See also List of Irish clans in Ulster
| Clan name (Tuath) | Progenitor | Hereditary Chief; Clan chief (if applicable) | Septs (finte) | Location; county, barony or townland. | Cinéal (Kinship) | Branches |
|---|---|---|---|---|---|---|
| Clann Néill (Na Nialaigh) | Niall Caille | Ua Néill Ruadh, aka Ó Néill Mór (O'Neill) | Mac Lochlainn (McLaughlin), Mac Bearáin (Barron), Mac Seáin (McShane or Johnson), Mac Suibhne (MacSWEENEY, MacSWYN, SWAIN, SWINE), Ó Doibhlín (DEVLIN Swordbearer to O'Neill), Mac Giolla Easbaig (GILLESPIE, MacANASPIE, BISHOP), Mac Íomhair (MacIVER, MacKEEVER, MacURE, ORR), Mac Ladhmainn (MacCLEMENT, LAMOND, LYMON, MACLAMONT or CLEMENTS), Mac Conmidhe (MacNAMEE, MacCONAMY, MacMEADH, MEE), Mac Néill (Mac Niall), Mac Eoghain (MacKEAN, MacKEON), | County Tyrone | Cenél Eoghain | Uí Néill Ruadh (Ó Néill Mór), Clann Aodh Buidhe, |
| Clann Domhnaill (Na Dálaigh) | Domhnaill m. Áed Findliath | Ua Donghaile (Donnelly) | Ua [Fh]laithbheartaigh (Laverty, Lafferty) | County Tyrone | Cenél Eoghain | |
| Muintír-Birn | Birnn m. Ruadrach m. Murchada m. Máel Dúin m. Áeda Alláin | Mac Ruaidhrí (MacRory, [Mac]Rogers) | Mac Murchadha | Strabane (upper) | Cenél Eoghain | Tellach Ainbhith |
| Cenél Fergusa | Fergusa m. Éogain m. Néill Noígiallaig | Ua hÓgáin ('O'Hagan') | O'Quinns, Ua Mael Fhabaill (Mulfoyle, et al.) and O'Mallons (O'Mellans) | Dungannon (Upper) | Cenél Eoghain | |
| Cairrge Brachaidhe | Brachaidi Mac Diarmada | Ua Maol Fhábhaill (Mulfaal, Mulfavil, MacFael, Mulfoyle or Mac Paul) | Carrichbrack (Carrickbraghy) in the barony of Inishowen West, County Donegal | Dungannon (Upper) | Cenél Eoghain | |
| Cenél mBinnigh | Eochach Binnich m. Éoghain m. Néill Noígiallaig | Ua hAghmaill (O'Hamill), Teallach Duibhbrailbe | Glenconkeine, barony of Loughinsholin | Cenél Eoghain | *Cenél mBinnig Glinne *Cenél mBindigh Locha Droichid (east of Magh Ith in Tirone) *Cenél mBindigh Tuaithe Rois (east of the Foyle) | |
| Cenél Moen | Maein m. Muireadaigh m. Éogain m. Néill Noígiallaig | Ó Gairmleadhaigh (O'Gormley) | O Duineachaidh, Ó Croidheáin (O Crean), Ó Lúinigh (O Lunny), O'Tierney (Ó Tiarnaigh), O'Kelly (Ó Ceallaigh), O'Cernaghan (Ó Cearnacháin), O'Garvey (Ó Gairbhith), MacDonaghy (Mac Donncha), Ó Peatáin (O'Patton or Peyton) and Ó Luinigh (or O'Loony) | Magh Itha in the barony of Raphoe, County Donegal | Cenél Eoghain | |
| Cenél Fearadhaigh | Feradaich m. Éogain m. Néill Noígiallaig | Mac Cathmhaoil (Campell, Cadwell or MacCawell) Clann Cathmhaoil | MacKeaghery, MacFetridge, Mac Giolla Mhártáin (Gillmartin), Maolgeimridh (Mulgemery, or Montgomery) and Maolpádraig (Kilpatrick) | Clogher, County Tyrone | Cenél Eoghain | Mac Fiachra sept (MacKeaghery) |
