorrib | 692 | Erris | Kilcommon | Belmullet |
| Derrycraff | 1,300 | Murrisk | Aghagower | Westport |
| Derrycreeve | 186 | Burrishoole | Islandeady | Westport |
| Derrydorneen | 226 | Costello | Kilbeagh | Swineford |
| Derrydorragh | 27 | Carra | Ballyhean | Castlebar |
| Derryfadda | 578 | Tirawley | Addergoole | Castlebar |
| Derryfadda Lower | 307 | Clanmorris | Tagheen | Claremorris |
| Derryfadda Upper | 256 | Clanmorris | Tagheen | Claremorris |
| Derrygarve | 265 | Burrishoole | Burrishoole | Newport |
| Derrygarve | 170 | Burrishoole | Aghagower | Westport |
| Derrygarve Beg | 304 | Murrisk | Kilgeever | Westport |
| Derrygarve East | 24 | Carra | Ballyhean | Castlebar |
| Derrygarve More | 304 | Murrisk | Kilgeever | Westport |
| Derrygarve West | 304 | Carra | Ballyhean | Castlebar |
| Derrygaury | 251 | Tirawley | Ballynahaglish | Ballina |
| Derrygay | 437 | Costello | Aghamore | Swineford |
| Derrygorman | 824 | Murrisk | Aghagower | Westport |
| Derrygowla | 81 | Burrishoole | Islandeady | Westport |
| Derrygullinaun | 160 | Tirawley | Kilbelfad | Ballina |
| Derryharriff North | 498 | Carra | Islandeady | Castlebar |
| Derryharriff South | 429 | Carra | Islandeady | Castlebar |
| Derryhawna | 349 | Murrisk | Oughaval | Westport |
| Derryheeagh | 512 | Murrisk | Kilgeever | Westport |
| Derryherbert | 1,059 | Murrisk | Aghagower | Westport |
| Derryhick | 211 | Carra | Turlough | Castlebar |
| Derryhillagh | 211 | Burrishoole | Burrishoole | Newport |
| Derryhillagh | 1,832 | Tirawley | Crossmolina | Ballina |
| Derryilra | 433 | Murrisk | Aghagower | Westport |
| Derrykill East | 251 | Burrishoole | Burrishoole | Newport |
| Derrykill West | 203 | Burrishoole | Burrishoole | Newport |
| Derrykinlough | 560 | Costello | Kilbeagh | Swineford |
| Derrykinlough | 504 | Gallen | Killedan | Swineford |
| Derrylahan | 278 | Costello | Bekan | Claremorris |
| Derrylahan | 267 | Carra | Turlough | Castlebar |
| Derrylahan | 100 | Murrisk | Kilgeever | Westport |
| Derrylea | 480 | Murrisk | Oughaval | Westport |
| Derrylea | 195 | Carra | Aglish | Castlebar |
| Derrylea | 118 | Burrishoole | Kilmeena | Westport |
| Derrylea | 172 | Costello | Annagh | Claremorris |
| Derryloughan Beg | 57 | Burrishoole | Burrishoole | Newport |
| Derryloughan East | 916 | Burrishoole | Burrishoole | Newport |
| Derryloughan More | 231 | Burrishoole | Burrishoole | Newport |
| Derryloughan North | 241 | Burrishoole | Burrishoole | Newport |
| Derryloughan South | 301 | Burrishoole | Burrishoole | Newport |
| Derrymannin | 173 | Tirawley | Ballynahaglish | Ballina |
| Derrymartin | 821 | Tirawley | Addergoole | Castlebar |
| Derrymore | 165 | Costello | Bekan | Claremorris |
| Derrymore | 216 | Carra | Ballyovey | Ballinrobe |
| Derrymore | 329 | Kilmaine | Kilcommon | Ballinrobe |
| Derrymore | 604 | Murrisk | Oughaval | Westport |
| Derrynabaunshy | 502 | Gallen | Attymass | Ballina |
| Derrynabrock | 1,478 | Costello | Kilbeagh | Swineford |
| Derrynacannana | 268 | Carra | Ballintober | Castlebar |
| Derrynacong | 332 | Costello | Annagh | Claremorris |
| Derrynacross | 68 | Carra | Turlough | Castlebar |
| Derrynacross | 98 | Costello | Kilcolman | Castlereagh |
| Derrynadivva | 889 | Carra | Aglish | Castlebar |
| Derrynagooley | 74 | Carra | Ballyhean | Castlebar |
| Derrynagower | 211 | Clanmorris | Mayo | Claremorris |
| Derrynagran | 178 | Tirawley | Ballynahaglish | Ballina |
| Derrynagur | 76 | Costello | Kilcolman | Castlereagh |
| Derrynaleck | 285 | Costello | Kilmovee | Swineford |
| Derrynameel | 488 | Erris | Kilcommon | Belmullet |
| Derrynamraher | 52 | Carra | Breaghwy | Castlebar |
| Derrynamuck | 276 | Tirawley | Ballynahaglish | Ballina |
| Derrynamuck | 254 | Costello | Annagh | Claremorris |
| Derrynamuck | 119 | Carra | Turlough | Castlebar |
| Derrynanaff | 59 | Burrishoole | Kilmeena | Westport |
| Derrynanaff | 112 | Costello | Kilbeagh | Castlereagh |
| Derrynaned | 79 | Costello | Aghamore | Swineford |
| Derrynaraw | 142 | Burrishoole | Kilmeena | Westport |
| Derrynarud | 24 | Costello | Aghamore | Swineford |
| Derrynashask | 36 | Carra | Ballyhean | Castlebar |
| Derrynaskeagh | 74 | Carra | Ballyhean | Castlebar |
| Derryool | 67 | Costello | Knock | Claremorris |
| Derryool | 111 | Carra | Ballyhean | Castlebar |
| Derryool | 156 | Costello | Aghamore | Swineford |
| Derryoran | 131 | Carra | Ballintober | Castlebar |
| Derryribbeen | 599 | Burrishoole | Kilmaclasser | Westport |
| Derryronan | 993 | Gallen | Kilconduff | Swineford |
| Derryveeny | 1,302 | Carra | Ballyovey | Ballinrobe |
| Derryvicneill | 161 | Gallen | Attymass | Ballina |
| Derryvohy | 280 | Gallen | Killedan | Swineford |
| Derryvulcaun | 421 | Carra | Turlough | Castlebar |
| Dervin | 281 | Tirawley | Addergoole | Ballina |
| Devenish Island | 7 | Kilmaine | Ballinrobe | Ballinrobe |
| Devleash | 125 | Gallen | Killedan | Swineford |
| Devleash East | 193 | Carra | Ballintober | Castlebar |
| Devleash West | 548 | Carra | Ballintober | Castlebar |
| Devlin | 100 | Clanmorris | Tagheen | Claremorris |
| Devlin North | 273 | Murrisk | Kilgeever | Westport |
| Devlin South | 267 | Murrisk | Kilgeever | Westport |
| Devlis | 133 | Costello | Bekan | Claremorris |
| Divish | 60 | Erris | Kilmore | Belmullet |
| Donnageaga (or Brownstown) | 343 | Kilmaine | Robeen | Ballinrobe |
| Doobehy | 1,254 | Tirawley | Moygawnagh | Killala |
| Doocastle (or Ballindoo) | 1,956 | Costello | Kilturra | Swineford |
| Dooega | 3,761 | Burrishoole | Achill | Newport |
| Doogary | 440 | Burrishoole | Burrishoole | Newport |
| Doogary | 126 | Carra | Breaghwy | Castlebar |
| Doogary | 439 | Costello | Aghamore | Swineford |
| Doogary | 74 | Costello | Kilcolman | Castlereagh |
| Doogary | 906 | Carra | Islandeady | Castlebar |
| Doogary | 100 | Costello | Castlemore | Castlereagh |
| Dooghbeg | 1,791 | Burrishoole | Burrishoole | Newport |
| Dooghill | 448 | Burrishoole | Burrishoole | Newport |
| Dooghmakeon | 1,213 | Murrisk | Kilgeever | Westport |
| Dooghtry | 274 | Murrisk | Kilgeever | Westport |
| Doogort | 226 | Burrishoole | Achill | Newport |
| Doogort East | 2,034 | Burrishoole | Achill | Newport |
| Doogort West | 1,659 | Burrishoole | Achill | Newport |
| Doohooma | 1,102 | Erris | Kilcommon | Belmullet |
| Dooinkelly (Calvey) | 1,935 | Burrishoole | Achill | Newport |
| Dooinkelly (Thulis) | 793 | Burrishoole | Achill | Newport |
| Dooleague | 249 | Burrishoole | Islandeady | Westport |
| Dooleeg Beg | 682 | Tirawley | Crossmolina | Ballina |
| Dooleeg More | 1,472 | Tirawley | Crossmolina | Ballina |
| Doolough | 2,499 | Erris | Kilcommon | Belmullet |
| Doon | 247 | Burrishoole | Aghagower | Westport |
| Doona | 1,212 | Erris | Kilcommon | Newport |
| Doonadoba | 661 | Tirawley | Kilcummin | Killala |
| Doonamona | 146 | Tirawley | Templemurry | Killala |
| Doonanaroo Lower | 283 | Tirawley | Kilfian | Killala |
| Doonanaroo Upper | 199 | Tirawley | Kilfian | Killala |
| Doonaroya | 737 | Tirawley | Addergoole | Castlebar |
| Doonbredia | 366 | Tirawley | Addergoole | Castlebar |
| Doonbredia Mountain | 278 | Tirawley | Addergoole | Castlebar |
| Doonbristy | 1 | Tirawley | Kilbride | Killala |
| Dooncarton (or Glengad) | 830 | Erris | Kilcommon | Belmullet |
| Dooncastle | 338 | Burrishoole | Aghagower | Westport |
| Dooneen | 2 | Murrisk | Kilgeever | Westport |
| Doonfeeny Lower | 51 | Tirawley | Doonfeeny | Killala |
| Doonfeeny Upper | 635 | Tirawley | Doonfeeny | Killala |
| Dooniver | 767 | Burrishoole | Achill | Newport |
| Doonmacreena | 138 | Clanmorris | Kilvine | Claremorris |
| Doonmaynor | 431 | Gallen | Killasser | Swineford |
| Doonnahinneena | 2 | Murrisk | Inishbofin | Clifden |
| Doonnamona | 76 | Carra | Drum | Castlebar |
| Doontrusk | 471 | Burrishoole | Burrishoole | Newport |
| Doonty | 356 | Gallen | Killasser | Swineford |
| Doonvinalla | 6 | Erris | Kilcommon | Belmullet |
| Doorath | 216 | Kilmaine | Kilmainemore | Ballinrobe |
| Dooreel | 1,177 | Erris | Kilcommon | Newport |
| Dooros | 76 | Clanmorris | Balla | Castlebar |
| Doovilra | 118 | Murrisk | Kilgeever | Westport |
| Dooyork | 1,164 | Erris | Kilcommon | Belmullet |
| Dorans Island | 5 | Kilmaine | Ballinchalla | Ballinrobe |
| Dorinishmore | 9 | Burrishoole | Kilmeena | Westport |
| Dorinshbeg | 5 | Burrishoole | Kilmeena | Westport |
| Dowagh East | 70 | Kilmaine | Cong | Ballinrobe |
| Dowagh West | 165 | Kilmaine | Cong | Ballinrobe |
| Drinaghan | 108 | Tirawley | Kilfian | Killala |
| Dringeen Eighter | 211 | Kilmaine | Cong | Ballinrobe |
| Dringeen Middle | 180 | Kilmaine | Cong | Ballinrobe |
| Dringeen Oughter | 329 | Kilmaine | Cong | Ballinrobe |
| Drishaghaun | 239 | Kilmaine | Mayo | Ballinrobe |
| Dromada (Duke) | 567 | Gallen | Killasser | Swineford |
| Dromada (Gore) | 287 | Gallen | Killasser | Swineford |
| Dromada (Joyce) | 165 | Gallen | Killasser | Swineford |
| Dromore | 236 | Carra | Ballintober | Castlebar |
| Drum | 75 | Costello | Bekan | Claremorris |
| Drum | 302 | Erris | Kilmore | Belmullet |
| Drum | 430 | Costello | Knock | Claremorris |
| Drum (or Knockatemple) | 208 | Carra | Drum | Castlebar |
| Drumacappul Island | 3 | Erris | Kilmore | Belmullet |
| Drumacoo | 621 | Costello | Kilcolman | Castlereagh |
| Drumaderry | 358 | Costello | Annagh | Claremorris |
| Drumadoon | 206 | Carra | Islandeady | Castlebar |
| Drumadoon | 209 | Clanmorris | Balla | Castlebar |
| Drumady | 517 | Clanmorris | Crossboyne | Claremorris |
| Drumagh | 177 | Gallen | Killasser | Swineford |
| Drumagh | 36 | Clanmorris | Kilcolman | Claremorris |
| Drumaleheen | 68 | Carra | Breaghwy | Castlebar |
| Drumalooaun | 160 | Gallen | Killasser | Swineford |
| Drumanaffrin | 1,194 | Erris | Kilcommon | Belmullet |
| Drumard | 146 | Burrishoole | Kilmeena | Westport |
| Drumask | 80 | Carra | Aglish | Castlebar |
| Drumbaun | 306 | Costello | Annagh | Claremorris |
| Drumbrastle East | 97 | Burrishoole | Burrishoole | Newport |
| Drumbrastle West | 89 | Burrishoole | Burrishoole | Newport |
| Drumcoggy Mountain | 875 | Carra | Ballyovey | Ballinrobe |
| Drumconlan | 92 | Carra | Aglish | Castlebar |
| Drumcorrabaun | 133 | Carra | Drum | Castlebar |
| Drumcorrabaun | 175 | Carra | Breaghwy | Castlebar |
| Drumdaff | 151 | Carra | Turlough | Castlebar |
| Drumdoogh | 156 | Carra | Breaghwy | Castlebar |
| Drumdrishaghaun | 149 | Carra | Drum | Castlebar |
| Drumelly | 256 | Kilmaine | Cong | Ballinrobe |
| Drumfurban | 46 | Burrishoole | Burrishoole | Newport |
| Drumgar | 146 | Burrishoole | Kilmaclasser | Westport |
| Drumgarve | 168 | Burrishoole | Kilmeena | Westport |
| Drumgollagh | 550 | Erris | Kilcommon | Newport |
| Drumgoney | 142 | Burrishoole | Kilmaclasser | Westport |
| Drumhuskert | 107 | Burrishoole | Kilmeena | Westport |
| Drumilra | 894 | Burrishoole | Kilmaclasser | Westport |
| Drumkeaghta | 96 | Carra | Ballyhean | Castlebar |
| Drumkeen | 178 | Clanmorris | Kilcolman | Claremorris |
| Drumlong | 68 | Burrishoole | Burrishoole | Newport |
| Drumloughra | 181 | Carra | Manulla | Castlebar |
| Drumloughra | 42 | Carra | Ballyhean | Castlebar |
| Drummannaglieve | 94 | Burrishoole | Burrishoole | Newport |
| Drummeennavaddoge | 50 | Carra | Drum | Castlebar |
| Drummin | 245 | Tirawley | Ballynahaglish | Ballina |
| Drummin East | 242 | Murrisk | Oughaval | Westport |
| Drummin East | 84 | Clanmorris | Crossboyne | Claremorris |
| Drummin North | 55 | Clanmorris | Crossboyne | Claremorris |
| Drummin South | 48 | Clanmorris | Crossboyne | Claremorris |
| Drummin West | 86 | Clanmorris | Crossboyne | Claremorris |
| Drummin West | 583 | Murrisk | Oughaval | Westport |
| Drumminabo | 287 | Burrishoole | Kilmeena | Westport |
| Drumminaguncan | 472 | Carra | Islandeady | Castlebar |
| Drumminahaha | 231 | Burrishoole | Islandeady | Westport |
| Drumminaweelaun | 36 | Murrisk | Oughaval | Westport |
| Drummindoo | 323 | Murrisk | Aghagower | Westport |
| Drummindoo | 63 | Tirawley | Ardagh | Ballina |
| Drumminracahill | 1 | Carra | Breaghwy | Castlebar |
| Drumminracahill | 146 | Carra | Ballyhean | Castlebar |
| Drumminroe East | 145 | Carra | Ballintober | Castlebar |
| Drumminroe West | 1,104 | Carra | Ballintober | Castlebar |
| Drumminwonagh | 319 | Burrishoole | Islandeady | Westport |
| Drumnacarta | 53 | Carra | Aglish | Castlebar |
| Drumnalassan | 518 | Costello | Castlemore | Castlereagh |
| Drumnanangle | 179 | Tirawley | Moygawnagh | Killala |
| Drumnashinnagh | 228 | Carra | Burriscarra | Ballinrobe |
| Drumnaslooeen | 186 | Carra | Manulla | Castlebar |
| Drumneen | 310 | Burrishoole | Islandeady | Westport |
| Drumneen | 105 | Carra | Aglish | Castlebar |
| Drumneen | 325 | Carra | Ballintober | Castlebar |
| Drumneen | 505 | Clanmorris | Kilcolman | Claremorris |
| Drumneen (Prendergast) | 144 | Clanmorris | Kilcolman | Claremorris |
| Drumneen Beg | 67 | Carra | Ballintober | Castlebar |
| Drumneen More | 99 | Carra | Ballintober | Castlebar |
| Drumneen South | 104 | Clanmorris | Kilcolman | Claremorris |
| Drumreagh | 757 | Erris | Kilmore | Belmullet |
| Drumrevagh | 473 | Tirawley | Ballynahaglish | Ballina |
| Drumrud | 150 | Carra | Touaghty | Ballinrobe |
| Drumscoba | 208 | Gallen | Attymass | Ballina |
| Drumsheel Lower | 235 | Kilmaine | Cong | Ballinrobe |
| Drumsheel Upper | 120 | Kilmaine | Cong | Ballinrobe |
| Drumsheen | 1,513 | Gallen | Kilgarvan | Ballina |
| Drumshinnagh | 77 | Carra | Aglish | Castlebar |
| Drumshinnagh | 173 | Clanmorris | Tagheen | Claremorris |
| Drumshinnagh | 270 | Gallen | Kilconduff | Swineford |
| Drumshinnagh (Lynch) | 64 | Clanmorris | Tagheen | Claremorris |
| Drumsleed | 1,061 | Erris | Kilcommon | Newport |
| Drunganagh East | 241 | Carra | Kildacommoge | Castlebar |
| Drunganagh West | 200 | Carra | Kildacommoge | Castlebar |
| Durless | 1,092 | Murrisk | Oughaval | Westport |
| Duvillaun More | 155 | Erris | Kilmore | Belmullet |
| Duvillaun-beg | 24 | Erris | Kilmore | Belmullet |
| Eagle Island | 14 | Erris | Kilmore | Belmullet |
| Easter Island | 1 | Kilmaine | Cong | Ballinrobe |
| Easter Rock Island | 1 | Kilmaine | Cong | Ballinrobe |
| Eden | 327 | Costello | Knock | Claremorris |
| Ederglen | 861 | Erris | Kilcommon | Belmullet |
| Edmondstown Demesne (or Tullaghanmore) | 440 | Costello | Kilcolman | Castlereagh |
| Ellagh-Beg | 955 | Gallen | Kilgarvan | Ballina |
| Ellagh-More | 896 | Gallen | Kilgarvan | Ballina |
| Ellaghs | 282 | Tirawley | Kilfian | Killala |
| Ellistronbeg | 343 | Kilmaine | Kilmainemore | Ballinrobe |
| Ellistronparks | 76 | Kilmaine | Kilmainemore | Ballinrobe |
| Elly | 703 | Erris | Kilmore | Belmullet |
| Elmhall | 202 | Carra | Drum | Castlebar |
| Emlagh | 375 | Murrisk | Kilgeever | Westport |
| Emlybeg (Kyle) | 68 | Erris | Kilmore | Belmullet |
| Emlybeg North | 496 | Erris | Kilmore | Belmullet |
| Emlybeg South | 463 | Erris | Kilmore | Belmullet |
| Emlycass | 214 | Erris | Kilmore | Belmullet |
| Enagh Beg | 400 | Tirawley | Crossmolina | Ballina |
| Enagh More | 410 | Tirawley | Crossmolina | Ballina |
| Errew | 497 | Tirawley | Crossmolina | Ballina |
| Errew | 200 | Carra | Ballyhean | Castlebar |
| Erriff | 278 | Carra | Turlough | Castlebar |
| Erriff | 305 | Costello | Bekan | Claremorris |
| Erriff | 2,438 | Murrisk | Aghagower | Westport |
| Esker | 71 | Clanmorris | Knock | Claremorris |
| Esker | 149 | Gallen | Kilconduff | Swineford |
| Esker | 134 | Gallen | Meelick | Swineford |
| Esker East | 140 | Clanmorris | Crossboyne | Claremorris |
| Esker North | 103 | Clanmorris | Crossboyne | Claremorris |
| Esker South | 182 | Clanmorris | Crossboyne | Claremorris |
| Eskeragh | 944 | Tirawley | Crossmolina | Ballina |
| Eskerlevalley | 236 | Clanmorris | Kilcolman | Claremorris |
| Eskermorilly | 204 | Clanmorris | Knock | Claremorris |
| Essaun | 727 | Erris | Kilcommon | Newport |
| Facefield | 468 | Clanmorris | Mayo | Claremorris |
| Fahburren | 696 | Murrisk | Oughaval | Westport |
| Faheens | 464 | Gallen | Kilconduff | Swineford |
| Fahy | 157 | Tirawley | Kilfian | Killala |
| Fahy | 269 | Erris | Kilcommon | Newport |
| Fahy Beg | 120 | Burrishoole | Kilmaclasser | Westport |
| Fahy More | 92 | Burrishoole | Kilmaclasser | Westport |
| Fahybeg | 12 | Clanmorris | Mayo | Claremorris |
| Fairfield Lower | 502 | Tirawley | Kilfian | Ballina |
| Fairfield Upper | 281 | Tirawley | Kilfian | Ballina |
| Fairhill | 109 | Burrishoole | Islandeady | Westport |
| Fallakeeran | 213 | Clanmorris | Kilvine | Claremorris |
| Fallataggart | 4 | Tirawley | Templemurry | Killala |
| Fallduff | 543 | Murrisk | Kilgeever | Westport |
| Falleighter | 819 | Costello | Aghamore | Swineford |
| Fallgarve | 74 | Tirawley | Moygawnagh | Killala |
| Fallmore | 680 | Erris | Kilmore | Belmullet |
| Fallsollus | 149 | Costello | Kilcolman | Castlereagh |
| Farmhill | 297 | Tirawley | Rathreagh | Killala |
| Farmhill | 167 | Clanmorris | Crossboyne | Claremorris |
| Farnaght | 389 | Murrisk | Oughaval | Westport |
| Farnaun | 317 | Costello | Annagh | Claremorris |
| Farragh | 186 | Tirawley | Ballysakeery | Ballina |
| Farrandeelion | 238 | Tirawley | Ballynahaglish | Ballina |
| Farrannasculloge | 657 | Tirawley | Ardagh | Ballina |
| Farrannoo | 316 | Tirawley | Kilmoremoy | Ballina |
| Faughill | 189 | Costello | Knock | Claremorris |
| Faulagh | 946 | Erris | Kilcommon | Belmullet |
| Fauleens | 600 | Erris | Kilcommon | Belmullet |
| Fauleens | 543 | Costello | Kilbeagh | Swineford |
| Fauleens | 140 | Burrishoole | Burrishoole | Newport |
| Fawnglass | 146 | Murrisk | Kilgeever | Westport |
| Fawnmore | 194 | Murrisk | Inishbofin | Clifden |
| Feamore | 910 | Costello | Annagh | Claremorris |
| Feenune | 899 | Murrisk | Kilgeever | Westport |
| Fiddaunnageeroge | 1,798 | Tirawley | Crossmolina | Ballina |
| Fisherhill | 335 | Carra | Turlough | Castlebar |
| Flag Island | 1 | Kilmaine | Ballinchalla | Ballinrobe |
| Flughany | 782 | Costello | Kilturra | Swineford |
| Foghill | 439 | Tirawley | Kilcummin | Killala |
| Forkfield (or Gowel) | 156 | Burrishoole | Aghagower | Westport |
| Formoyle | 454 | Tirawley | Moygawnagh | Killala |
| Formoyle | 1,795 | Murrisk | Kilgeever | Westport |
| Forrew | 710 | Tirawley | Moygawnagh | Killala |
| Forthill | 159 | Costello | Bekan | Claremorris |
| Fortland | 189 | Tirawley | Kilfian | Ballina |
| Fortlawn | 46 | Carra | Drum | Castlebar |
| Fotish | 274 | Tirawley | Crossmolina | Ballina |
| Fountainhill | 207 | Kilmaine | Kilmainebeg | Ballinrobe |
| Foxford | Town | Gallen | Toomore | Swineford |
| Foxford | 1,019 | Gallen | Toomore | Swineford |
| Frasnadeffa | 121 | Costello | Kilcolman | Castlereagh |
| Freaghillan | 19 | Burrishoole | Kilmeena | Westport |
| Freaghillan | 4 | Tirawley | Ballysakeery | Ballina |
| Freaghillan | 6 | Carra | Turlough | Castlebar |
| Freaghillan West | 3 | Burrishoole | Burrishoole | Newport |
| Freaghillanluggagh | 3 | Burrishoole | Burrishoole | Newport |
| Freeheen | 135 | Tirawley | Crossmolina | Ballina |
| Freeheen | 172 | Clanmorris | Mayo | Ballinrobe |
| Frenchbrook North | 221 | Kilmaine | Kilmainemore | Ballinrobe |
| Frenchbrook South | 575 | Kilmaine | Kilmainemore | Ballinrobe |
| Frenchgrove | 668 | Kilmaine | Kilcommon | Ballinrobe |
| Friarsground | 16 | Costello | Annagh | Claremorris |
| Friarshill | 26 | Costello | Castlemore | Castlereagh |
| Friarsquarter East | 220 | Kilmaine | Ballinrobe | Ballinrobe |
| Friarsquarter West | 241 | Kilmaine | Ballinrobe | Ballinrobe |
| Friarstown | 257 | Tirawley | Kilbelfad | Ballina |
| Funshinagh | 361 | Kilmaine | Cong | Ballinrobe |
| Furgill | 439 | Murrisk | Oughaval | Westport |
| Furnace | 220 | Carra | Ballyovey | Ballinrobe |
| Furnace | 242 | Burrishoole | Burrishoole | Newport |
| Gaghta Island | 4 | Erris | Kilmore | Belmullet |
| Gallagh | 178 | Carra | Ballyovey | Ballinrobe |
| Gallgort | 74 | Carra | Burriscarra | Ballinrobe |
| Garhawnagh | 181 | Clanmorris | Balla | Castlebar |
| Garracloon | 133 | Kilmaine | Cong | Ballinrobe |
| Garraghill | 517 | Carra | Turlough | Castlebar |
| Garranard | 230 | Tirawley | Moygawnagh | Killala |
| Garrankeel | 135 | Tirawley | Kilmoremoy | Ballina |
| Garranty | 301 | Murrisk | Kilgeever | Westport |
| Garraun | 216 | Tirawley | Crossmolina | Ballina |
| Garraun | 237 | Costello | Annagh | Claremorris |
| Garraun | 82 | Kilmaine | Moorgagagh | Ballinrobe |
| Garraunard | 169 | Tirawley | Crossmolina | Ballina |
| Garravlagh | 299 | Clanmorris | Tagheen | Claremorris |
| Garreens | 202 | Kilmaine | Kilcommon | Ballinrobe |
| Garrow | 92 | Burrishoole | Aghagower | Westport |
| Garrycloonagh | 173 | Tirawley | Kilbelfad | Ballina |
| Garryduff | 182 | Carra | Aglish | Castlebar |
| Garryduff Middle | 75 | Clanmorris | Crossboyne | Claremorris |
| Garryduff North | 87 | Clanmorris | Crossboyne | Claremorris |
| Garryduff South | 124 | Clanmorris | Crossboyne | Claremorris |
| Garryduff West | 175 | Clanmorris | Crossboyne | Claremorris |
| Garrymore | 663 | Kilmaine | Kilcommon | Claremorris |
| Garrynabba | 78 | Clanmorris | Kilcolman | Claremorris |
| Garrynagran | 251 | Tirawley | Moygawnagh | Killala |
| Garryredmond | 624 | Clanmorris | Kilcolman | Claremorris |
| Garryroe | 92 | Gallen | Killedan | Swineford |
| Garrywadreen | 287 | Clanmorris | Kilcolman | Claremorris |
| Garterhill | 671 | Erris | Kilcommon | Belmullet |
| Geevraun | 762 | Tirawley | Doonfeeny | Killala |
| Gladree | 554 | Erris | Kilmore | Belmullet |
| Glasgort | 307 | Carra | Ballintober | Castlebar |
| Glasheens | 781 | Tirawley | Crossmolina | Ballina |
| Glasmansally | 28 | Carra | Burriscarra | Castlebar |
| Glaspatrick | 823 | Murrisk | Oughaval | Westport |
| Glassillan | 25 | Erris | Kilcommon | Newport |
| Glassillan Island | 1 | Erris | Kilcommon | Newport |
| Glastrasna | 390 | Costello | Kilbeagh | Swineford |
| Glasvally | 143 | Kilmaine | Shrule | Ballinrobe |
| Glebe | 62 | Costello | Castlemore | Castlereagh |
| Glebe | 31 | Tirawley | Kilbelfad | Ballina |
| Glebe | 36 | Carra | Drum | Castlebar |
| Glebe | 61 | Tirawley | Crossmolina | Ballina |
| Glebe | 41 | Kilmaine | Cong | Ballinrobe |
| Glebe | 47 | Tirawley | Lackan | Killala |
| Glebe | 67 | Erris | Kilmore | Belmullet |
| Glebe | 47 | Murrisk | Kilgeever | Westport |
| Glen | 491 | Murrisk | Kilgeever | Westport |
| Glenagh | 1,200 | Tirawley | Doonfeeny | Killala |
| Glenagort | 645 | Tirawley | Crossmolina | Ballina |
| Glenavenew | 137 | Tirawley | Addergoole | Castlebar |
| Glenbaun | 338 | Murrisk | Oughaval | Westport |
| Glencally | 511 | Murrisk | Oughaval | Westport |
| Glencalry Lower | 784 | Tirawley | Doonfeeny | Killala |
| Glencalry Upper | 1,151 | Tirawley | Doonfeeny | Killala |
| Glencastle | 2,336 | Erris | Kilcommon | Belmullet |
| Glenconnelly | 1,672 | Murrisk | Kilgeever | Westport |
| Glencullin | 2,086 | Murrisk | Kilgeever | Westport |
| Glencullin | 1,000 | Tirawley | Doonfeeny | Killala |
| Glencullin Lower | 2,068 | Erris | Kilcommon | Belmullet |
| Glencullin Upper | 2,780 | Erris | Kilcommon | Belmullet |
| Glendaduff | 747 | Gallen | Attymass | Ballina |
| Glendahurk | 1,455 | Burrishoole | Burrishoole | Newport |
| Glendavock | 1,743 | Murrisk | Aghagower | Westport |
| Glendavoolagh | 2,024 | Tirawley | Crossmolina | Ballina |
| Glendorragha | 1,874 | Tirawley | Addergoole | Castlebar |
| Glenedagh Eighter | 433 | Tirawley | Kilfian | Killala |
| Glenedagh Oughter | 1,071 | Tirawley | Kilfian | Killala |
| Glengad (or Dooncarton) | 830 | Erris | Kilcommon | Belmullet |
| Glenglassera | 1,191 | Tirawley | Doonfeeny | Killala |
| Glenkeen | 3,667 | Murrisk | Kilgeever | Westport |
| Glenlara | 1,822 | Erris | Kilmore | Belmullet |
| Glenlara | 1,302 | Burrishoole | Burrishoole | Newport |
| Glenlaur | 1,138 | Murrisk | Oughaval | Westport |
| Glenmask | 1,872 | Carra | Ballyovey | Ballinrobe |
| Glenmullynaha East | 871 | Costello | Kilbeagh | Swineford |
| Glenmullynaha West | 945 | Costello | Kilbeagh | Swineford |
| Glennacally | 5,247 | Murrisk | Aghagower | Westport |
| Glennagashleeny | 969 | Carra | Ballyovey | Ballinrobe |
| Glennamaddoo | 2,045 | Burrishoole | Burrishoole | Newport |
| Glennamong | 4,453 | Burrishoole | Burrishoole | Newport |
| Glenora | 781 | Tirawley | Doonfeeny | Killala |
| Glentavraun | 1,578 | Costello | Kilmovee | Swineford |
| Glenthomas | 1,129 | Burrishoole | Burrishoole | Newport |
| Glenturk Beg | 1,823 | Erris | Kilcommon | Belmullet |
| Glenturk More | 1,547 | Erris | Kilcommon | Belmullet |
| Glenulra | 2,164 | Tirawley | Doonfeeny | Killala |
| Glenummera | 2,866 | Murrisk | Aghagower | Westport |
| Glenummera | 524 | Murrisk | Kilgeever | Westport |
| Glinsk | 505 | Murrisk | Aghagower | Westport |
| Glinsk | 2,054 | Erris | Kilcommon | Belmullet |
| Gneeve | 274 | Carra | Kildacommoge | Castlebar |
| Goolamore | 254 | Erris | Kilcommon | Belmullet |
| Goose Island | 9 | Tirawley | Ballysakeery | Ballina |
| Gort | 463 | Carra | Turlough | Castlebar |
| Gortacurra | 253 | Kilmaine | Cong | Ballinrobe |
| Gortalavaun | 39 | Clanmorris | Tagheen | Claremorris |
| Gortaneden | 189 | Tirawley | Crossmolina | Ballina |
| Gortaneden | 789 | Erris | Kilmore | Belmullet |
| Gortanierin | 108 | Clanmorris | Crossboyne | Claremorris |
| Gortanure | 564 | Costello | Kilbeagh | Castlereagh |
| Gortaphuill | 230 | Carra | Rosslee | Castlebar |
| Gortaphuntaun | 149 | Clanmorris | Mayo | Claremorris |
| Gortaroe | 114 | Murrisk | Oughaval | Westport |
| Gortaroe | 59 | Kilmaine | Cong | Ballinrobe |
| Gortaruaun | 56 | Carra | Drum | Castlebar |
| Gortaskibbole | 464 | Tirawley | Ballynahaglish | Ballina |
| Gortatober | 171 | Kilmaine | Shrule | Ballinrobe |
| Gortatoger | 328 | Tirawley | Ardagh | Ballina |
| Gortatoor | 191 | Tirawley | Lackan | Killala |
| Gortawarla | 196 | Burrishoole | Kilmeena | Newport |
| Gortbaun | 380 | Carra | Ballintober | Castlebar |
| Gortbrack | 332 | Kilmaine | Shrule | Ballinrobe |
| Gortbrack | 249 | Erris | Kilmore | Belmullet |
| Gortbrack North | 1,070 | Erris | Kilcommon | Belmullet |
| Gortbrack South | 1,114 | Erris | Kilcommon | Newport |
| Gortbunacullin | 1,204 | Carra | Ballyovey | Ballinrobe |
| Gorteen | 121 | Burrishoole | Aghagower | Westport |
| Gorteen | 335 | Costello | Annagh | Claremorris |
| Gorteen | 145 | Burrishoole | Kilmaclasser | Westport |
| Gorteen | 241 | Gallen | Templemore | Castlebar |
| Gorteen | 314 | Tirawley | Kilmoremoy | Ballina |
| Gorteen Beg | 83 | Costello | Bekan | Claremorris |
| Gorteen More | 159 | Costello | Bekan | Claremorris |
| Gorteendarragh | 12 | Murrisk | Oughaval | Westport |
| Gorteendrunagh | 243 | Carra | Aglish | Castlebar |
| Gorteenlynagh | 126 | Kilmaine | Ballinrobe | Ballinrobe |
| Gorteenmore | 140 | Carra | Ballyovey | Ballinrobe |
| Gorteenmore | 291 | Clanmorris | Kilcolman | Claremorris |
| Gorteennamuck | 201 | Tirawley | Ballynahaglish | Ballina |
| Gorteenroe | 101 | Kilmaine | Cong | Ballinrobe |
| Gorteens | 372 | Kilmaine | Moorgagagh | Ballinrobe |
| Gortfadda | 52 | Clanmorris | Kilcolman | Claremorris |
| Gortfahy | 164 | Burrishoole | Burrishoole | Newport |
| Gortfree | 284 | Carra | Ballyovey | Ballinrobe |
| Gortgarve | 154 | Gallen | Killedan | Swineford |
| Gortgarve | 24 | Clanmorris | Crossboyne | Claremorris |
| Gortjordan | 124 | Kilmaine | Kilmainebeg | Ballinrobe |
| Gortlahan | 248 | Carra | Kildacommoge | Castlebar |
| Gortleatilla | 2,023 | Erris | Kilcommon | Belmullet |
| Gortmellia | 1,236 | Erris | Kilcommon | Belmullet |
| Gortmore | 769 | Erris | Kilcommon | Belmullet |
| Gortnaclassagh | 499 | Burrishoole | Kilmaclasser | Westport |
| Gortnadrehy | 294 | Tirawley | Ballynahaglish | Ballina |