| Cenél Tigernaich | Tighearnach m. Muireadaigh m. Éoghain | Ó Maolfothartaigh (O'Mulfoharty), and Ó hEodhasa (O'Hosey) | County Tyrone | Cenél Eoghain | ||
| Clan Conchobhair | Conchobhar m. Fearghaile m. Maol Dúin m. Maol Fithrich m. Aodha Uairidnaigh | Ó Cathain (O'Kane, Ó'Cahan) | Mac Maoláin (O'or McMullan), Mac Bloscaidh (MacCloskey) | lords of Creeve (Coleraine area, County Londonderry) and Keenaght | Cenél Eoghain | Clan Drugain |
| Clan Drugain | Ó Cathain (O'Kane, Ó'Cahan) | Mac Maoláin (O'or McMullan), Mac Bloscaidh (MacCloskey), Mac Auslain (MacCAUSLAND, Scotland), Mac Aibhne (MacEVANY, MacAVENUE, MacAVINNEY, MacAVINNY, MacEVANNY), Mac Einrí (HENRY), Ó Maoilmheana (MULVANEY, MULVANE, MULVANY), Ó Maoilmhíchíl (Mulmeel), Ó Muireadhaigh (MURRAY, MORIE), Ó Cuaig (QUIGG FIVEY, KEGG, QUIG), Ó Cuinn (QUINN, QUIN, QWIN), Ó Tanaidhe (TANNY, TANNAY, TANNEY, TANNIE, TANEY), Mac Bháltair (MacWHIRTER, Scotland) | lords of Creeve (Coleraine area, County Londonderry) and Keenaght | Cenél Eoghain | ||
| Clan Diarmada (Clandermot) | Cearallán m. Baoighill m. Diarmada m. Conchobhair m. Fearghaile m. Maol Dúin m. Maol Fithrich m. Aodha Uaridnaich | Ó Cairealláin, (O'Carolan) | Mac Ettigan (Mac Eitigen) | The parish of Clondermot in County Londonderry | Cenél Eoghain | Tealach Braonáin (Magettigan) |
| Cenél Aonghusa | County Tyrone | Cinel-Eoghain | ||||
| Cenel Mic Earca | Máel Fithrich m. Áeda Uaridnaich m. Domnaill m. Muircherdaich mac Earca m. Muiredaich m. Éogain | Barony of Clogher, County Tyrone | Cenél Éoghain | |||
| Sil Lugdach (also Cenél Luighdech) | Lugdach m. Sétnai mic Fergus m. Conaill Gulban m. Néill Noígiallaig | Ó Domhnaill | Uí Baoighill (O'Boyles) and the Uí Dochartaigh (O'Dohertys, chiefs of Arda Midhair or Ardmire, perhaps the Finn Valley) Ua Cairbre, Ó Duibhne (DEENY DEANY, DEENEY, DENNY, PEOPLES), Ó Daighre (DEERY, DARRY, DERRY), Mac Dailredochar (DOCKERY DOCKREY, DOCKRY), Ó Dunáin (DOONAN DONAYNE, DONNAN), Ó Dubhthach (Doohey), Ó Glacáin (Glacken), Mac Reannacháin (GRANAHAN, CRENAHAN, CRENAGHAN), Ó hEarghaile (HARLEY HARREL, HARRILY, HERAL), Ó hEigneacháin (HENEGAN HANAGHAN, HANNIGAN), Ó hOireachtaigh (HERAGHTY,ERACHTY, ERRARTY), Mac Meanman (MacMENAMIN, MacMENAM, MacMENAMY), Mac Maongail (MacMONAGLE, MONEYGAL), Ó Coigligh (QUIGLEY, QUIGLY, COGLEY, KEGLEY, TWIGLEY, QUIGG), Mac Robhartaigh (Roarty), Ó Robharcháin (ROWAN, RAGHAN, ROANE, ROHAN, ROUGHAN), Ó Scannail (SCANNELL, SCANLAN), Ó Toráin (TARRANT, TORAN, TORRENS), Mac Muircheartaigh (BREARTY, MacBREARTIE, MacMURTY), Mac Giolla Comhghaill (COYLE COWLE, MacILHOYLE, MULCOYLE), Ó Cromlaoich (CRUMLEY CROMLEY, CRUMLISH, CRUMMELL), | Northern County Donegal | Cenél Conaill | Clann Dálaigh (Ua Domhnaill), Clann Chindfaoladh (Ua Baoighill), Arda Midhair |
| Arda Midhair (O'Doherty) | Lugdach m. Sétnai mic Fergus m. Conaill Gulban m. Néill Noígiallaig | Ó Dochartaigh | Mac Giolla Brighdhe (MacBRIDE, GILBRIDE, KILBRIDE, MUCKLEBREED), Mac Eachmharcaigh (MacCAFFERTY MacCAFFERKY, MacCAVERTY), Mac Daibhí (MacDAVITT, MacDADE, MacDAID, MacDEVITT) | Inishowen, Co. Donegal | Cenél Conaill | |
| Cenél mBógaine | Énnae Bóguine m. Conaill Gulban m. Néill Noígiallaig | Tír Boghaine (barony of Banagh, and part of the barony of Boylagh, in County Donegal). | Cenél Conaill | |||
| Cenél Aedha | Aedha m. Ainmirech m. Setna m. Ferghusa cennfhoda m Conaill gulban | Ó Maeldoraidh, Ó Canannáin (O'Cannon) | Ó Gallchobhair (O'Gallagher) | Barony of Tirhugh, alias Tír Aedha, in county Donegal | Cenél Conaill | |
| Cenel Duach | Tigernach Duí (Duach), son of Conall Gulban. | Cenél Conaill | ||||
| Clann Chindfaoladh | Baighill m Bradagain m Muirchertaigh m Cindfhaeladh | Ua Bhaeighill (O'Boyle) | Tir Ainmireach (around Ardara), Three Tuatha (around Falcarragh and Kilmacrennan) and barony of Boylagh in County Donegal | Cenél Conaill | ||
| Muintir Dalachain | Baoighill m Bradagáin m Muirchertaigh m Cindfhaeladh | Ó Cearnacháin (e.g. Kernaghan) and Ó Dalachain | Tuath Bladhach (Bladhaigh)anglicized Tuath Doe (now Creeslough & Dunfanaghy), south of Ros-Iorguil (now Downing's & Carrigart) County Donegal | |||
| Cinel Eanna | Eanna (Enda), the sixth son of Conall Gulban | Hanna,Hainey,Haney,Heaney (O'hEighnigh) (Ó hAnnaidh) | Kings of Magh Ith, Tir Eanna and Fanad in present day County Donegal. | Cenél Conaill | ||
| Cenél Endai | Enda, the youngest son of Niall of the Nine Hostages | ua Lapáin (O'Lappin, Delap) and Aa h-Eicnechan (roughly O'Heneghan) | Ua Bresleáin (O'Breslen or Breslin) | the river Errity to Barnesmore, barony of Tir Hugh, to Sruell in the barony of Banagh, County Donegal. Parish of Aughnis, barony of Kilmacrenan | Uíbh Néill a' Tuaisceart | O'Breslin, chiefs in Fanad |
| Cenél Cairpri [Mor] | Cairbre, son of Niall of the Nine Hostages | Ó Maolchloiche (O'Mulclohy), a name which was later mistranslated to Stone | Ua Bresleáin (O'Breslen or Breslin) | "Críoch Cairpre Droma Cliab" of northern County Sligo and northeast County Leitrim. Barony of Carbury in North Sligo | Uíbh Néill a' Tuaisceart | O'Breslin, chiefs in Fanad, Uí Cairpri Laigen (Ua Chiardha or O'Keary, O'Carey), Cairpre Gabra (Ó Ronáin, O'Ronan) |
| Síl Aedha Eaniagh | Cairbre, son of Niall of the Nine Hostages | O'Murchada, O'Murphy | O'Mellon | barony of Strabane, County Tyrone | ||