| Gortnafolla | 426 | Carra | Turlough | Castlebar |
| Gortnageeragh | 190 | Costello | Annagh | Claremorris |
| Gortnagranagher | 31 | Clanmorris | Tagheen | Claremorris |
| Gortnagusetaul | 32 | Clanmorris | Mayo | Claremorris |
| Gortnaheltia | 1,423 | Tirawley | Addergoole | Castlebar |
| Gortnahurra Lower | 1,901 | Tirawley | Crossmolina | Ballina |
| Gortnahurra Upper | 585 | Tirawley | Crossmolina | Ballina |
| Gortnalyer | 43 | Tirawley | Crossmolina | Ballina |
| Gortnaraby | 212 | Tirawley | Crossmolina | Ballina |
| Gortnaraha | 455 | Clanmorris | Kilcolman | Claremorris |
| Gortnashammer | 128 | Kilmaine | Kilcommon | Ballinrobe |
| Gortnasillagh | 196 | Gallen | Bohola | Swineford |
| Gortnaskohoge | 103 | Kilmaine | Kilmainebeg | Ballinrobe |
| Gortnasmuttaun | 155 | Carra | Ballyhean | Castlebar |
| Gortnastang | 65 | Kilmaine | Kilmainemore | Ballinrobe |
| Gortskeddia | 230 | Tirawley | Crossmolina | Ballina |
| Gortskehy | 226 | Kilmaine | Kilcommon | Claremorris |
| Goulaun | 661 | Tirawley | Crossmolina | Ballina |
| Gowel | 206 | Clanmorris | Mayo | Claremorris |
| Gowel | 322 | Costello | Kilbeagh | Swineford |
| Gowel (or Forkfield) | 156 | Burrishoole | Aghagower | Westport |
| Gowelboy | 210 | Gallen | Killedan | Swineford |
| Gowlaun | 607 | Costello | Kilmovee | Swineford |
| Gowlaun | 957 | Costello | Kilbeagh | Swineford |
| Graddoge | 131 | Carra | Rosslee | Ballinrobe |
| Graffa Beg | 135 | Carra | Islandeady | Castlebar |
| Graffa More | 478 | Carra | Islandeady | Castlebar |
| Graffy | 1,293 | Gallen | Kilgarvan | Ballina |
| Graffy | 358 | Gallen | Killasser | Swineford |
| Graffy | 175 | Carra | Kildacommoge | Castlebar |
| Graffy | 297 | Burrishoole | Burrishoole | Newport |
| Graghil | 468 | Erris | Kilcommon | Belmullet |
| Grallagh | 24 | Clanmorris | Tagheen | Claremorris |
| Grallagh | 460 | Gallen | Kildacommoge | Castlebar |
| Grallagh | 612 | Costello | Annagh | Claremorris |
| Grallaghgarden | 29 | Costello | Bekan | Claremorris |
| Grange | 608 | Tirawley | Crossmolina | Ballina |
| Greaghaus | 281 | Kilmaine | Kilcommon | Ballinrobe |
| Green Island | 2 | Kilmaine | Cong | Ballinrobe |
| Greenan | 58 | Clanmorris | Crossboyne | Claremorris |
| Greenans | 1,002 | Carra | Turlough | Castlebar |
| Greenaun | 2,240 | Erris | Kilcommon | Newport |
| Greenaun | 287 | Tirawley | Ardagh | Ballina |
| Greenwood | 278 | Costello | Bekan | Claremorris |
| Greenwoodpark | 270 | Tirawley | Kilfian | Ballina |
| Greyfield (or Clylea) | 92 | Kilmaine | Kilmainemore | Ballinrobe |
| Griffins Island | 1 | Tirawley | Ballynahaglish | Ballina |
| Guardhousepark | 66 | Clanmorris | Crossboyne | Claremorris |
| Gubalennaun-beg | 2 | Burrishoole | Achill | Newport |
| Gubnahardia | 159 | Burrishoole | Achill | Newport |
| Gurraunard | 162 | Gallen | Templemore | Castlebar |
| Gweesalia | 997 | Erris | Kilcommon | Belmullet |
| Gweeshadan | 214 | Carra | Drum | Castlebar |
| Hagfield (or Treanacally) | 860 | Costello | Kilbeagh | Swineford |
| Harefield | 217 | Clanmorris | Mayo | Claremorris |
| Hawksford | 456 | Costello | Kilcolman | Castlereagh |
| Hawthornlodge | 143 | Carra | Breaghwy | Castlebar |
| Hazelhill | 449 | Costello | Annagh | Claremorris |
| Heath | 554 | Clanmorris | Crossboyne | Claremorris |
| Heath island | 1 | Burrishoole | Achill | Newport |
| Heathlawn | 182 | Clanmorris | Mayo | Castlebar |
| Hog Island | 2 | Carra | Burriscarra | Ballinrobe |
| Hollowpark | 167 | Carra | Rosslee | Castlebar |
| Hollymount | Town | Kilmaine | Kilcommon | Ballinrobe |
| Hollymount Demesne | 403 | Kilmaine | Kilcommon | Ballinrobe |
| Holy Island (or Camillaun) | 4 | Kilmaine | Cong | Ballinrobe |
| Holywell Lower | 233 | Costello | Annagh | Claremorris |
| Holywell Upper | 150 | Costello | Annagh | Claremorris |
| Horse Island | 3 | Carra | Burriscarra | Ballinrobe |
| Horse Island | 8 | Tirawley | Doonfeeny | Killala |
| Houndswood Middle | 426 | Kilmaine | Cong | Ballinrobe |
| Houndswood North | 377 | Kilmaine | Cong | Ballinrobe |
| Houndswood South | 316 | Kilmaine | Cong | Ballinrobe |
| Hundred Acres | 186 | Kilmaine | Kilmainebeg | Ballinrobe |
| Illan Boebeg | 3 | Kilmaine | Ballinchalla | Ballinrobe |
| Illan Boemore | 8 | Kilmaine | Ballinchalla | Ballinrobe |
| Illan Columbkille | 1 | Carra | Ballyovey | Ballinrobe |
| Illanataggart | 29 | Burrishoole | Kilmeena | Westport |
| Illanatrim | 1 | Kilmaine | Robeen | Ballinrobe |
| Illancroagh | 5 | Erris | Kilcommon | Newport |
| Illandavuck | 6 | Erris | Kilmore | Belmullet |
| Illandawaur | 3 | Carra | Ballyovey | Ballinrobe |
| Illanee | 1 | Carra | Turlough | Castlebar |
| Illangub | 1 | Carra | Turlough | Castlebar |
| Illanmaster | 6 | Erris | Kilcommon | Belmullet |
| Illanmaw | 1 | Burrishoole | Kilmeena | Westport |
| Illanmore | 211 | Kilmaine | Kilmainebeg | Ballinrobe |
| Illannacooney | 2 | Burrishoole | Kilmeena | Westport |
| Illannaglashy | 81 | Tirawley | Kilbelfad | Ballina |
| Illannambraher East | 14 | Burrishoole | Burrishoole | Newport |
| Illannambraher West | 11 | Burrishoole | Burrishoole | Newport |
| Illannamona | 4 | Burrishoole | Kilmeena | Westport |
| Illanneill | 1 | Carra | Turlough | Castlebar |
| Illanoon | 2 | Burrishoole | Burrishoole | Newport |
| Illanroe | 2 | Burrishoole | Burrishoole | Newport |
| Illanroe | 2 | Erris | Kilcommon | Newport |
| Illanroe | 2 | Murrisk | Oughaval | Westport |
| Illanteige East | 38 | Burrishoole | Islandeady | Westport |
| Illanteige West | 21 | Burrishoole | Islandeady | Westport |
| Illanulque | 1 | Carra | Turlough | Castlebar |
| Inagh | 1,235 | Tirawley | Doonfeeny | Killala |
| Inchcorty | 1 | Burrishoole | Burrishoole | Newport |
| Inishacrick | 5 | Burrishoole | Burrishoole | Newport |
| Inishaghoo | 14 | Erris | Kilcommon | Newport |
| Inishangan (or Shangorman) | 16 | Kilmaine | Ballinrobe | Ballinrobe |
| Inishard | 209 | Kilmaine | Ballinchalla | Ballinrobe |
| Inishbee | 38 | Burrishoole | Kilmeena | Westport |
| Inishbiggle | 637 | Erris | Kilcommon | Newport |
| Inishbobunnan | 24 | Burrishoole | Burrishoole | Newport |
| Inishbollog | 3 | Burrishoole | Kilmeena | Newport |
| Inishcannon | 3 | Burrishoole | Burrishoole | Newport |
| Inishcoe | 115 | Tirawley | Crossmolina | Ballina |
| Inishcooa | 20 | Burrishoole | Burrishoole | Newport |
| Inishcoog | 64 | Kilmaine | Ballinchalla | Ballinrobe |
| Inishcoragh | 8 | Burrishoole | Burrishoole | Newport |
| Inishcottle | 23 | Burrishoole | Kilmeena | Westport |
| Inishcuill East | 14 | Burrishoole | Kilmeena | Newport |
| Inishcuill West | 2 | Burrishoole | Kilmeena | Newport |
| Inishdaff | 32 | Burrishoole | Kilmeena | Newport |
| Inishdalla | 15 | Murrisk | Kilgeever | Westport |
| Inishdasky | 15 | Burrishoole | Burrishoole | Newport |
| Inishdaugh | 6 | Murrisk | Oughaval | Westport |
| Inishdaweel | 15 | Burrishoole | Burrishoole | Newport |
| Inishdeashmore | 6 | Burrishoole | Burrishoole | Newport |
| Inishdegilbeg | 1 | Murrisk | Kilgeever | Westport |
| Inishdegilmore | 32 | Murrisk | Kilgeever | Westport |
| Inishderry | 3 | Erris | Kilcommon | Belmullet |
| Inishdoonver | 12 | Burrishoole | Burrishoole | Newport |
| Inishdugh | 8 | Tirawley | Ballysakeery | Ballina |
| Inishdurra | 12 | Kilmaine | Ballinrobe | Ballinrobe |
| Inisheeny | 25 | Murrisk | Oughaval | Westport |
| Inisherkin | 30 | Burrishoole | Burrishoole | Newport |
| Inishfesh | 12 | Burrishoole | Kilmeena | Newport |
| Inishgalloon | 13 | Burrishoole | Achill | Newport |
| Inishgleasty | 15 | Kilmaine | Cong | Ballinrobe |
| Inishglora | 37 | Erris | Kilmore | Belmullet |
| Inishgort | 27 | Burrishoole | Kilmeena | Westport |
| Inishgort | 34 | Murrisk | Inishbofin | Clifden |
| Inishgowla | 31 | Burrishoole | Burrishoole | Newport |
| Inishgowla | 32 | Burrishoole | Kilmeena | Westport |
| Inishgowla South | 28 | Burrishoole | Kilmeena | Westport |
| Inishilra | 8 | Burrishoole | Burrishoole | Newport |
| Inishimmel | 3 | Burrishoole | Kilmeena | Westport |
| Inishkea North | 464 | Erris | Kilmore | Belmullet |
| Inishkea South | 344 | Erris | Kilmore | Belmullet |
| Inishkee | 12 | Burrishoole | Burrishoole | Newport |
| Inishkeel | 30 | Burrishoole | Burrishoole | Newport |
| Inishkeeragh North | 8 | Erris | Kilmore | Belmullet |
| Inishkeeragh South | 16 | Erris | Kilmore | Belmullet |
| Inishlaghan | 1 | Burrishoole | Kilmeena | Westport |
| Inishlaughil | 28 | Burrishoole | Kilmeena | Westport |
| Inishleague | 13 | Burrishoole | Kilmeena | Westport |
| Inishlee | 1 | Tirawley | Kilbelfad | Ballina |
| Inishlim | 6 | Burrishoole | Burrishoole | Newport |
| Inishloy | 21 | Burrishoole | Kilmeena | Newport |
| Inishlyon | 74 | Murrisk | Inishbofin | Clifden |
| Inishlyre | 52 | Burrishoole | Kilmeena | Westport |
| Inishmaine | 165 | Kilmaine | Ballinchalla | Ballinrobe |
| Inishmolt | 4 | Burrishoole | Kilmeena | Newport |
| Inishnacross | 25 | Burrishoole | Burrishoole | Newport |
| Inishnakillew | 58 | Burrishoole | Kilmeena | Westport |
| Inishoght | 13 | Kilmaine | Ballinchalla | Ballinrobe |
| Inishoo | 17 | Burrishoole | Kilmeena | Westport |
| Inishowel | 5 | Kilmaine | Ballinchalla | Ballinrobe |
| Inishowen | 29 | Kilmaine | Ballinchalla | Ballinrobe |
| Inishower | 36 | Burrishoole | Burrishoole | Newport |
| Inishquirk | 28 | Burrishoole | Burrishoole | Newport |
| Inishraher | 26 | Burrishoole | Kilmeena | Westport |
| Inishrobe | 21 | Kilmaine | Ballinrobe | Ballinrobe |
| Inishshark | 581 | Murrisk | Inishbofin | Clifden |
| Inishskinnybeg | 4 | Murrisk | Inishbofin | Clifden |
| Inishskinnymore | 12 | Murrisk | Inishbofin | Clifden |
| Inishtubbrid | 37 | Burrishoole | Burrishoole | Newport |
| Inishturk | 59 | Burrishoole | Kilmeena | Westport |
| Inishturlin | 20 | Burrishoole | Burrishoole | Newport |
| Intake | 55 | Burrishoole | Kilmeena | Westport |
| Inver | 662 | Erris | Kilcommon | Belmullet |
| Ishlaun | 368 | Costello | Castlemore | Castlereagh |
| Island | 842 | Costello | Bekan | Claremorris |
| Island More | 77 | Burrishoole | Kilmeena | Westport |
| Island Morris | 6 | Kilmaine | Cong | Ballinrobe |
| Islandeady | 20 | Burrishoole | Islandeady | Westport |
| Islandmore | 5 | Tirawley | Addergoole | Castlebar |
| Islandmore | 264 | Costello | Kilcolman | Castlereagh |
| Islandmore | 187 | Tirawley | Addergoole | Castlebar |
| Johnsfort | 158 | Gallen | Kilconduff | Swineford |
| Keebagh | 84 | Costello | Bekan | Claremorris |
| Keel East | 1,644 | Burrishoole | Achill | Newport |
| Keel West | 4,071 | Burrishoole | Achill | Newport |
| Keelkill | 169 | Carra | Breaghwy | Castlebar |
| Keelkill | 644 | Murrisk | Aghagower | Westport |
| Keeloges | Town | Carra | Kildacommoge | Castlebar |
| Keeloges | 292 | Burrishoole | Islandeady | Westport |
| Keeloges | 122 | Burrishoole | Burrishoole | Newport |
| Keeloges Lower | 29 | Tirawley | Lackan | Killala |
| Keeloges New | 297 | Carra | Kildacommoge | Castlebar |
| Keeloges Old | 337 | Carra | Kildacommoge | Castlebar |
| Keeloges Upper | 32 | Tirawley | Lackan | Killala |
| Keenagh Beg | 1,778 | Tirawley | Crossmolina | Ballina |
| Keenagh More | 1,922 | Tirawley | Crossmolina | Ballina |
| Keerglen | 1,768 | Tirawley | Kilfian | Killala |
| Kid Island | 25 | Erris | Kilcommon | Belmullet |
| Kid Island | 4 | Carra | Ballyovey | Ballinrobe |
| Kilbeg (Malone) | 203 | Clanmorris | Kilcolman | Claremorris |
| Kilbree Lower | 404 | Burrishoole | Ballintober | Westport |
| Kilbree Upper | 325 | Burrishoole | Ballintober | Westport |
| Kilbrenan | 90 | Carra | Drum | Castlebar |
| Kilbride | 817 | Tirawley | Kilbride | Killala |
| Kilbride | 250 | Clanmorris | Mayo | Claremorris |
| Kilbride | 631 | Gallen | Kilconduff | Swineford |
| Kilbride | 225 | Burrishoole | Burrishoole | Newport |
| Kilcashel | 265 | Costello | Kilmovee | Swineford |
| Kilcolman | 354 | Clanmorris | Kilcolman | Claremorris |
| Kilcolman | 171 | Costello | Kilcolman | Castlereagh |
| Kilcommon | 115 | Kilmaine | Kilcommon | Ballinrobe |
| Kilcommon (or Pollatomish) | 672 | Erris | Kilcommon | Belmullet |
| Kilcummin | 186 | Tirawley | Kilcummin | Killala |
| Kildaree | 117 | Tirawley | Crossmolina | Ballina |
| Kildarra | 104 | Costello | Annagh | Claremorris |
| Kildavaroge | 245 | Tirawley | Crossmolina | Ballina |
| Kildermot | 139 | Gallen | Attymass | Ballina |
| Kildotia | 93 | Kilmaine | Kilmolara | Ballinrobe |
| Kildun | 308 | Erris | Kilcommon | Newport |
| Kildun Beg | 285 | Kilmaine | Cong | Ballinrobe |
| Kildun More | 289 | Kilmaine | Cong | Ballinrobe |
| Kilfaul | 379 | Carra | Ballyovey | Ballinrobe |
| Kilfea | 181 | Burrishoole | Islandeady | Westport |
| Kilgalligan | 832 | Erris | Kilcommon | Belmullet |
| Kilgarriff | 788 | Costello | Kilbeagh | Swineford |
| Kilgarriff | 403 | Costello | Aghamore | Claremorris |
| Kilgarriff West | 1,139 | Costello | Kilbeagh | Swineford |
| Kilgarvan | 820 | Gallen | Kilgarvan | Ballina |
| Kilgarve | 714 | Carra | Islandeady | Castlebar |
| Kilgeever | 546 | Murrisk | Kilgeever | Westport |
| Kilgellia | 518 | Gallen | Attymass | Ballina |
| Kilglassan | 281 | Kilmaine | Kilcommon | Ballinrobe |
| Kilgobban | 73 | Tirawley | Killala | Killala |
| Kilgreana | 244 | Kilmaine | Mayo | Ballinrobe |
| Kilhale | 830 | Carra | Islandeady | Castlebar |
| Kilkeeran | 246 | Kilmaine | Ballinrobe | Ballinrobe |
| Kilkeeran | 241 | Costello | Castlemore | Castlereagh |
| Kilkeeran | 309 | Kilmaine | Kilmainebeg | Ballinrobe |
| Kilkeeran | 373 | Carra | Ballyovey | Ballinrobe |
| Kilkelly | Town | Costello | Kilmovee | Swineford |
| Kilkelly | 46 | Costello | Kilmovee | Swineford |
| Kilkenny | 91 | Carra | Breaghwy | Castlebar |
| Kilknock | 246 | Carra | Breaghwy | Castlebar |
| Kilknock | 315 | Costello | Bekan | Claremorris |
| Kill | 193 | Kilmaine | Moorgagagh | Ballinrobe |