| Conmaicne Cuile Toladh | Findchóem (Traech mac Causcraid, or Fráech mac Cúscraigh) m. Cúmscrach (aka Cumascrach) | Ó Talcharain (TOLLERAN, TALLERAN, TALRAN, TOLRAN) | Ó Calarain (COLLERAN), Ó Morann (O'Moran), Ó Martain (Martin or Martins) | Kilmaine barony, County Mayo | Conmaicne | Síl Cárida, Cenél Enda |
| Conmaicne Mara | Conmaic (a quo Conmaicne) m. Oirbsen Máir (a quo Loch n-Oirbsen)...ultimately Fergus mac Roich | Úa Cadhla (O'Queally or O'Kealy) | Mac Conghaile (Conneely, MacNeela), Ó Clochartaigh (Cloherty or Stone),Ó Dubháin (Devany), Mac Fualáin\Ó Cualáin (FOLAN , FOLAND, FOLANE) | Connemara in western Co. Galway | Conmaicne | |
| Conmaicne Críchi Meic Eircce | Fraech, son of Cumscrach | Kilconickny, Co. Galway | Conmaicne | Cenél Lughna, Cenél cCais and Cenél Dubháin (Conmaicne Dúna Móir) | ||
| Conmaicne Mide la Cuirccne | Copchass, in descent from Conmac, son of Orbsen mor, | Quirene, a former name of the barony of Kilkenny West, Co. Westmeath | Conmaicne | |||
| Conmaicne Bec | Conmaic (a quo Conmaicne) m. Oirbsen Máir (a quo Loch n-Oirbsen)...ultimately Fergus mac Roich | Ua Tolairg (O'Toler) | Quirene, Co. Westmeath | Conmaicne | ||
| Muintir Eoluis | Finer, son of Cúmscrach (aka Cumascrach) | Mac Raghnaill, Mac Rannall (Reynolds or MacGrannell) | Ó Mughroin (MORAN, MORAINE, MORANE, MOREN, MORRIN, MORYNE), Mac Searraigh (HERRY, SHARRY, FOALEY) | Leitrim baronies of Mohill and Leitrim | Conmaicne of Magh Réin | Tellach Brocáin (alias Tellach Cagáin), Tellach Cendetigh, Tellach Maelmartain, Tellach maelmuiri, Tellach n-Odrainn, |
| Tellach Cearbhallan | Finer, son of Cúmscrach (aka Cumascrach) | Maoil Mhiadhaigh (Mulvey) | Ó Beigléighinn (BEGLIN, BEGLAN, BEGLAIN, BEGNAL, BEGLANE, BIGLANE, BEGLEN, BEGLLIN, BIGLAN, BEGLYN ), Ó Bardain (BODEN ), Ó hEolusa (HALLISSY), Ó Muiredaigh (MURRAY, MORIE, MORRA, MORRIE, MOREY, ÓMORY, MURRY, MURRIE), Ó Cuirnin, ollamh (CURNIN, CURNAN, CURNEN), Ó Maolghuala (MULHOOLY, HOOGHLEY, MULHOOGHLEY, MULOOLEY), Mac Mioluic (MULLOCK MacMEELICK, MacMOLEG, MOOLICK, MULLICKE, MULOCK) | Leitrim baronies of Mohill and Leitrim | Muinter Eolais, Conmaicne Réin | |
| Cenel Luachain | Luachan, son of Onchu, and 4th in descent from Cumscrach | Mag Dorchaidh or Mac Dorchaidhe (Mac Dorcy, Darcy, Dorcey, MacGourkey) | Ó Dunain (DOONAN DONAYNE, DONNAN, DOONANE, DOUNAN, DUNNAN, DYNAN), Ó Ciardubhain (KEARON, KERRANE, KERRIVANE, KERWAN, KIRRANE) | Oughteragh parish, barony of Carrigallen, southern co. Leitrim | Conmaicne of Magh Réin | Ui Bathbairr, Ui Braici, Ui Buibhin, Ui Chailti, Ui Cianacáin, Ui Conbhuidhe, Ui Damaigh of Cenél Luachain, Ui Dimusaigh, Ui Dubháin (Inis Doiri Dubháin), Ui Erailb, Ui Eturrain, Ui Gabhadáin, Ui Maelpátraig, Ui Maelsuthain, Ui Muinecháin, Ui Tredmain, Tellach Tanaide, Tellach Cléirigh |