| Kill | 430 | Murrisk | Kilgeever | Westport |
| Killaclare | 252 | Costello | Kilmovee | Swineford |
| Killacorraun | 1,282 | Tirawley | Crossmolina | Ballina |
| Killadangan | 218 | Murrisk | Oughaval | Westport |
| Killadangan | 220 | Costello | Castlemore | Castlereagh |
| Killadeer | 870 | Carra | Ballyhean | Castlebar |
| Killadeer | 720 | Carra | Ballintober | Castlebar |
| Killadoon | 438 | Murrisk | Kilgeever | Westport |
| Killaghoor | 264 | Murrisk | Oughaval | Westport |
| Killaghwaun | 85 | Carra | Islandeady | Castlebar |
| Killala | Town | Tirawley | Killala | Killala |
| Killala | 392 | Tirawley | Killala | Killala |
| Killard | 84 | Carra | Turlough | Castlebar |
| Killaturly | 856 | Costello | Kilbeagh | Swineford |
| Killavally East | 453 | Carra | Ballintober | Castlebar |
| Killavally West | 552 | Carra | Ballintober | Castlebar |
| Killawullaun East | 331 | Carra | Ballintober | Castlebar |
| Killawullaun Mountain | 331 | Carra | Ballintober | Castlebar |
| Killawullaun West | 329 | Carra | Ballintober | Castlebar |
| Killedan | 455 | Gallen | Killedan | Swineford |
| Killeen | 216 | Gallen | Meelick | Swineford |
| Killeen | 51 | Gallen | Killasser | Swineford |
| Killeen | 340 | Costello | Kilbeagh | Swineford |
| Killeen | 55 | Clanmorris | Knock | Claremorris |
| Killeen | 124 | Carra | Drum | Castlebar |
| Killeen | 196 | Tirawley | Kilbride | Killala |
| Killeen | 364 | Tirawley | Crossmolina | Ballina |
| Killeen | 315 | Gallen | Kildacommoge | Castlebar |
| Killeen | 155 | Costello | Aghamore | Swineford |
| Killeen | 356 | Clanmorris | Crossboyne | Claremorris |
| Killeena | 315 | Tirawley | Doonfeeny | Killala |
| Killeencoff | 223 | Murrisk | Oughaval | Westport |
| Killeennashask | 103 | Tirawley | Moygawnagh | Killala |
| Killeenrevagh | 278 | Kilmaine | Kilcommon | Claremorris |
| Killeenrevagh | 505 | Clanmorris | Crossboyne | Claremorris |
| Killencreevagh | 15 | Tirawley | Rathreagh | Killala |
| Killerduff | 304 | Tirawley | Doonfeeny | Killala |
| Killernan | 531 | Kilmaine | Kilmainemore | Ballinrobe |
| Killimor | 747 | Kilmaine | Ballinchalla | Ballinrobe |
| Killogeary | 192 | Tirawley | Lackan | Killala |
| Killogunra | 98 | Tirawley | Killala | Killala |
| Killosheheen | 249 | Kilmaine | Ballinrobe | Ballinrobe |
| Killour | 239 | Kilmaine | Ballinchalla | Ballinrobe |
| Killoveeny | 391 | Costello | Knock | Claremorris |
| Killunagher | 555 | Costello | Annagh | Claremorris |
| Killybrone | 101 | Tirawley | Killala | Killala |
| Killylea | 102 | Costello | Bekan | Claremorris |
| Kilmacanelly | 88 | Clanmorris | Crossboyne | Claremorris |
| Kilmacduagh | 172 | Kilmaine | Kilmainebeg | Ballinrobe |
| Kilmacrade | 213 | Carra | Breaghwy | Castlebar |
| Kilmaine | Town | Kilmaine | Kilmainemore | Ballinrobe |
| Kilmaine | 35 | Kilmaine | Kilmainemore | Ballinrobe |
| Kilmainepark | 80 | Kilmaine | Kilmainemore | Ballinrobe |
| Kilmannin | 127 | Costello | Bekan | Claremorris |
| Kilmeena | 141 | Burrishoole | Kilmeena | Westport |
| Kilmore | 866 | Costello | Kilmovee | Swineford |
| Kilmore | 550 | Gallen | Toomore | Swineford |
| Kilmoremoy | 139 | Tirawley | Kilmoremoy | Ballina |
| Kilmovee | 240 | Costello | Kilmovee | Swineford |
| Kilmurry Beg | 102 | Tirawley | Crossmolina | Ballina |
| Kilmurry More | 129 | Tirawley | Crossmolina | Ballina |
| Kilnageer | 163 | Carra | Drum | Castlebar |
| Kilnagower | 179 | Clanmorris | Kilcolman | Claremorris |
| Kilquire Lower | 331 | Kilmaine | Kilmainemore | Ballinrobe |
| Kilquire Upper | 195 | Kilmaine | Kilmainemore | Ballinrobe |
| Kilroe | 104 | Tirawley | Killala | Killala |
| Kilrush | 165 | Kilmaine | Kilcommon | Ballinrobe |
| Kilsallagh | 1,307 | Erris | Kilcommon | Belmullet |
| Kilsallagh Lower | 702 | Murrisk | Oughaval | Westport |
| Kilsallagh Upper | 347 | Murrisk | Oughaval | Westport |
| Kilscohagh | 318 | Clanmorris | Crossboyne | Claremorris |
| Kilskeagh | 115 | Carra | Touaghty | Ballinrobe |
| Kiltamagh | Town | Gallen | Killedan | Swineford |
| Kiltamagh | 267 | Gallen | Killedan | Swineford |
| Kiltarnaght | 136 | Burrishoole | Burrishoole | Newport |
| Kiltarsaghaun | 840 | Carra | Ballintober | Castlebar |
| Kiltaugharaun | 168 | Kilmaine | Robeen | Ballinrobe |
| Kilteany | 266 | Erris | Kilcommon | Belmullet |
| Kiltogorra | 305 | Kilmaine | Cong | Ballinrobe |
| Kiltrone | 545 | Kilmaine | Robeen | Ballinrobe |
| Kiltybo | 226 | Costello | Annagh | Claremorris |
| Kiltyroe | 199 | Burrishoole | Kilmeena | Newport |
| Kilvanloon | 199 | Costello | Castlemore | Castlereagh |
| Kilvindoney | 339 | Kilmaine | Robeen | Ballinrobe |
| Kilvine | Town | Clanmorris | Kilvine | Claremorris |
| Kilvine | 990 | Clanmorris | Kilvine | Claremorris |
| Kinaff | 594 | Gallen | Kilconduff | Swineford |
| Kinard | 218 | Tirawley | Crossmolina | Ballina |
| Kinatevdilla | 6 | Murrisk | Kilgeever | Westport |
| Kincon | Town | Tirawley | Kilfian | Killala |
| Kincon | 614 | Costello | Knock | Claremorris |
| Kincon | 498 | Tirawley | Kilfian | Killala |
| Kinknock | 279 | Murrisk | Kilgeever | Westport |
| Kinlough | 515 | Kilmaine | Shrule | Ballinrobe |
| Kinnadoohy | 525 | Murrisk | Kilgeever | Westport |
| Kinnakillew | 2,020 | Murrisk | Kilgeever | Westport |
| Kinnavally | 167 | Tirawley | Kilfian | Killala |
| Kinnewry | 1,035 | Carra | Ballintober | Castlebar |
| Kinturk Lower | 119 | Carra | Ballyhean | Castlebar |
| Kinturk Upper | 28 | Carra | Ballyhean | Castlebar |
| Knappagh Beg | 699 | Murrisk | Aghagower | Westport |
| Knappagh More | 434 | Murrisk | Aghagower | Westport |
| Knappaghmanagh | 494 | Murrisk | Aghagower | Westport |
| Knock | 366 | Murrisk | Inishbofin | Clifden |
| Knock North | 274 | Kilmaine | Cong | Ballinrobe |
| Knock South | 74 | Kilmaine | Cong | Ballinrobe |
| Knockacroghery | 151 | Carra | Aglish | Castlebar |
| Knockaculleen | 172 | Tirawley | Moygawnagh | Killala |
| Knockacurreen | 47 | Carra | Burriscarra | Ballinrobe |
| Knockadangan | 121 | Tirawley | Crossmolina | Ballina |
| Knockadoon | 522 | Clanmorris | Kilvine | Claremorris |
| Knockadoon | 126 | Kilmaine | Ballinrobe | Ballinrobe |
| Knockadorraghy | 432 | Clanmorris | Mayo | Ballinrobe |
| Knockadrum | 125 | Burrishoole | Aghagower | Westport |
| Knockafall | 130 | Gallen | Templemore | Castlebar |
| Knockafarson (or Broadlands) | 230 | Tirawley | Ballysakeery | Ballina |
| Knockagarraun | 237 | Gallen | Templemore | Castlebar |
| Knockagarravaun | 228 | Tirawley | Crossmolina | Ballina |
| Knockaglana | 1,035 | Carra | Turlough | Castlebar |
| Knockagraffy | 50 | Clanmorris | Tagheen | Claremorris |
| Knockagreenaun | 90 | Carra | Ballyhean | Castlebar |
| Knockakeery | 71 | Burrishoole | Aghagower | Westport |
| Knockalassa | 89 | Kilmaine | Cong | Ballinrobe |
| Knockaleanore | 108 | Carra | Ballyovey | Ballinrobe |
| Knockalegan | 152 | Tirawley | Crossmolina | Ballina |
| Knockalegan | 360 | Kilmaine | Kilcommon | Ballinrobe |
| Knockalegan | 112 | Burrishoole | Burrishoole | Newport |
| Knockalinsky | 141 | Kilmaine | Robeen | Ballinrobe |
| Knockalough | 51 | Tirawley | Ballysakeery | Ballina |
| Knockanaconny | 284 | Costello | Castlemore | Castlereagh |
| Knockananeel | 201 | Clanmorris | Crossboyne | Claremorris |
| Knockananny | 710 | Tirawley | Moygawnagh | Killala |
| Knockanarra | 145 | Costello | Annagh | Claremorris |
| Knockaneden | 238 | Burrishoole | Islandeady | Westport |
| Knockanelo | 146 | Tirawley | Ardagh | Ballina |
| Knockanerrew | 68 | Carra | Ballyhean | Castlebar |
| Knockanillaun | 169 | Tirawley | Ardagh | Ballina |
| Knockanotish | 293 | Kilmaine | Ballinrobe | Ballinrobe |
| Knockanour | 136 | Carra | Turlough | Castlebar |
| Knockanroe | 61 | Clanmorris | Tagheen | Claremorris |
| Knockanumera | 167 | Tirawley | Crossmolina | Ballina |
| Knockanyeveen | Town | Burrishoole | Kilmeena | Westport |
| Knockaphunta | 380 | Carra | Aglish | Castlebar |
| Knockaraha | 163 | Carra | Ballintober | Castlebar |
| Knockaraha East | 40 | Murrisk | Oughaval | Westport |
| Knockaraha West | 52 | Murrisk | Oughaval | Westport |
| Knockaskeehaun | 244 | Tirawley | Kilfian | Ballina |
| Knockaskibbole | 479 | Carra | Aglish | Castlebar |
| Knockasproha | 131 | Burrishoole | Kilmeena | Westport |
| Knockataggart | 87 | Clanmorris | Tagheen | Claremorris |
| Knockatemple | 299 | Gallen | Kildacommoge | Castlebar |
| Knockatemple (or Drum) | 208 | Carra | Drum | Castlebar |
| Knockatinnole | 150 | Tirawley | Ballysakeery | Ballina |
| Knockatober | 199 | Clanmorris | Kilcolman | Claremorris |
| Knockatotaun | 173 | Carra | Rosslee | Ballinrobe |
| Knockatotaun | 38 | Kilmaine | Kilmainemore | Ballinrobe |
| Knockaun | 280 | Tirawley | Kilbride | Killala |
| Knockaunabroona | 16 | Clanmorris | Mayo | Claremorris |
| Knockaunacat | 109 | Costello | Bekan | Claremorris |
| Knockaunakill | 448 | Clanmorris | Mayo | Claremorris |
| Knockaunbaun | 203 | Tirawley | Crossmolina | Ballina |
| Knockaunderry | 100 | Tirawley | Ballysakeery | Ballina |
| Knockavanloman | 97 | Burrishoole | Kilmeena | Westport |
| Knockaveely Glebe | 15 | Burrishoole | Burrishoole | Newport |
| Knockavilla | 141 | Gallen | Meelick | Swineford |
| Knockavrony | 170 | Gallen | Kildacommoge | Castlebar |
| Knockballagh | 104 | Burrishoole | Kilmeena | Westport |
| Knockbaun | 151 | Carra | Drum | Castlebar |
| Knockbaun | 161 | Clanmorris | Knock | Claremorris |
| Knockbaun | 306 | Carra | Islandeady | Castlebar |
| Knockbaun | 156 | Tirawley | Crossmolina | Ballina |
| Knockbeg | 56 | Kilmaine | Cong | Ballinrobe |
| Knockboha | 252 | Tirawley | Lackan | Killala |
| Knockboy | 146 | Carra | Drum | Castlebar |
| Knockboy | 109 | Burrishoole | Kilmeena | Westport |
| Knockboy | 37 | Burrishoole | Burrishoole | Newport |
| Knockbrack | 126 | Costello | Kilmovee | Swineford |
| Knockbrack | 410 | Tirawley | Crossmolina | Ballina |
| Knockbrack | 121 | Gallen | Kilconduff | Swineford |
| Knockbrack | 311 | Costello | Annagh | Claremorris |
| Knockbrack | 242 | Burrishoole | Aghagower | Westport |
| Knockbrack | 23 | Clanmorris | Tagheen | Claremorris |
| Knockbrack (or Trouthill) | 200 | Costello | Kilbeagh | Swineford |
| Knockbreaga | 146 | Burrishoole | Burrishoole | Newport |
| Knockcahillaun | 34 | Burrishoole | Kilmeena | Westport |
| Knockduff | 164 | Tirawley | Ardagh | Ballina |
| Knockeen | 249 | Murrisk | Kilgeever | Westport |
| Knockeeragh | 113 | Burrishoole | Burrishoole | Newport |
| Knockegan and Cloonagh Beg | 178 | Tirawley | Ardagh | Ballina |
| Knockfadda | 493 | Gallen | Killasser | Swineford |
| Knockfarnaght | 447 | Tirawley | Addergoole | Castlebar |
| Knockfelim | 66 | Burrishoole | Aghagower | Westport |
| Knockfereen | 84 | Kilmaine | Ballinrobe | Ballinrobe |
| Knockfin | 96 | Murrisk | Oughaval | Westport |
| Knockfree | 327 | Tirawley | Kilbelfad | Ballina |
| Knockglass | 325 | Tirawley | Crossmolina | Ballina |
| Knockglass | 311 | Kilmaine | Ballinrobe | Ballinrobe |
| Knockglass | 72 | Burrishoole | Burrishoole | Newport |
| Knockglass | 200 | Burrishoole | Kilmaclasser | Westport |
| Knocklahard | 221 | Kilmaine | Ballinrobe | Ballinrobe |
| Knocklehaugh | 270 | Tirawley | Kilmoremoy | Ballina |
| Knockloughra | 66 | Burrishoole | Burrishoole | Newport |
| Knockmanagh | 164 | Gallen | Killasser | Swineford |
| Knockmanus | 155 | Burrishoole | Burrishoole | Newport |
| Knockmaria (or Addergoole) | 227 | Tirawley | Addergoole | Castlebar |
| Knockmore | 631 | Tirawley | Ballynahaglish | Ballina |
| Knockmore Eighter | 114 | Carra | Manulla | Castlebar |
| Knockmore Oughter | 445 | Carra | Manulla | Castlebar |
| Knockmoyle | 94 | Burrishoole | Kilmeena | Newport |
| Knockmoyle | 3,799 | Tirawley | Kilfian | Killala |
| Knockmoyle | 506 | Burrishoole | Burrishoole | Newport |
| Knockmoyleen | 1,458 | Erris | Kilcommon | Newport |
| Knockmoyleen | 79 | Burrishoole | Kilmaclasser | Westport |
| Knockmoyleen | 152 | Carra | Ballintober | Castlebar |
| Knockmuinard | 162 | Burrishoole | Kilmaclasser | Westport |
| Knockmullin | 64 | Gallen | Killasser | Swineford |
| Knocknaboley | 315 | Burrishoole | Kilmeena | Newport |
| Knocknacroagha | 307 | Kilmaine | Ballinrobe | Ballinrobe |
| Knocknadrimna | 83 | Kilmaine | Ballinrobe | Ballinrobe |
| Knocknadrimna | 209 | Kilmaine | Robeen | Ballinrobe |
| Knocknaganny | 133 | Kilmaine | Kilcommon | Ballinrobe |
| Knocknageeha | 357 | Kilmaine | Kilmainebeg | Ballinrobe |
| Knocknageeha | 126 | Burrishoole | Burrishoole | Newport |
| Knocknageehy | 54 | Carra | Breaghwy | Castlebar |
| Knocknagon | 81 | Tirawley | Kilfian | Killala |
| Knocknagool | 150 | Carra | Ballyovey | Ballinrobe |
| Knocknagulshy | 240 | Kilmaine | Ballinrobe | Ballinrobe |
| Knocknahorna | 522 | Tirawley | Crossmolina | Ballina |
| Knocknakillew | 381 | Kilmaine | Ballinrobe | Ballinrobe |
| Knocknakillew | 95 | Gallen | Templemore | Castlebar |
| Knocknalina | 317 | Erris | Kilmore | Belmullet |
| Knocknalower | 760 | Erris | Kilcommon | Belmullet |
| Knocknamoghalaun | 196 | Clanmorris | Mayo | Castlebar |
| Knocknamucklagh | 355 | Kilmaine | Ballinchalla | Ballinrobe |
| Knocknapisha | 76 | Kilmaine | Kilmainebeg | Ballinrobe |
| Knocknaskeagh | 338 | Gallen | Killasser | Swineford |
| Knocknaskeagh | 638 | Gallen | Killedan | Swineford |
| Knocknatinnyweel | 144 | Burrishoole | Burrishoole | Newport |
| Knocknaveagh | 48 | Carra | Drum | Castlebar |
| Knockranny | 223 | Gallen | Kilconduff | Swineford |
| Knockranny | 183 | Murrisk | Oughaval | Westport |
| Knockrawer | 111 | Carra | Breaghwy | Castlebar |
| Knockrickard | 47 | Clanmorris | Tagheen | Claremorris |
| Knockrickard | 88 | Clanmorris | Mayo | Claremorris |
| Knockroe | 137 | Kilmaine | Kilmainebeg | Ballinrobe |
| Knockroe | 146 | Costello | Annagh | Claremorris |
| Knockroe | 368 | Kilmaine | Kilmainemore | Ballinrobe |