| Clann Calbrainn | Co. Leitrim | Conmaicne of Magh Réin | Clann Martain, Clann Maelduilighe, Clann Bradain, Clann Arcain and Tellach Uanan | |||
| Clann Faelgusa | Co. Leitrim | Conmaicne of Magh Réin | Clann Corrdercain, Clann Gemáin, Clann Cathusaigh, Clann Dinnachain, Clann Birn, Clann Anairc, Ui Conbhuidhe, Ui Gellustain, Ui Riaglachain. | |||
| Clann Finoicci, or Sil Findellaig | Descendants of Finoicc, 2nd wife of Findellach, son of Neidhe, and 5th fr. Cumscrach | Co. Leitrim | Conmaicne of Magh Réin | Clann Telline, Clann Cronan, Clann Ainnsin, Clann Chirdubhain, Clann Finn, Clann Ciaracan, Clann Ibill | ||
| Cenél Cromáin | Co. Leitrim | Conmaicne of Magh Réin | ||||
| Clann Faelchon | Co. Leitrim | Conmaicne of Magh Réin | ||||
| Tellach Finnachan | Co. Leitrim | Conmaicne of Magh Réin | ||||
| Síl Maelefithrig | Co. Leitrim | Conmaicne of Magh Réin | Clann Clothachtaigh and Clann Oirechtaigh | |||
| Clann Fermaighe | Findellach, the son of Neidhe, and 5th in descent from Cumscrach. | Mac Cogadhain or Mac Acadhain (Mac Cogan) | Glenfarne in the parish of Cloonclare in the baronies of Dromahaire and Rosclogher, Co. Leitrim | Conmaicne of Magh Réin | Clann Cellachain, Clann Maelsamhna, Clann Taebhachain, Clann Ubhan, Clann Lughann, and Clann Uanan | |
| Muintir Geradháin | Mag Fhionnbhairr (Mac Ginver, Gaynor, or Finnevar) | Lough Gowna in Co. Longford | Conmaicne of Magh Réin | Tellach Finnoigi, Tellach Gabhadháin, | ||
| Muintír Giollagáin | Race of Rudhraigh, that is, of the same stock as Mag Raghnaill of Muinter Eolais | O Cuinn (O'Quin) | Teathbha, baronies of Moydow and Shrule Co. Westmeath | Conmaicne of Magh Réin | Tellach Connucan, Tellach Gormghaili, Tellach Maoilchíaráin | |
| Muintir Anghaile | Ua Fearghaile (O'Farrell) | Mac Gofraidh (MacSHAFFREY, GEOFFREY, JEFFRIES, SHEFFRY), Mac Concaille (MacCONCAILLE MacCONKEEL, MacENHILL, WOODS), Mac Conmhaic (CONNICK, CONNOCK, CONWICK), Mac Tadghan (KEEGAN KEAGHAN, KEAHAN, KEEHAN), Mac Cú Shléibhe (MacLEAVY MacALEAVY, MacCLEEVEY), Mac Murchadha (MacMORROW, MURROGH, MURROW, MORROGH), Mac Seáin (MacSHANE, JOHNSON), Ó Súilleabháin (SULLAHAN SOOLAHAN, SULLEHAN, SULLIHAN), Ó Tormaigh (TORMEY, TARMEY, TORMAY) | Annually in county Longford | Conmaicne of Magh Réin | Tellach Congaláin, Tellach Floinn | |