| Knockroe | 196 | Kilmaine | Kilmolara | Ballinrobe |
| Knockroe | 70 | Tirawley | Templemurry | Killala |
| Knockroe | 116 | Clanmorris | Knock | Claremorris |
| Knockroe | 582 | Clanmorris | Mayo | Claremorris |
| Knockroosky | 300 | Burrishoole | Aghagower | Westport |
| Knocks | 223 | Gallen | Killasser | Swineford |
| Knocksaxon | 551 | Gallen | Templemore | Castlebar |
| Knocksbarrett | 147 | Tirawley | Kilmoremoy | Ballina |
| Knockshanbally | 291 | Gallen | Templemore | Castlebar |
| Knockshanbo | 372 | Erris | Kilmore | Belmullet |
| Knockthomas | 201 | Carra | Aglish | Castlebar |
| Knockychottaun | 208 | Burrishoole | Kilmeena | Westport |
| Knockysprickaun | 128 | Burrishoole | Kilmeena | Westport |
| Lack East | 273 | Carra | Turlough | Castlebar |
| Lack West | 232 | Carra | Turlough | Castlebar |
| Lackafinna | 403 | Kilmaine | Cong | Ballinrobe |
| Lackakeely | 98 | Murrisk | Kilgeever | Westport |
| Lackalustraun | 807 | Tirawley | Crossmolina | Ballina |
| Lackanhill | 125 | Tirawley | Lackan | Killala |
| Lackaun | 188 | Kilmaine | Ballinchalla | Ballinrobe |
| Lackaun | 338 | Burrishoole | Aghagower | Westport |
| Lackderg | 181 | Murrisk | Aghagower | Westport |
| Lady\'s Island | 1 | Carra | Ballintober | Castlebar |
| Lagakilleen | 56 | Carra | Drum | Castlebar |
| Lagcurragh | 681 | Gallen | Kilconduff | Swineford |
| Lagduff Beg | 419 | Erris | Kilcommon | Newport |
| Lagduff More | 1,028 | Erris | Kilcommon | Newport |
| Laghloon | 484 | Murrisk | Aghagower | Westport |
| Laghta Eighter | 1,675 | Murrisk | Kilgeever | Westport |
| Laghta Oughter | 3,660 | Murrisk | Kilgeever | Westport |
| Laghtadawannagh | 185 | Tirawley | Kilmoremoy | Ballina |
| Laghtanvack | 2,177 | Tirawley | Moygawnagh | Killala |
| Laghtavarry | 404 | Gallen | Kildacommoge | Castlebar |
| Laghtmacdurkan | 511 | Gallen | Meelick | Swineford |
| Laghtmurragha | 1,269 | Erris | Kilcommon | Belmullet |
| Lagnamuck | 173 | Clanmorris | Balla | Castlebar |
| Lagnavaddoge | 35 | Carra | Aglish | Castlebar |
| Lahardaun | 461 | Tirawley | Addergoole | Castlebar |
| Lakefield Lower | 197 | Carra | Manulla | Castlebar |
| Lakeland Upper | 197 | Carra | Manulla | Castlebar |
| Lakill | 416 | Gallen | Templemore | Castlebar |
| Lankill | 253 | Murrisk | Aghagower | Westport |
| Lanmore | 1,131 | Murrisk | Aghagower | Westport |
| Lappallagh | 1,569 | Carra | Islandeady | Westport |
| Laralae | 145 | Costello | Aghamore | Swineford |
| Largan | 426 | Carra | Turlough | Castlebar |
| Largan | 103 | Costello | Annagh | Claremorris |
| Largan | 200 | Gallen | Killedan | Swineford |
| Largan | 829 | Costello | Kilcolman | Castlereagh |
| Largan Beg | 421 | Erris | Kilcommon | Belmullet |
| Largan More | 1,675 | Erris | Kilcommon | Belmullet |
| Larganboy East | 465 | Costello | Bekan | Claremorris |
| Larganboy West | 385 | Costello | Bekan | Claremorris |
| Larganmore | 898 | Gallen | Killasser | Swineford |
| Lassanny | 87 | Costello | Bekan | Claremorris |
| Laughil | 320 | Tirawley | Crossmolina | Ballina |
| Laughil | 226 | Carra | Turlough | Castlebar |
| Lauvlyer | 261 | Tirawley | Ballysakeery | Ballina |
| Lavy Beg | 302 | Costello | Kilbeagh | Swineford |
| Lavy More | 630 | Costello | Kilbeagh | Swineford |
| Lawarren | 20 | Carra | Burriscarra | Ballinrobe |
| Lawaus | 149 | Kilmaine | Ballinchalla | Ballinrobe |
| Lawaus | 426 | Clanmorris | Crossboyne | Claremorris |
| Leadymore | 61 | Tirawley | Killala | Killala |
| Leam | 262 | Erris | Kilmore | Belmullet |
| Leamadartaun | 890 | Tirawley | Crossmolina | Ballina |
| Leamareha Island | 3 | Erris | Kilmore | Belmullet |
| Leamnahye Island | 3 | Carra | Ballyovey | Ballinrobe |
| Lecarrow | 401 | Burrishoole | Burrishoole | Newport |
| Lecarrow | 276 | Tirawley | Crossmolina | Ballina |
| Lecarrow | 515 | Costello | Annagh | Claremorris |
| Lecarrow | 83 | Tirawley | Addergoole | Castlebar |
| Lecarrow | 107 | Tirawley | Ballysakeery | Ballina |
| Lecarrow | 74 | Carra | Kildacommoge | Castlebar |
| Lecarrow | 255 | Kilmaine | Kilcommon | Ballinrobe |
| Lecarrow | 434 | Costello | Kilbeagh | Swineford |
| Lecarrow | 50 | Carra | Drum | Castlebar |
| Lecarrow | 594 | Murrisk | Kilgeever | Westport |
| Lecarrow | 69 | Kilmaine | Kilmainemore | Ballinrobe |
| Lecarrow | 352 | Costello | Knock | Claremorris |
| Lecarrow | 157 | Gallen | Meelick | Swineford |
| Lecarrowcloghagh | 104 | Tirawley | Crossmolina | Ballina |
| Lecarrowkilleen | 246 | Kilmaine | Cong | Ballinrobe |
| Lecarrowntemple | 237 | Tirawley | Lackan | Killala |
| Lecarrownwaddy | 127 | Tirawley | Moygawnagh | Killala |
| Lecarrowwanteean | 173 | Tirawley | Rathreagh | Killala |
| Leckanvy | 786 | Murrisk | Oughaval | Westport |
| Leckee | 402 | Gallen | Toomore | Swineford |
| Leckneen | 132 | Carra | Turlough | Castlebar |
| Lecky Rocks | 11 | Murrisk | Inishbofin | Clifden |
| Leedaun | 97 | Clanmorris | Crossboyne | Claremorris |
| Leenavesta | 905 | Murrisk | Oughaval | Westport |
| Legan | 113 | Murrisk | Kilgeever | Westport |
| Legaturrin | 138 | Clanmorris | Balla | Castlebar |
| Legaun | 175 | Clanmorris | Balla | Castlebar |
| Lehanagh | 169 | Clanmorris | Mayo | Ballinrobe |
| Lehinch Demesne | 595 | Kilmaine | Kilcommon | Ballinrobe |
| Lenacraigaboy | 230 | Murrisk | Oughaval | Westport |
| Lenamore | 167 | Costello | Bekan | Claremorris |
| Lenanaboll | 86 | Clanmorris | Tagheen | Claremorris |
| Lenanadurtaun | 67 | Erris | Kilcommon | Belmullet |
| Lenanadurtaun | 1,066 | Murrisk | Oughaval | Westport |
| Lenanasillagh | 292 | Carra | Islandeady | Castlebar |
| Lenanavea | 875 | Carra | Aglish | Castlebar |
| Lenarevagh | 2,344 | Erris | Kilcommon | Belmullet |
| Leo | 387 | Costello | Annagh | Claremorris |
| Lessanny | 191 | Tirawley | Moygawnagh | Killala |
| Letter | 875 | Burrishoole | Islandeady | Westport |
| Lettera | 2,981 | Erris | Kilcommon | Newport |
| Letterass | 2,059 | Murrisk | Aghagower | Westport |
| Letterass Island | 1 | Murrisk | Aghagower | Westport |
| Letterbeg | 179 | Erris | Kilmore | Belmullet |
| Letterbrick | 1,149 | Tirawley | Crossmolina | Ballina |
| Letterbrock | 1,081 | Murrisk | Aghagower | Westport |
| Lettereeragh | 1,405 | Murrisk | Kilgeever | Westport |
| Letterkeeghaun | 1,254 | Tirawley | Addergoole | Castlebar |
| Letterkeen | 3,032 | Burrishoole | Burrishoole | Newport |
| Letterlough | 326 | Burrishoole | Burrishoole | Newport |
| Lettermaghera North | 1,160 | Burrishoole | Burrishoole | Newport |
| Lettermaghera South | 914 | Burrishoole | Burrishoole | Newport |
| Lettermaglinskin | 1,059 | Murrisk | Aghagower | Westport |
| Letterneevoge | 516 | Tirawley | Crossmolina | Ballina |
| Lettertrask | 1,350 | Tirawley | Crossmolina | Ballina |
| Levallinree | 355 | Carra | Turlough | Castlebar |
| Levally | 331 | Kilmaine | Ballinrobe | Ballinrobe |
| Levally | 241 | Tirawley | Addergoole | Castlebar |
| Levallyroe | 887 | Costello | Annagh | Claremorris |
| Levallyroe | 266 | Clanmorris | Kilvine | Claremorris |
| Leveelick | 193 | Costello | Kilmovee | Swineford |
| Lightford | 77 | Carra | Breaghwy | Castlebar |
| Lisbaun | 102 | Gallen | Meelick | Swineford |
| Lisbaun | 64 | Clanmorris | Kilcolman | Claremorris |
| Lisbaun East | 93 | Costello | Bekan | Claremorris |
| Lisbaun West | 30 | Costello | Bekan | Claremorris |
| Lisblowick | 168 | Carra | Drum | Castlebar |
| Lisbrin | 104 | Tirawley | Doonfeeny | Killala |
| Lisbrogan | 119 | Gallen | Meelick | Swineford |
| Liscarney | 393 | Murrisk | Aghagower | Westport |
| Liscat | 419 | Costello | Aghamore | Claremorris |
| Lisclovaun | 98 | Burrishoole | Kilmeena | Westport |
| Liscluman | 152 | Costello | Bekan | Claremorris |
| Liscosker | 160 | Costello | Aghamore | Swineford |
| Liscottle | 119 | Gallen | Kilconduff | Swineford |
| Liscromwell | 259 | Carra | Aglish | Castlebar |
| Liscunnell | 149 | Carra | Ballyhean | Castlebar |
| Lisduff | 159 | Costello | Annagh | Claremorris |
| Lisduff | 26 | Burrishoole | Burrishoole | Newport |
| Lisduff | 287 | Gallen | Killedan | Swineford |
| Lisduff | 360 | Clanmorris | Crossboyne | Claremorris |
| Lisduff | 228 | Clanmorris | Kilcolman | Claremorris |
| Lisduff | 66 | Kilmaine | Kilmainemore | Ballinrobe |
| Lisduff | 216 | Gallen | Meelick | Swineford |
| Lisdurraun | 151 | Gallen | Meelick | Swineford |
| Lisduvoge | 295 | Tirawley | Kilbelfad | Ballina |
| Lisglennon | 361 | Tirawley | Ballysakeery | Ballina |
| Lisgormin | 184 | Gallen | Bohola | Swineford |
| Lisgowel | 167 | Carra | Breaghwy | Castlebar |
| Lisheenabrone | 493 | Gallen | Meelick | Swineford |
| Lisheenaveelish | 25 | Carra | Ballyhean | Castlebar |
| Lisheenielagaun | 122 | Kilmaine | Moorgagagh | Ballinrobe |
| Lisheenmanus | 80 | Kilmaine | Kilcommon | Ballinrobe |
| Liskilleen | 543 | Kilmaine | Ballinrobe | Ballinrobe |
| Lislackagh | 160 | Gallen | Meelick | Swineford |
| Lislaughera | 243 | Kilmaine | Cong | Ballinrobe |
| Lislaughna | 291 | Gallen | Killasser | Swineford |
| Lismaganshion | 128 | Costello | Aghamore | Swineford |
| Lismeegaun | 250 | Costello | Aghamore | Swineford |
| Lismiraun | 326 | Gallen | Bohola | Swineford |
| Lismolin | 100 | Burrishoole | Islandeady | Westport |
| Lismoran | 439 | Gallen | Killasser | Swineford |
| Lismurrew | 209 | Clanmorris | Kilcolman | Claremorris |
| Lisnaboley | 49 | Clanmorris | Kilcolman | Claremorris |
| Lisnacurley | 136 | Carra | Ballyhean | Castlebar |
| Lisnageeha (or Antigua) | 157 | Carra | Aglish | Castlebar |
| Lisnagross | 192 | Costello | Aghamore | Swineford |
| Lisnakirka (or Milebush) | 214 | Carra | Aglish | Castlebar |
| Lisnamaneeagh | 115 | Gallen | Killedan | Swineford |
| Lisnamoyle | 167 | Kilmaine | Kilcommon | Ballinrobe |
| Lisnaponra North | 155 | Carra | Ballyhean | Castlebar |
| Lisnaponra South | 91 | Carra | Ballyhean | Castlebar |
| Lisnaran | 111 | Carra | Breaghwy | Castlebar |
| Lisnolan | 338 | Carra | Manulla | Castlebar |
| Lispatrick | 37 | Costello | Knock | Claremorris |
| Lisrobert | 64 | Clanmorris | Tagheen | Claremorris |
| Lisrobert | 214 | Carra | Drum | Castlebar |
| Lissadrone East | 240 | Tirawley | Lackan | Killala |
| Lissadrone West | 322 | Tirawley | Lackan | Killala |
| Lissalacaun | 132 | Carra | Drum | Castlebar |
| Lissaniska | 257 | Kilmaine | Robeen | Ballinrobe |
| Lissaniska | 168 | Carra | Drum | Castlebar |
| Lissaniska | 357 | Carra | Kildacommoge | Castlebar |
| Lissaniska | 826 | Costello | Bekan | Claremorris |
| Lissaniska | 72 | Gallen | Bohola | Swineford |
| Lissaniska East | 353 | Tirawley | Ballynahaglish | Ballina |
| Lissaniska West | 363 | Tirawley | Ballynahaglish | Ballina |
| Lissanisky | 311 | Kilmaine | Ballinrobe | Ballinrobe |
| Lissanumera | 97 | Gallen | Kilconduff | Swineford |
| Lissard More | 117 | Gallen | Kilgarvan | Ballina |
| Lissatava | 692 | Kilmaine | Kilcommon | Ballinrobe |
| Lisseveleen & Skeheen | 92 | Kilmaine | Robeen | Ballinrobe |
| Lissymulgee | 228 | Costello | Kilbeagh | Swineford |
| Listernan | 134 | Gallen | Killasser | Swineford |
| Listrisnan | 198 | Gallen | Bohola | Swineford |
| Long Island | 13 | Carra | Ballyovey | Ballinrobe |
| Longfield | 156 | Gallen | Templemore | Castlebar |
| Longford | 155 | Tirawley | Crossmolina | Ballina |
| Loobnamuck | 139 | Gallen | Killasser | Swineford |
| Loona Beg | 214 | Carra | Drum | Castlebar |
| Loona More | 290 | Carra | Drum | Castlebar |
| Loosky Island | 2 | Carra | Turlough | Castlebar |
| Loughanaganky | 133 | Kilmaine | Ballinchalla | Ballinrobe |
| Loughanboy | 177 | Kilmaine | Kilmainemore | Ballinrobe |
| Loughanboy | 188 | Costello | Bekan | Claremorris |
| Loughaunnaman | 223 | Clanmorris | Kilcolman | Claremorris |
| Loughnahelly | 478 | Erris | Kilcommon | Belmullet |
| Loughnamucka | 691 | Murrisk | Kilgeever | Westport |
| Loughpark | 82 | Carra | Rosslee | Castlebar |
| Loughrusheen | 426 | Carra | Aglish | Castlebar |
| Louisburgh | Town | Murrisk | Kilgeever | Westport |
| Low Island | 1 | Carra | Islandeady | Castlebar |
| Lowpark | 285 | Costello | Kilbeagh | Swineford |
| Luffertaun | 136 | Carra | Ballintober | Castlebar |
| Lugalisheen North | 190 | Clanmorris | Crossboyne | Claremorris |
| Lugalisheen South | 131 | Clanmorris | Crossboyne | Claremorris |
| Lugaphuill | 215 | Carra | Drum | Castlebar |
| Lugaphuill | 250 | Carra | Ballyhean | Castlebar |
| Lugatallin | 140 | Kilmaine | Kilcommon | Ballinrobe |
| Lugatemple | 206 | Clanmorris | Kilcolman | Claremorris |
| Lugboy Demesne | 244 | Costello | Annagh | Claremorris |
| Lugbrack | 52 | Costello | Aghamore | Swineford |
| Lugganashlere | 181 | Carra | Turlough | Castlebar |
| Lugnafahy | 110 | Burrishoole | Kilmaclasser | Westport |
| Lugnalettin | 1,704 | Tirawley | Doonfeeny | Killala |
| Lugnavaddoge | 173 | Carra | Turlough | Castlebar |
| Lugrevagh | 64 | Burrishoole | Aghagower | Westport |
| Lung | 855 | Costello | Castlemore | Castlereagh |
| Lurga Lower | 452 | Costello | Kilbeagh | Swineford |
| Lurga Upper | 632 | Costello | Kilbeagh | Swineford |
| Lurgacloy | 274 | Erris | Kilmore | Belmullet |
| Lurgan | 318 | Costello | Aghamore | Swineford |
| Lurgan | 305 | Costello | Annagh | Claremorris |
| Lurgan | 339 | Costello | Bekan | Claremorris |
| Lurgandarragh | 1,176 | Erris | Kilcommon | Newport |
| Lynchsacres | 61 | Kilmaine | Robeen | Ballinrobe |
| Mace Lower | 511 | Clanmorris | Kilcolman | Claremorris |
| Mace Middle | 377 | Clanmorris | Kilcolman | Claremorris |
| Mace North | 181 | Burrishoole | Aghagower | Westport |
| Mace South | 352 | Burrishoole | Aghagower | Westport |
| Mace Upper | 356 | Clanmorris | Kilcolman | Claremorris |
| Macecrump | 144 | Erris | Kilmore | Belmullet |
| Macecrump Common | 25 | Erris | Kilmore | Belmullet |
| Magheraboy | 516 | Costello | Kilmovee | Swineford |
| Magheraboy | 105 | Gallen | Killasser | Swineford |
| Magheraboy | 176 | Costello | Kilcolman | Castlereagh |
| Magheraboy | 110 | Clanmorris | Kilcolman | Claremorris |
| Magherabrack | 126 | Tirawley | Ballysakeery | Ballina |
| Magherafadda | 174 | Carra | Ballyhean | Castlebar |
| Magheramore | 522 | Costello | Knock | Claremorris |
| Magheranagay | 110 | Carra | Ballyhean | Castlebar |
| Mahanagh | 126 | Burrishoole | Aghagower | Westport |
| Mallaranny | 1,085 | Burrishoole | Burrishoole | Newport |
| Mallaroe | 101 | Kilmaine | Kilcommon | Ballinrobe |
| Maltpool | 249 | Clanmorris | Tagheen | Claremorris |
| Mannin | 274 | Costello | Aghamore | Swineford |
| Manraghrory | 157 | Erris | Kilmore | Belmullet |
| Manulla | Town | Carra | Manulla | Castlebar |
| Manulla | 194 | Carra | Manulla | Castlebar |
| Massbrook Lower | 765 | Tirawley | Addergoole | Castlebar |
| Massbrook South | 723 | Tirawley | Addergoole | Castlebar |
| Massbrook Upper | 677 | Tirawley | Addergoole | Castlebar |
| Maum | 104 | Murrisk | Kilgeever | Westport |
| Maumaratta | 2,796 | Erris | Kilcommon | Newport |
| Maumeen | 273 | Carra | Ballintober | Castlebar |
| Maumnaman | 569 | Burrishoole | Achill | Newport |
| Mauteoge | 103 | Tirawley | Crossmolina | Ballina |
| Mayfield | 302 | Clanmorris | Crossboyne | Claremorris |
| Mayo Parks | 80 | Clanmorris | Mayo | Claremorris |
| Meelick | 448 | Clanmorris | Crossboyne | Claremorris |
| Meelick | 208 | Carra | Turlough | Castlebar |
| Meelick | 207 | Tirawley | Killala | Killala |
| Meelick | 122 | Gallen | Meelick | Swineford |
| Meelick Beg | 80 | Clanmorris | Kilcolman | Claremorris |
| Meelick More | 305 | Clanmorris | Kilcolman | Claremorris |
| Meeltran | 325 | Costello | Aghamore | Claremorris |
| Meennacloghfinny | 1,337 | Burrishoole | Burrishoole | Newport |
| Meermihil | 51 | Murrisk | Oughaval | Westport |
| Meneen | 154 | Burrishoole | Aghagower | Westport |
| Middlequarter | 612 | Murrisk | Inishbofin | Clifden |
| Middletown | 134 | Carra | Kildacommoge | Castlebar |
| Midgefield (or Tawnynameeltoge) | 209 | Murrisk | Aghagower | Westport |
| Milcum | 79 | Burrishoole | Burrishoole | Newport |
| Milebush (or Lisnakirka) | 214 | Carra | Aglish | Castlebar |
| Milford Demesne | 460 | Kilmaine | Kilmainemore | Ballinrobe |
| Millbrook | 43 | Clanmorris | Crossboyne | Claremorris |
| Millerhill | 116 | Carra | Ballintober | Castlebar |
| Moat | 210 | Clanmorris | Balla | Castlebar |
| Moat | 251 | Costello | Annagh | Claremorris |
| Moat | 339 | Carra | Ballintober | Castlebar |
| Mocollagan | 185 | Kilmaine | Shrule | Ballinrobe |
| Mocorha | 603 | Kilmaine | Shrule | Ballinrobe |
| Monagarraun | 492 | Carra | Islandeady | Castlebar |
| Monamore | 101 | Murrisk | Aghagower | Westport |
| Monard | 82 | Clanmorris | Mayo | Castlebar |
| Moneen | 101 | Tirawley | Rathreagh | Killala |
| Moneen | 154 | Murrisk | Kilgeever | Westport |
| Moneenbradagh | 136 | Carra | Aglish | Castlebar |
| Money | 215 | Burrishoole | Kilmeena | Westport |
| Moneybeg Island | 9 | Burrishoole | Kilmeena | Westport |
| Moneymore | 202 | Costello | Annagh | Claremorris |
| Moneynierin | 1,431 | Tirawley | Crossmolina | Ballina |
| Monumentpark | 66 | Carra | Turlough | Castlebar |
| Moorbrook | 281 | Gallen | Toomore | Swineford |
| Moorehall (or Muckloon) | 130 | Carra | Burriscarra | Ballinrobe |
| Moorgagagh | 101 | Kilmaine | Moorgagagh | Ballinrobe |
| Mossbrook | 371 | Clanmorris | Mayo | Claremorris |
| Mountain | 221 | Costello | Bekan | Claremorris |
| Mountain Common | 290 | Murrisk | Kilgeever | Westport |
| Mountaincommon | 942 | Costello | Aghamore | Swineford |
| Mountbrown | 304 | Burrishoole | Aghagower | Westport |
| Mountgregory | 109 | Carra | Aglish | Castlebar |
| Mounthenry | 235 | Kilmaine | Shrule | Ballinrobe |
| Mountpleasant | 117 | Carra | Touaghty | Ballinrobe |
| Moyhastin | 398 | Burrishoole | Aghagower | Westport |
| Moyhenna | 162 | Carra | Kildacommoge | Castlebar |
| Moylanboy | 1 | Murrisk | Inishbofin | Clifden |
| Moyna | 193 | Burrishoole | Kilmeena | Westport |
| Moyne | 394 | Tirawley | Killala | Killala |
| Moyne | 880 | Kilmaine | Shrule | Ballinrobe |
| Moynish More | 61 | Burrishoole | Burrishoole | Newport |
| Moyny | 217 | Tirawley | Kilbride | Killala |
| Moyour | 225 | Burrishoole | Kilmeena | Westport |
| Moyrahan | 990 | Erris | Kilmore | Belmullet |
| Muckanagh | 1,053 | Carra | Islandeady | Castlebar |
| Muckanagh | 698 | Carra | Turlough | Castlebar |
| Muckinish | 25 | Burrishoole | Burrishoole | Newport |
| Mucklagh | 101 | Burrishoole | Kilmeena | Westport |
| Muckloon (or Moorehall) | 130 | Carra | Burriscarra | Ballinrobe |
| Muckrussaun | 249 | Kilmaine | Ballinchalla | Ballinrobe |
| Muingaghel | 2,140 | Erris | Kilcommon | Belmullet |
| Muinganierin | 1,027 | Tirawley | Doonfeeny | Killala |
| Muingatogher | 1,129 | Murrisk | Oughaval | Westport |
| Muingelly | 311 | Tirawley | Doonfeeny | Killala |
| Muingerroon North | 153 | Erris | Kilcommon | Belmullet |
| Muingerroon South | 1,453 | Erris | Kilcommon | Belmullet |
| Muingingaun | 2,190 | Erris | Kilcommon | Belmullet |
| Muingmore | 2,227 | Erris | Kilcommon | Belmullet |
| Muingnabo | 2,991 | Erris | Kilcommon | Belmullet |
| Muingnahalloona | 1,599 | Erris | Kilcommon | Belmullet |
| Muingnanarnad | 1,058 | Erris | Kilcommon | Belmullet |
| Muingrevagh | 198 | Tirawley | Kilbride | Killala |
| Muings | 914 | Erris | Kilcommon | Belmullet |
| Mullafarry | 322 | Tirawley | Ballysakeery | Ballina |
| Mullagh | 339 | Murrisk | Oughaval | Westport |
| Mullaghawny | 555 | Gallen | Attymass | Ballina |
| Mullaghroe | 336 | Erris | Kilmore | Belmullet |
| Mullaun | 50 | Burrishoole | Burrishoole | Newport |
| Mullauns | 63 | Tirawley | Kilmoremoy | Ballina |
| Mullenmadoge | 332 | Costello | Kilbeagh | Swineford |
| Mullenmmore North | 251 | Tirawley | Crossmolina | Ballina |
| Mullenmmore South | 245 | Tirawley | Crossmolina | Ballina |
| Mungaun | 949 | Tirawley | Crossmolina | Ballina |
| Munnadesha | 105 | Kilmaine | Kilmolara | Ballinrobe |
| Murneen North | 737 | Clanmorris | Kilcolman | Claremorris |
| Murneen South | 393 | Clanmorris | Kilcolman | Claremorris |
| Murrevagh | 1,014 | Burrishoole | Burrishoole | Newport |
| Murrisk Demesne | 33 | Murrisk | Oughaval | Westport |
| Murrisknaboll | 87 | Murrisk | Oughaval | Westport |
| Musicfield | 76 | Kilmaine | Kilmainemore | Ballinrobe |
| Mweelawn Island | 4 | Murrisk | Kilgeever | Westport |
| Mweelin | 765 | Murrisk | Kilgeever | Westport |
| Mweelin | 1,444 | Burrishoole | Achill | Newport |
| Mweelis | 127 | Kilmaine | Kilmainemore | Ballinrobe |
| Mweewillin | 1,284 | Burrishoole | Achill | Newport |
| Mylesestate | 44 | Kilmaine | Kilmainemore | Ballinrobe |
| Nakil (or Surgeview) | 221 | Erris | Kilmore | Belmullet |
| Nealepark | 444 | Kilmaine | Kilmolara | Ballinrobe |
| Newantrim | 206 | Carra | Aglish | Castlebar |
| Newcastle | 438 | Gallen | Meelick | Swineford |
| Newfield | 151 | Burrishoole | Burrishoole | Newport |
| Newpark | 468 | Gallen | Kilconduff | Swineford |
| Newport | Town | Burrishoole | Burrishoole | Newport |
| Newport | 69 | Burrishoole | Burrishoole | Newport |
| Newtown | 517 | Carra | Ballyovey | Ballinrobe |
| Newtown | 494 | Erris | Kilmore | Belmullet |
| Newtown | 290 | Tirawley | Kilbelfad | Ballina |
| Newtown | 475 | Carra | Burriscarra | Castlebar |
| Newtown Dillon | Town | Costello | Kilbeagh | Swineford |
| Newtown North | 84 | Clanmorris | Crossboyne | Claremorris |
| Newtown South | 191 | Clanmorris | Crossboyne | Claremorris |
| Newtownwhite | 328 | Tirawley | Ballysakeery | Ballina |
| Nure | 70 | Tirawley | Ardagh | Ballina |
| Nymphsfield | 192 | Kilmaine | Cong | Ballinrobe |
| Oghillees | 842 | Burrishoole | Burrishoole | Newport |
| Oldcastle | 270 | Gallen | Meelick | Swineford |
| Oldhead | 244 | Murrisk | Kilgeever | Westport |
| Oory | 455 | Clanmorris | Tagheen | Claremorris |
| Oughtagh | 291 | Gallen | Templemore | Castlebar |
| Oughterard (or Caurans Upper) | 119 | Carra | Turlough | Castlebar |
| Oughty | 1,277 | Murrisk | Oughaval | Westport |
| Oultauns | 203 | Kilmaine | Kilcommon | Ballinrobe |
| Owenanirragh | 1,413 | Erris | Kilcommon | Belmullet |
| Owenboy | 1,239 | Tirawley | Crossmolina | Ballina |
| Owenduff | 2,023 | Burrishoole | Achill | Newport |
| Owenduff | 2,138 | Erris | Kilcommon | Newport |
| Owenglass | 1,306 | Erris | Kilcommon | Newport |
| Owenwee | 1,561 | Murrisk | Oughaval | Westport |
| Ox Island | 1 | Murrisk | Inishbofin | Clifden |
| Oxford | 319 | Gallen | Killedan | Swineford |
| Park | 183 | Carra | Turlough | Castlebar |
| Park | 102 | Costello | Kilbeagh | Swineford |
| Parkatleva | 72 | Clanmorris | Kilcolman | Claremorris |
| Parkboy | 35 | Carra | Ballyhean | Castlebar |
| Parknakillew | 227 | Clanmorris | Tagheen | Claremorris |
| Parknashingaun | 31 | Carra | Rosslee | Castlebar |
| Parks | 439 | Carra | Touaghty | Ballinrobe |
| Pattenspark | 137 | Costello | Annagh | Claremorris |
| Peenoge | 103 | Carra | Rosslee | Castlebar |
| Pheasanthill | 149 | Carra | Aglish | Castlebar |
| Pig Island | 6 | Erris | Kilcommon | Belmullet |
| Pig Island | 5 | Carra | Ballyovey | Ballinrobe |
| Pollacappul | 110 | Costello | Annagh | Claremorris |
| Pollacappul | 415 | Erris | Kilmore | Belmullet |
| Polladoohy | 461 | Tirawley | Crossmolina | Ballina |
| Pollagarraun | 523 | Erris | Kilcommon | Belmullet |
| Pollagh | 320 | Gallen | Templemore | Castlebar |
| Pollalena | 74 | Carra | Drum | Castlebar |
| Pollanaskan | 186 | Carra | Breaghwy | Castlebar |
| Pollaniska | 78 | Clanmorris | Crossboyne | Claremorris |
| Pollanoughty | 916 | Murrisk | Oughaval | Westport |
| Pollatomich (or Kilcommon) | 672 | Erris | Kilcommon | Belmullet |
| Pollavaddy | 388 | Clanmorris | Balla | Castlebar |
| Pollawaddy | 47 | Clanmorris | Mayo | Claremorris |
| Pollawaddy | 160 | Carra | Ballintober | Castlebar |
| Pollawarla | 482 | Tirawley | Addergoole | Castlebar |
| Pollaweela | 207 | Kilmaine | Kilcommon | Ballinrobe |
| Pollbaun | 320 | Kilmaine | Kilcommon | Ballinrobe |
| Pollboy | 192 | Erris | Kilcommon | Belmullet |
| Pollboy | 170 | Costello | Castlemore | Castlereagh |
| Polldrian | 164 | Clanmorris | Tagheen | Claremorris |
| Pollnabunny | 155 | Kilmaine | Kilmainebeg | Ballinrobe |
| Pollnacartan | 23 | Kilmaine | Kilcommon | Ballinrobe |
| Pollnacroaghy | 79 | Costello | Bekan | Claremorris |
| Pollnagawna | 204 | Gallen | Meelick | Swineford |
| Pollnasillagh | 115 | Clanmorris | Crossboyne | Claremorris |
| Pollraddy | 147 | Kilmaine | Kilcommon | Ballinrobe |
| Pollranny (Lynchaghan) | 897 | Burrishoole | Achill | Newport |
| Pollranny (Sweeny) | 1,104 | Burrishoole | Achill | Newport |
| Pollronahan Beg | 79 | Gallen | Killedan | Swineford |
| Pollronahan More | 236 | Gallen | Killedan | Swineford |
| Pollsharvoge | 365 | Gallen | Meelick | Swineford |
| Port Island | 20 | Murrisk | Inishbofin | Clifden |
| Portacloy | 922 | Erris | Kilcommon | Belmullet |
| Portagh | 326 | Clanmorris | Mayo | Claremorris |
| Portroyal | 443 | Carra | Ballyovey | Ballinrobe |
| Porturlin | 2,120 | Erris | Kilcommon | Belmullet |
| Prebaun | 258 | Gallen | Killasser | Swineford |
| Prison East | 181 | Carra | Manulla | Castlebar |
| Prison North | 340 | Carra | Manulla | Castlebar |
| Prison South | 254 | Carra | Manulla | Castlebar |
| Prospect | 144 | Tirawley | Crossmolina | Ballina |
| Prughlish | 433 | Tirawley | Addergoole | Castlebar |
| Puntabeg | 153 | Costello | Kilbeagh | Swineford |
| Purrauns | 547 | Kilmaine | Kilcommon | Ballinrobe |
| Quinsheen Island | 2 | Burrishoole | Kilmeena | Westport |
| Rabaun | 229 | Gallen | Meelick | Swineford |
| Rabbit Island | 1 | Kilmaine | Cong | Ballinrobe |
| Rabbit Island | 14 | Burrishoole | Burrishoole | Newport |
| Rabbit Island | 20 | Burrishoole | Kilmeena | Westport |
| Rabbit Island | 1 | Kilmaine | Cong | Ballinrobe |
| Rahans | 237 | Tirawley | Ballynahaglish | Ballina |
| Rahard | 305 | Kilmaine | Robeen | Ballinrobe |
| Rahard | 151 | Kilmaine | Kilcommon | Ballinrobe |
| Rahard | 254 | Kilmaine | Ballinrobe | Ballinrobe |
| Raheen Barr | 594 | Carra | Islandeady | Castlebar |
| Raheenabbeyland | 84 | Kilmaine | Robeen | Ballinrobe |
| Raheenduff | 88 | Carra | Burriscarra | Ballinrobe |
| Raheenroe | 43 | Tirawley | Kilfian | Killala |
| Raheens | 290 | Carra | Islandeady | Castlebar |
| Raheens | 145 | Tirawley | Ballysakeery | Ballina |
| Raherolus | 239 | Costello | Kilmovee | Swineford |
| Raigh | 435 | Murrisk | Aghagower | Westport |
| Raigh | 84 | Burrishoole | Burrishoole | Newport |
| Raish | 86 | Tirawley | Kilmoremoy | Ballina |
| Ramolin | 620 | Kilmaine | Shrule | Ballinrobe |
| Ranaghy | 274 | Burrishoole | Islandeady | Westport |
| Ranagissaun | 287 | Costello | Kilmovee | Swineford |
| Ranaranny | 167 | Costello | Kilbeagh | Swineford |
| Ranns | 128 | Carra | Ballintober | Castlebar |
| Rappacastle | 288 | Tirawley | Ardagh | Ballina |
| Rassakeeran | 78 | Burrishoole | Kilmeena | Westport |
| Rassaraun | 42 | Clanmorris | Tagheen | Claremorris |
| Rath | 659 | Costello | Aghamore | Swineford |
| Rathavisteen | 1,735 | Tirawley | Doonfeeny | Killala |
| Rathbal | 833 | Tirawley | Ballysakeery | Ballina |
| Rathbaun | 20 | Tirawley | Rathreagh | Killala |
| Rathbaun | 211 | Tirawley | Templemurry | Killala |
| Rathbaun | 391 | Tirawley | Ballynahaglish | Ballina |
| Rathbaun | 131 | Carra | Aglish | Castlebar |
| Rathbaun | 239 | Tirawley | Kilbelfad | Ballina |
| Rathcarreen | 116 | Kilmaine | Ballinrobe | Ballinrobe |
| Rathcash | 324 | Tirawley | Killala | Killala |
| Rathduff | 431 | Clanmorris | Balla | Castlebar |
| Rathduff | 193 | Clanmorris | Mayo | Castlebar |
| Rathduff | 262 | Tirawley | Kilbelfad | Ballina |
| Ratheskin | 612 | Tirawley | Kilfian | Killala |
| Rathfran | 295 | Tirawley | Templemurry | Killala |
| Rathfranpark | 127 | Tirawley | Templemurry | Killala |
| Rathglass | 111 | Tirawley | Kilfian | Ballina |
| Rathglass East | 158 | Tirawley | Ballysakeery | Ballina |
| Rathglass West | 158 | Tirawley | Ballysakeery | Ballina |
| Rathgranagher | Town | Kilmaine | Kilmainemore | Ballinrobe |
| Rathgranagher (Lindsay) | 277 | Kilmaine | Kilmainemore | Ballinrobe |
| Rathgranagher (Miller) | 672 | Kilmaine | Kilmainemore | Ballinrobe |
| Rathkelly | 181 | Kilmaine | Ballinrobe | Ballinrobe |
| Rathlackan | Town | Tirawley | Kilcummin | Killala |
| Rathlackan | 642 | Tirawley | Kilcummin | Killala |
| Rathmacostello | 110 | Tirawley | Crossmolina | Ballina |
| Rathmalikeen | 129 | Kilmaine | Kilcommon | Ballinrobe |
| Rathmore | 626 | Tirawley | Crossmolina | Ballina |
| Rathmorgan | 965 | Erris | Kilcommon | Belmullet |
| Rathmoyle | 123 | Tirawley | Crossmolina | Ballina |
| Rathnaconeen | 193 | Tirawley | Ballynahaglish | Ballina |
| Rathnacreeva | 694 | Carra | Rosslee | Ballinrobe |
| Rathnadoffy | 183 | Tirawley | Rathreagh | Killala |
| Rathnaguppaun | 282 | Kilmaine | Ballinrobe | Ballinrobe |
| Rathnamagh | 752 | Tirawley | Kilfian | Ballina |
| Rathnawooraun | 120 | Tirawley | Templemurry | Killala |
| Rathoma | 626 | Tirawley | Ballysakeery | Ballina |
| Rathoonagh | 551 | Tirawley | Kilbride | Killala |
| Rathowen East | 246 | Tirawley | Killala | Killala |
| Rathowen West | 221 | Tirawley | Killala | Killala |
| Rathreagh | 199 | Tirawley | Rathreagh | Killala |
| Rathredmond | 144 | Carra | Manulla | Castlebar |
| Rathredmond | 331 | Kilmaine | Ballinrobe | Ballinrobe |
| Rathreedaun | 659 | Gallen | Kilgarvan | Ballina |
| Rathroe | 184 | Tirawley | Kilfian | Killala |
| Rathroeen | 709 | Tirawley | Ballysakeery | Ballina |
| Rathrowan | 293 | Gallen | Bohola | Swineford |
| Rathrushel | 129 | Gallen | Templemore | Castlebar |
| Rathscanlan | 252 | Gallen | Kilconduff | Swineford |
| Rathslevin | 312 | Gallen | Bohola | Swineford |
| Rausakeera North | 83 | Kilmaine | Kilmainemore | Ballinrobe |
| Rausakeera South | 79 | Kilmaine | Kilmainemore | Ballinrobe |
| Reask | 478 | Costello | Bekan | Claremorris |
| Red Island | 6 | Kilmaine | Shrule | Ballinrobe |
| Redhill | 173 | Gallen | Templemore | Castlebar |
| Redhill | 215 | Costello | Annagh | Claremorris |
| Richmond | 201 | Tirawley | Crossmolina | Ballina |
| Rinagall | 9 | Tirawley | Kilbelfad | Ballina |
| Rinagry | 431 | Tirawley | Kilbelfad | Ballina |
| Rinakilleen | 26 | Tirawley | Kilbelfad | Ballina |
| Rinanagh | 218 | Erris | Kilmore | Belmullet |
| Rinaneel | 180 | Carra | Burriscarra | Ballinrobe |
| Rinbrack | 515 | Gallen | Meelick | Swineford |
| Ringarraun | 179 | Carra | Ballyhean | Castlebar |
| Rinmore | 181 | Tirawley | Kilbelfad | Ballina |
| Rinn | 185 | Costello | Aghamore | Swineford |
| Rinnahulty | 160 | Carra | Manulla | Castlebar |
| Rinnananny | 444 | Gallen | Toomore | Swineford |
| Rinnaseer | 180 | Burrishoole | Islandeady | Westport |
| Rinnashinnagh | 551 | Erris | Kilcommon | Belmullet |
| Rinshinna | 161 | Carra | Breaghwy | Castlebar |
| River Island | 6 | Carra | Ballyovey | Ballinrobe |
| Robeen | 142 | Kilmaine | Robeen | Ballinrobe |
| Robeenard | 443 | Kilmaine | Kilcommon | Ballinrobe |
| Rockfield | 874 | Clanmorris | Kilcolman | Claremorris |
| Rockfield | 237 | Burrishoole | Aghagower | Westport |
| Rockfield | 365 | Carra | Turlough | Castlebar |
| Rockfleet | 92 | Burrishoole | Burrishoole | Newport |
| Rocksborough North | 109 | Kilmaine | Ballinrobe | Ballinrobe |
| Rocksborough South | 177 | Kilmaine | Ballinrobe | Ballinrobe |
| Roe Island | 5 | Tirawley | Crossmolina | Ballina |
| Roeillan | 3 | Murrisk | Oughaval | Westport |
| Roeillan | 2 | Burrishoole | Achill | Newport |
| Roeillaun | 15 | Burrishoole | Burrishoole | Newport |
| Roekilmeena | 220 | Burrishoole | Kilmeena | Westport |
| Roemore | 88 | Carra | Breaghwy | Castlebar |
| Roemore | 132 | Burrishoole | Kilmeena | Newport |
| Roman Island | 8 | Murrisk | Oughaval | Westport |
| Rooaunalaghta | 68 | Kilmaine | Shrule | Ballinrobe |
| Rooghan | 149 | Tirawley | Rathreagh | Killala |
| Rooghaun | 127 | Carra | Burriscarra | Ballinrobe |
| Rooghaun | 334 | Murrisk | Aghagower | Westport |
| Roonah | 847 | Murrisk | Kilgeever | Westport |
| Roonkeel | 74 | Murrisk | Kilgeever | Westport |
| Roos | 636 | Kilmaine | Kilcommon | Ballinrobe |
| Roosky | 222 | Clanmorris | Crossboyne | Claremorris |
| Roosky | 867 | Gallen | Attymass | Ballina |
| Roosky | 1,685 | Costello | Kilbeagh | Swineford |
| Roosky | 644 | Costello | Knock | Claremorris |
| Roosky | 240 | Tirawley | Moygawnagh | Killala |
| Rooskybeg | 69 | Clanmorris | Crossboyne | Claremorris |
| Rosbarnagh Island | 52 | Burrishoole | Burrishoole | Newport |
| Rosbeg | 26 | Burrishoole | Kilmeena | Newport |
| Roscahill | 240 | Burrishoole | Kilmeena | Westport |
| Rosclave | 108 | Burrishoole | Burrishoole | Newport |
| Rosdoagh | 1,446 | Erris | Kilcommon | Belmullet |
| Rosdooaun | 230 | Burrishoole | Kilmeena | Newport |
| Rosgalliv | 275 | Burrishoole | Burrishoole | Newport |
| Rosgibbileen | 102 | Burrishoole | Burrishoole | Newport |
| Roskeen North | 202 | Burrishoole | Burrishoole | Newport |
| Roskeen South | 127 | Burrishoole | Burrishoole | Newport |
| Roslahan Lower | 165 | Carra | Drum | Castlebar |
| Roslahan Upper | 159 | Carra | Drum | Castlebar |
| Roslaher | 51 | Burrishoole | Kilmeena | Newport |
| Roslynagh | 15 | Burrishoole | Burrishoole | Newport |
| Rosmindle | 83 | Burrishoole | Kilmeena | Westport |
| Rosmoney | 120 | Burrishoole | Kilmeena | Westport |
| Rosmore | 77 | Burrishoole | Burrishoole | Newport |
| Rosnagleragh | 355 | Erris | Kilcommon | Belmullet |
| Rosnakilly | 51 | Burrishoole | Kilmeena | Westport |
| Ross | 293 | Tirawley | Killala | Killala |
| Ross (Bourke) | 133 | Tirawley | Killala | Killala |
| Ross (Fallon) | 169 | Tirawley | Killala | Killala |
| Ross (Gardiner) | 124 | Tirawley | Killala | Killala |
| Ross (Goodwin) | 243 | Tirawley | Killala | Killala |
| Ross East | 273 | Carra | Turlough | Castlebar |
| Ross West | 438 | Carra | Turlough | Castlebar |
| Rossanrubble | 174 | Burrishoole | Burrishoole | Newport |
| Rossbeg | 136 | Murrisk | Oughaval | Westport |
| Rosserk | 1,074 | Tirawley | Ballysakeery | Ballina |
| Rossmurrevagh | 28 | Burrishoole | Burrishoole | Newport |
| Rossow | 181 | Burrishoole | Kilmeena | Newport |
| Rossymailley | 42 | Murrisk | Oughaval | Westport |
| Rossyvera | 74 | Burrishoole | Burrishoole | Newport |
| Rostoohy | 57 | Burrishoole | Kilmeena | Westport |
| Rosturk | 795 | Burrishoole | Burrishoole | Newport |
| Rosturk | 34 | Burrishoole | Burrishoole | Newport |
| Roy | 2,403 | Erris | Kilcommon | Belmullet |
| Rubble | 245 | Gallen | Killasser | Swineford |
| Rush Hill | 127 | Carra | Manulla | Castlebar |
| Rushbrook | 104 | Burrishoole | Kilmaclasser | Westport |
| Rushbrook East | 151 | Clanmorris | Crossboyne | Claremorris |
| Rushbrook West | 42 | Clanmorris | Crossboyne | Claremorris |
| Rusheen | 232 | Burrishoole | Kilmeena | Westport |
| Rusheen | 39 | Clanmorris | Tagheen | Claremorris |
| Rusheen (or Thomastown) | 212 | Carra | Drum | Castlebar |
| Rusheen Island | 4 | Erris | Kilmore | Belmullet |
| Rusheens | 18 | Burrishoole | Burrishoole | Newport |
| Rusheens | 271 | Tirawley | Ballysakeery | Ballina |
| Rusheens East | 121 | Costello | Kilmovee | Swineford |
| Rusheens West | 161 | Costello | Kilmovee | Swineford |
| Saints Island | 11 | Kilmaine | Cong | Ballinrobe |
| Saleen | 33 | Kilmaine | Ballinrobe | Ballinrobe |
| Saleen | 83 | Carra | Aglish | Castlebar |
| Salia | 1,898 | Burrishoole | Achill | Newport |
| Sallagher | 146 | Carra | Turlough | Castlebar |
| Sallyhernaun | 248 | Costello | Knock | Claremorris |
| Sandymount | 48 | Burrishoole | Burrishoole | Newport |
| Sanhill | 73 | Burrishoole | Burrishoole | Newport |
| Sarnaght | 434 | Carra | Aglish | Castlebar |
| Scardaun | 1,274 | Erris | Kilcommon | Newport |
| Scardaun | 230 | Costello | Aghamore | Swineford |
| Scardaun East | 243 | Clanmorris | Crossboyne | Claremorris |
| Scardaun West | 180 | Clanmorris | Crossboyne | Claremorris |
| Scotchfort | 155 | Tirawley | Kilbelfad | Ballina |
| Scregg | 400 | Costello | Annagh | Claremorris |
| Scregg | 234 | Costello | Aghamore | Swineford |
| Seeaghanbaun | 109 | Tirawley | Kilfian | Killala |
| Seeaghandoo | 163 | Tirawley | Kilfian | Killala |
| Seefin | 508 | Clanmorris | Crossboyne | Claremorris |
| Seerillaun | 3 | Carra | Ballyovey | Ballinrobe |
| Sessiagh | 140 | Clanmorris | Tagheen | Claremorris |
| Shammerbaun | 411 | Costello | Kilmovee | Swineford |
| Shammerdoo | 955 | Costello | Kilmovee | Swineford |
| Shanagh | 15 | Burrishoole | Aghagower | Westport |
| Shanaghmoyle | 161 | Costello | Knock | Claremorris |
| Shanaghy | 837 | Erris | Kilmore | Belmullet |
| Shanaghy | 189 | Gallen | Bohola | Swineford |
| Shanaghy | 128 | Tirawley | Kilbride | Killala |
| Shanclogh | 203 | Tirawley | Ballynahaglish | Ballina |
| Shandrum | 198 | Burrishoole | Kilmeena | Newport |
| Shanettra | 1,420 | Tirawley | Kilfian | Killala |
| Shangorman (or Inishangan) | 16 | Kilmaine | Ballinrobe | Ballinrobe |
| Shangort | 265 | Carra | Ballyovey | Ballinrobe |
| Shannasmore | 329 | Tirawley | Ballynahaglish | Ballina |
| Shanrawy | 100 | Carra | Rosslee | Castlebar |
| Shantallow | 330 | Kilmaine | Kilcommon | Ballinrobe |
| Shanvaghera | 449 | Costello | Knock | Claremorris |
| Shanvally | 275 | Gallen | Killedan | Swineford |
| Shanvally | 57 | Carra | Breaghwy | Castlebar |
| Shanvallyard | 589 | Carra | Ballyovey | Ballinrobe |
| Shanvallybeg | 1,170 | Murrisk | Oughaval | Westport |
| Shanvallybeg | 77 | Burrishoole | Kilmeena | Westport |
| Shanvallyboght | 118 | Clanmorris | Kilvine | Claremorris |
| Shanvallyhugh | 126 | Burrishoole | Burrishoole | Newport |
| Shanvodinnaun | 2,277 | Tirawley | Moygawnagh | Killala |
| Shanvolahan | 1,196 | Tirawley | Crossmolina | Ballina |
| Shanvoley | 677 | Carra | Turlough | Castlebar |
| Shanwar | 328 | Gallen | Toomore | Swineford |
| Sheean | 381 | Burrishoole | Islandeady | Westport |
| Sheean | 2,096 | Erris | Kilcommon | Belmullet |
| Sheeanmore | 2,650 | Erris | Kilcommon | Newport |
| Sheeans | 868 | Carra | Turlough | Castlebar |
| Sheeroe | 138 | Murrisk | Aghagower | Westport |
| Sheskin | 7,012 | Erris | Kilcommon | Belmullet |
| Shinganagh | 269 | Clanmorris | Mayo | Claremorris |
| Shinnagh | 175 | Carra | Turlough | Castlebar |
| Shintilla | 1 | Kilmaine | Ballinchalla | Ballinrobe |
| Shrule | Town | Kilmaine | Shrule | Ballinrobe |
| Shrule | 161 | Kilmaine | Shrule | Ballinrobe |
| Sixnoggins | 682 | Murrisk | Kilgeever | Westport |
| Skeaghard | 116 | Costello | Bekan | Claremorris |
| Skealoghan | 301 | Kilmaine | Kilcommon | Ballinrobe |
| Skehahagh | 128 | Carra | Ballintober | Castlebar |
| Skehanagh Lower | 258 | Carra | Ballintober | Castlebar |
| Skehanagh Upper | 174 | Carra | Ballintober | Castlebar |
| Skehavaud | 211 | Clanmorris | Crossboyne | Claremorris |
| Skeheen | 180 | Costello | Kilmovee | Swineford |
| Skeheen and Lisseveleen | 92 | Kilmaine | Robeen | Ballinrobe |
| Skerdagh Lower | 515 | Burrishoole | Burrishoole | Newport |
| Skerdagh Upper | 1,186 | Burrishoole | Burrishoole | Newport |
| Skiddernagh | 290 | Carra | Manulla | Castlebar |
| Slaugar | 213 | Burrishoole | Kilmeena | Westport |
| Slievemore | 3,722 | Burrishoole | Achill | Newport |
| Slievenabrehan | 153 | Clanmorris | Knock | Claremorris |
| Slievenagark | 218 | Tirawley | Ardagh | Ballina |
| Slinaun | 179 | Burrishoole | Kilmaclasser | Westport |
| Slinaunroe | 286 | Burrishoole | Kilmaclasser | Westport |
| Slishmeen | 79 | Carra | Rosslee | Ballinrobe |
| Smuttanagh | 244 | Carra | Manulla | Castlebar |
| Snugborough | 370 | Carra | Aglish | Castlebar |
| Sonnagh | 1,480 | Costello | Kilbeagh | Swineford |
| Sonvolaun | 681 | Costello | Kilmovee | Swineford |
| Spaddagh | 203 | Costello | Annagh | Claremorris |
| Speck | 126 | Costello | Kilbeagh | Swineford |
| Springfield | 50 | Carra | Aglish | Castlebar |
| Springhill | 133 | Tirawley | Rathreagh | Killala |
| Springvale | 27 | Kilmaine | Ballinrobe | Ballinrobe |
| Srah | 1,378 | Erris | Kilcommon | Belmullet |
| Srah | 178 | Tirawley | Ballynahaglish | Ballina |
| Srah | 912 | Carra | Ballyovey | Ballinrobe |
| Srah | 67 | Costello | Knock | Claremorris |
| Srah Lower | 322 | Costello | Kilbeagh | Swineford |
| Srah Upper | 541 | Costello | Kilbeagh | Swineford |
| Srahacorick | 756 | Burrishoole | Burrishoole | Newport |
| Srahanarry | 197 | Erris | Kilcommon | Belmullet |
| Srahataggle | 4,167 | Erris | Kilcommon | Belmullet |
| Srahataggle South | 649 | Erris | Kilcommon | Belmullet |
| Srahatloe | 1,432 | Murrisk | Aghagower | Westport |
| Srahdugghaun | 3,435 | Erris | Kilcommon | Newport |
| Srahederdaowen | 341 | Erris | Kilcommon | Newport |
| Sraheen | 675 | Tirawley | Ballynahaglish | Ballina |
| Sraheen | 1,127 | Burrishoole | Aghagower | Westport |
| Sraheens | 278 | Costello | Kilmovee | Swineford |
| Sraheens | 2,207 | Burrishoole | Achill | Newport |
| Sraheens | 251 | Gallen | Bohola | Swineford |
| Srahgraddy | 1,262 | Erris | Kilcommon | Belmullet |
| Srahlaghy | 1,229 | Tirawley | Doonfeeny | Killala |
| Srahlea | 321 | Murrisk | Aghagower | Westport |
| Srahmeen | 1,792 | Tirawley | Kilfian | Killala |
| Srahmore | 353 | Burrishoole | Achill | Newport |
| Srahmore | 3,352 | Burrishoole | Burrishoole | Newport |
| Srahmore | 590 | Erris | Kilcommon | Belmullet |
| Srahnacloy | 1,101 | Murrisk | Kilgeever | Westport |
| Srahnakilly | 3,395 | Erris | Kilcommon | Belmullet |
| Srahnamanragh | 1,050 | Erris | Kilcommon | Newport |
| Srahnanagh | 106 | Murrisk | Kilgeever | Westport |
| Srahnaplaia | 1,985 | Erris | Kilcommon | Belmullet |
| Srahnashasky | 83 | Murrisk | Kilgeever | Westport |
| Srahrevagh | 1,288 | Burrishoole | Burrishoole | Newport |
| Srahrevagh | 719 | Murrisk | Kilgeever | Westport |
| Srahroosky | 1,032 | Murrisk | Kilgeever | Westport |
| Srahwee | 507 | Murrisk | Kilgeever | Westport |
| Srahyconigaun | 540 | Tirawley | Crossmolina | Ballina |
| Sralagagh East | 36 | Tirawley | Doonfeeny | Killala |
| Sralagagh West | 1,662 | Tirawley | Doonfeeny | Killala |
| Sranacally | 654 | Tirawley | Crossmolina | Ballina |
| Sranalaghta North | 35 | Tirawley | Crossmolina | Ballina |
| Sranalaghta South | 70 | Tirawley | Crossmolina | Ballina |
| Sranalee | 183 | Carra | Turlough | Castlebar |
| Stags of Bofin | 7 | Murrisk | Inishbofin | Clifden |
| Steelaun | 168 | Tirawley | Templemurry | Killala |
| Stonehall | 242 | Tirawley | Ballynahaglish | Ballina |
| Stonepark | 92 | Carra | Touaghty | Ballinrobe |
| Stonepark | 72 | Carra | Rosslee | Castlebar |
| Strade | 500 | Gallen | Templemore | Castlebar |
| Strake | 431 | Murrisk | Kilgeever | Westport |
| Strandhill | 176 | Kilmaine | Cong | Ballinrobe |
| Streamstown | 136 | Murrisk | Oughaval | Westport |
| Streamstown | 295 | Clanmorris | Kilcolman | Claremorris |
| Stripe | 194 | Costello | Kilbeagh | Swineford |
| Struaun | 59 | Carra | Aglish | Castlebar |
| Stuckeen | 183 | Carra | Touaghty | Ballinrobe |
| Summerhill North | 258 | Kilmaine | Mayo | Ballinrobe |
| Summerhill South | 437 | Kilmaine | Mayo | Ballinrobe |
| Surgeview (or Nakil) | 221 | Erris | Kilmore | Belmullet |
| Swineford | Town | Gallen | Kilconduff | Swineford |
| Swineford | 95 | Gallen | Kilconduff | Swineford |
| Tagheen East | 94 | Clanmorris | Tagheen | Claremorris |
| Tagheen West | 83 | Clanmorris | Tagheen | Claremorris |
| Tallagh | 1,429 | Erris | Kilmore | Belmullet |
| Tallagh | 1,750 | Erris | Kilcommon | Newport |
| Tallavbaun | 524 | Murrisk | Kilgeever | Westport |
| Tallavbaun Island | 11 | Murrisk | Kilgeever | Westport |
| Tangincartoor | 234 | Murrisk | Oughaval | Westport |
| Tarsaghaun Beg North | 948 | Erris | Kilcommon | Newport |
| Tarsaghaun Beg South | 822 | Erris | Kilcommon | Newport |
| Tarsaghaun More | 5,439 | Erris | Kilcommon | Belmullet |
| Tavraun | 1,127 | Costello | Kilmovee | Swineford |
| Tawnagh | 80 | Clanmorris | Kilcolman | Claremorris |
| Tawnagh | 66 | Burrishoole | Aghagower | Westport |
| Tawnagh | 185 | Costello | Bekan | Claremorris |
| Tawnagh | 58 | Kilmaine | Kilmainemore | Ballinrobe |
| Tawnagh | 557 | Carra | Ballyovey | Ballinrobe |
| Tawnagh | 60 | Costello | Aghamore | Swineford |
| Tawnagh | 511 | Tirawley | Addergoole | Castlebar |
| Tawnagh | 95 | Clanmorris | Tagheen | Claremorris |
| Tawnagh Beg | 1,033 | Gallen | Templemore | Castlebar |
| Tawnagh East | 243 | Kilmaine | Kilmainemore | Ballinrobe |
| Tawnagh More | 307 | Gallen | Templemore | Castlebar |
| Tawnaghaknaff | 155 | Gallen | Bohola | Swineford |
| Tawnaghbaun | 170 | Kilmaine | Kilcommon | Ballinrobe |
| Tawnaghbeg | 832 | Costello | Kilbeagh | Swineford |
| Tawnaghlahard | 259 | Clanmorris | Kilcolman | Claremorris |
| Tawnaghmore | 463 | Costello | Bekan | Claremorris |
| Tawnaghmore | 457 | Tirawley | Kilbelfad | Ballina |
| Tawnaghmore | 1,813 | Erris | Kilcommon | Belmullet |
| Tawnaghmore Lower | 266 | Tirawley | Killala | Killala |
| Tawnaghmore Upper | 120 | Tirawley | Killala | Killala |
| Tawnaghs | 709 | Tirawley | Crossmolina | Ballina |
| Tawnaglass | 200 | Gallen | Kilconduff | Swineford |
| Tawnagrania | 596 | Burrishoole | Burrishoole | Newport |
| Tawnakeel | 388 | Tirawley | Crossmolina | Ballina |
| Tawnamartola | 115 | Burrishoole | Burrishoole | Newport |
| Tawnamullagh | 83 | Gallen | Kilconduff | Swineford |
| Tawnanameeltoge | 104 | Burrishoole | Burrishoole | Newport |
| Tawnanasheffin | 795 | Erris | Kilcommon | Newport |
| Tawnanasool | 1,567 | Erris | Kilcommon | Belmullet |
| Tawnawoggaun | 191 | Burrishoole | Burrishoole | Newport |
| Tawnyaboil | 451 | Tirawley | Doonfeeny | Killala |
| Tawnyagry | 499 | Carra | Ballintober | Castlebar |
| Tawnyard | 682 | Murrisk | Oughaval | Westport |
| Tawnycoolawee | 152 | Carra | Aglish | Castlebar |
| Tawnycrower | 945 | Murrisk | Oughaval | Westport |
| Tawnydoogan | 751 | Murrisk | Kilgeever | Westport |
| Tawnyeeny | 703 | Carra | Islandeady | Castlebar |
| Tawnyemon | 145 | Burrishoole | Kilmaclasser | Westport |
| Tawnyinah Lower | 282 | Costello | Kilbeagh | Swineford |
| Tawnyinah Middle | 397 | Costello | Kilbeagh | Swineford |
| Tawnyinah Upper | 627 | Costello | Kilbeagh | Swineford |
| Tawnyinlough | 723 | Murrisk | Kilgeever | Westport |
| Tawnykinaff | 813 | Carra | Turlough | Castlebar |
| Tawnylaheen | 411 | Carra | Aglish | Castlebar |
| Tawnylaheen | 20 | Carra | Turlough | Castlebar |
| Tawnylough | 496 | Clanmorris | Mayo | Claremorris |
| Tawnymacken | 501 | Murrisk | Kilgeever | Westport |
| Tawnynahulty | 1,249 | Tirawley | Doonfeeny | Killala |
| Tawnynameeltoge (or Midgefield) | 209 | Murrisk | Aghagower | Westport |
| Tawnynoran | 1,117 | Murrisk | Kilgeever | Westport |
| Tawnyshane | 408 | Carra | Turlough | Castlebar |
| Tawnyslinnaun | 747 | Murrisk | Oughaval | Westport |
| Tawnywaddyduff | 1,352 | Tirawley | Moygawnagh | Killala |
| Teevaloughan | 903 | Burrishoole | Burrishoole | Newport |
| Teevenacroaghy | 817 | Murrisk | Oughaval | Westport |
| Teevinish East | 775 | Burrishoole | Aghagower | Westport |
| Teevinish West | 784 | Burrishoole | Aghagower | Westport |
| Teevmore | 156 | Burrishoole | Burrishoole | Newport |
| Teevnabinnia | 321 | Murrisk | Kilgeever | Westport |
| Temple | 200 | Costello | Kilbeagh | Swineford |
| Termon | 1,033 | Erris | Kilmore | Belmullet |
| Termoncarragh | Town | Erris | Kilmore | Belmullet |
| Termoncarragh | 618 | Erris | Kilmore | Belmullet |
| Terrybaun | 303 | Tirawley | Addergoole | Castlebar |
| Terryduff | 693 | Tirawley | Addergoole | Castlebar |
| The Neale | Town | Kilmaine | Kilmolara | Ballinrobe |
| Thick Island | 1 | Kilmaine | Ballinchalla | Ballinrobe |
| Thomastown | 319 | Kilmaine | Kilcommon | Ballinrobe |
| Thomastown | 168 | Kilmaine | Kilmainemore | Ballinrobe |
| Thomastown (or Rusheen) | 212 | Carra | Drum | Castlebar |
| Thornhill | 307 | Murrisk | Oughaval | Westport |
| Tiraninny | 302 | Gallen | Killasser | Swineford |
| Tiraun | 436 | Erris | Kilmore | Belmullet |
| Tober | 149 | Costello | Aghamore | Swineford |
| Tobermore | 313 | Tirawley | Crossmolina | Ballina |
| Tobernadarry | 182 | Kilmaine | Moorgagagh | Ballinrobe |
| Tobernashee | 104 | Kilmaine | Kilmolara | Ballinrobe |
| Tobernaveen | 768 | Tirawley | Addergoole | Castlebar |
| Toberrooaun | 543 | Burrishoole | Aghagower | Westport |
| Togher | 162 | Costello | Bekan | Claremorris |
| Togher | 556 | Kilmaine | Robeen | Ballinrobe |
| Tomboholla | 670 | Costello | Kilbeagh | Swineford |
| Tonacarton | 77 | Kilmaine | Mayo | Ballinrobe |
| Tonacrock | 319 | Tirawley | Addergoole | Castlebar |
| Tonaderrew | 229 | Carra | Ballintober | Castlebar |
| Tonaleeaun | 69 | Kilmaine | Cong | Ballinrobe |
| Tonamace | 218 | Erris | Kilmore | Belmullet |
| Tonamace Common | 18 | Erris | Kilmore | Belmullet |
| Tonaraha East | 29 | Burrishoole | Kilmeena | Westport |
| Tonaraha West | 69 | Burrishoole | Kilmeena | Westport |
| Tonatanvally | 2,068 | Burrishoole | Achill | Newport |
| Tonatleva | 954 | Murrisk | Kilgeever | Westport |
| Tonbaun | 47 | Carra | Ballintober | Castlebar |
| Tonlegee | 755 | Burrishoole | Aghagower | Westport |
| Tonmore | 297 | Erris | Kilmore | Belmullet |
| Tonnagh | 499 | Costello | Kilbeagh | Swineford |
| Tonranny | 178 | Murrisk | Aghagower | Westport |
| Tonree | 97 | Tirawley | Moygawnagh | Killala |
| Tonregee | 346 | Costello | Kilcolman | Castlereagh |
| Tonregee | 372 | Costello | Annagh | Claremorris |
| Tonregee East | 762 | Burrishoole | Achill | Newport |
| Tonregee West | 566 | Burrishoole | Achill | Newport |
| Tonroe | 65 | Gallen | Kilconduff | Swineford |
| Tonroe | 240 | Costello | Kilbeagh | Swineford |
| Tonroe Lower | 125 | Tirawley | Rathreagh | Killala |
| Tonroe Upper | 108 | Tirawley | Rathreagh | Killala |
| Tonybaun | 293 | Tirawley | Ballynahaglish | Ballina |
| Toobrackan | 744 | Costello | Kilcolman | Castlereagh |
| Toocananagh | 1,266 | Gallen | Bohola | Swineford |
| Toomanagh | 151 | Costello | Castlemore | Castlereagh |
| Toomore | 302 | Gallen | Toomore | Swineford |
| Tooracappul | 21 | Tirawley | Templemurry | Killala |
| Toorard | 408 | Kilmaine | Shrule | Ballinrobe |
| Toorard | 114 | Gallen | Killasser | Swineford |
| Tooraree | 410 | Costello | Bekan | Claremorris |
| Toorbuck | 164 | Burrishoole | Aghagower | Westport |
| Tooreen | 53 | Murrisk | Kilgeever | Westport |
| Tooreen | 153 | Tirawley | Templemurry | Killala |
| Tooreen | 203 | Costello | Aghamore | Swineford |
| Tooreen | 503 | Tirawley | Crossmolina | Ballina |
| Tooreen | 353 | Carra | Ballyovey | Ballinrobe |
| Tooreenphilip | 111 | Tirawley | Ballysakeery | Ballina |
| Toorgarve | 114 | Burrishoole | Kilmaclasser | Westport |
| Toorglass | 383 | Erris | Kilcommon | Belmullet |
| Toormakeady East | 200 | Carra | Ballyovey | Ballinrobe |
| Toormakeady Mountain | 1,051 | Carra | Ballyovey | Ballinrobe |
| Toormakeady West | 104 | Carra | Ballyovey | Ballinrobe |
| Toormore East | 261 | Carra | Turlough | Castlebar |
| Toormore West | 194 | Carra | Turlough | Castlebar |
| Tooromin | 509 | Gallen | Bohola | Swineford |
| Tootagh | 278 | Clanmorris | Kilcolman | Claremorris |
| Towerhill Demesne | 340 | Carra | Touaghty | Ballinrobe |
| Townplots East | 25 | Tirawley | Killala | Killala |
| Townplots West | 581 | Tirawley | Killala | Killala |
| Treanacally (or Hagfield) | 860 | Costello | Kilbeagh | Swineford |
| Treanbeg | 725 | Burrishoole | Burrishoole | Newport |
| Treanfohanaun | 574 | Gallen | Bohola | Swineford |
| Treangarrow | 146 | Tirawley | Kilfian | Ballina |
| Treangarve | 199 | Clanmorris | Crossboyne | Claremorris |
| Treankeel | 262 | Gallen | Killedan | Swineford |
| Treanlaur | 117 | Gallen | Attymass | Ballina |
| Treanlaur | 400 | Gallen | Kilconduff | Swineford |
| Treanlaur | 383 | Carra | Ballyovey | Ballinrobe |
| Treanlaur | 923 | Burrishoole | Burrishoole | Newport |
| Treannagleragh | 1,115 | Gallen | Killedan | Swineford |
| Treannaskehy | 181 | Clanmorris | Kilvine | Claremorris |
| Treanoughter | 277 | Gallen | Attymass | Ballina |
| Treanrevagh | 50 | Costello | Bekan | Claremorris |
| Treanrevagh | 338 | Gallen | Killasser | Swineford |
| Treanybrogaun | 285 | Carra | Turlough | Castlebar |
| Tree island | 1 | Carra | Islandeady | Castlebar |
| Treel | 1,634 | Burrishoole | Burrishoole | Newport |
| Treenagh | 329 | Tirawley | Kilfian | Killala |
| Tristia | 3,495 | Erris | Kilcommon | Belmullet |
| Tristia | 1,355 | Tirawley | Crossmolina | Ballina |
| Trouthill (or Knockbrack) | 200 | Costello | Kilbeagh | Swineford |
| Tubbrid Beg | 1,346 | Tirawley | Crossmolina | Ballina |
| Tubbrid More | 1,110 | Tirawley | Crossmolina | Ballina |
| Tullaghanbaun | 597 | Erris | Kilcommon | Belmullet |
| Tullaghanduff | 1,283 | Erris | Kilcommon | Belmullet |
| Tullaghanmore (or Edmondstown Desmene) | 440 | Costello | Kilcolman | Castlereagh |
| Tullaghanrock | 668 | Costello | Kilcolman | Castlereagh |
| Tullaghaun | 207 | Costello | Annagh | Claremorris |
| Tullaghaunna-hammer | 848 | Erris | Kilcommon | Belmullet |
| Tullanacorra | 411 | Gallen | Kilconduff | Swineford |
| Tulleague | 212 | Gallen | Killasser | Swineford |
| Tully | 119 | Carra | Drum | Castlebar |
| Tully | 327 | Murrisk | Kilgeever | Westport |
| Tully | 202 | Carra | Aglish | Castlebar |
| Tully Commons | 437 | Carra | Aglish | Castlebar |
| Tully More | 282 | Clanmorris | Balla | Castlebar |
| Tullybeg | 64 | Carra | Drum | Castlebar |
| Tullybeg | 114 | Clanmorris | Balla | Castlebar |
| Tullybeg Glebe | 24 | Clanmorris | Mayo | Claremorris |
| Tullyduff | 155 | Kilmaine | Kilmainemore | Ballinrobe |
| Tullyegan | 113 | Tirawley | Kilmoremoy | Ballina |
| Tullyganny | 319 | Costello | Kilmovee | Swineford |
| Tullynahoo | 743 | Gallen | Kilconduff | Swineford |
| Tullyroe | 59 | Gallen | Meelick | Swineford |
| Tullysleva | 284 | Tirawley | Kilbelfad | Ballina |
| Tulrohaun | 47 | Costello | Annagh | Claremorris |
| Tumgesh | 687 | Gallen | Killasser | Swineford |
| Turin | 389 | Kilmaine | Kilmainemore | Ballinrobe |
| Turlough | 240 | Carra | Turlough | Castlebar |
| Turlough | 151 | Costello | Bekan | Claremorris |
| Turloughanbaun | 94 | Kilmaine | Kilmainemore | Ballinrobe |
| Uggool | 3,204 | Erris | Kilcommon | Belmullet |
| Uggool | 821 | Costello | Kilmovee | Swineford |
| Uggool | 584 | Murrisk | Kilgeever | Westport |
| Ummerantarry | 1,104 | Tirawley | Kilfian | Killala |
| Ummoon | 376 | Gallen | Templemore | Swineford |
| Urlaur | 1,714 | Costello | Kilmovee | Swineford |
| Walshpool | 311 | Carra | Drum | Castlebar |
| Weatherfort | 292 | Carra | Rosslee | Ballinrobe |
| Westland | 263 | Carra | Ballyhean | Castlebar |
| Westport | Town | Murrisk | Oughaval | Westport |
| Westport Demesne | 272 | Murrisk | Oughaval | Westport |
| Westport Demesne | 1,070 | Burrishoole | Kilmeena | Westport |
| Westport Quay | Town | Murrisk | Oughaval | Westport |
| Westquarter | 493 | Murrisk | Inishbofin | Clifden |
| Wherrew | 74 | Tirawley | Kilbelfad | Ballina |
| Whitepark | 96 | Carra | Touaghty | Ballinrobe |
| Wilford | 13 | Burrishoole | Burrishoole | Newport |
| Windsor (or Breandrum) | 215 | Carra | Breaghwy | Castlebar |
| Woodfield | 338 | Costello | Aghamore | Swineford |
| Woodpark | 172 | Costello | Annagh | Claremorris |
| Woods | 549 | Gallen | Killedan | Swineford |
| Woods | 476 | Gallen | Kilconduff | Swineford |
| Woodstock | 409 | Clanmorris | Crossboyne | Claremorris |
| Woodville | 324 | Tirawley | Kilfian | Ballina |