| Síol Faolcháin | Éogan Cáech (Síl Mella,), son of Nath Í, and great-grandson of Éana Cionnsealach | Mac Murchadha sept (MacMurrough, Kinsella), Kavanagh (Mac Murchadha Caomhánach or Ó Caomhánaigh). Current Chief is William Butler Kavanagh (Wales) | Ua Finnthighearn (Finneran), Mac Bhadach (VADDOCK, MADDOCK, WADDICK, WADDOCK), Mac Dáibhí Mór (DAVIDSON, DAVIS, DAVYMORE, MacDavie More), Ó Dúnlaing (DOWLING, DOOLAN, DOOLEN, DOWLAN, DUNLANG; Síol Elaigh sept) | South Wicklow & north-east Wexford | Uí Chionnsealaigh | Gahan's of Síol Ealaigh (barony of Shillelagh) |
| Siol aElaigh | Ó Gaotháin (GAHAN) | Ó Niall, Ó Dúnlaing | South Wicklow & north-east Wexford | Síol Faolcháin, Uí Chionnsealaigh | ||
| Uí Felmeda Thes | Úa Murchadha (O'Murroughe, Murrowes or Murphy) chiefs of Crioch O'Felme or Hy-Feidhlme [Hy-Felimy] | Ó Gairbhain (GARVAN, GIRVAN) | Offelimy, now the barony of Ballaghkeen, in County Wexford. Oulartleigh Castle | Uí Cheinnselaig | ||
| Uí Felmeda Tuaidh | Oilioll mac Muiredaig, alias Ui Onchon | O'Garvey | Tulach Ua Felmedha, aka Tullowphelim, became the namesake for the parish of Tullow. Rathvilly, Co. Carlow | Uí Cheinnselaig | ||
| Sil Chormaic (Clann Cormaic ) | Cormaicc m. Nath Í m. Crimthaind m. Énnai Ceinselaig | River Slaney basin in County Wexford, the MacMurrough royal demesne around Ferns, as well as the barony of Scarawalsh. | Uí Cheinnselaig | Cuthraighe, Ua Trena, Ui Cruinn or Ui Cuinn, Ua Gabla Fine and Ua Gabla Roireann | ||
| Sil Máeluidir | Ua hArtghaile (Hartley) | Ó Foirtcheirn (FORTUNE, FORTIN), Ó Laidhgnen (LYNAM, LYNAGH), (both Ui Deagha), Ó Cuilen (Cullen) | The Baronies of Shelmalier in county Wexford | Uí Cheinnselaig | Ui Deagha, Ferann na Cenél | |
| Uí Fergusa | Uí Cheinnselaig | |||||
| Clann Guaire | Uí Cheinnselaig | |||||
| Clann Fiachu meic Ailella | Uí Cheinnselaig | |||||
| Uí Muiredaig | Descend from Ughaire, a King of Leinster (died 956), Muiredaig m. Murchada m. Bráen (d. 693) | Ua Tuathail (O'Toole) | Ua Lorcáin | The baronies of Kilkea and Moone, Narragh with Reban East and West, and parts of Connell, in co. Kildare, plus the plus west half of Uí Mail, in co. Wicklow. | Uí Dúnlainge | |
| Uí Dúnchada | Gillai Mo Cholmóc m. Cellaich m. Dúnchada m. Lorccáin m. Fáeláin m. Muiredaig m. Bróen m. Fáeláin m. Cellaich m. Dúnchada m. Murchada. | Mac Gilla Mo-Cholmóg (FitzDermot or COLEMAN) | Ó Duibhghin (Dugan), Ó Tadhgain (TEAGAN, TEEGAN), | The land between the river Liffey and the 'Dublin' mountains. | Uí Dúnlainge | |
| Uí Fáeláin | Fáeláin m. Murchada m. Find m. Máel Mórda m. Muirecain m. Diarmata m. Rhuadri m. Fáeláin m. Murchada m. Bráen | Ó Broin (O'Byrne) | MacEochaidh (MacKeogh) | Crioch Bhranach, and included the barony of Newcastle with parts of the baronies of Ballinacor and Arklow. | Uí Dúnlainge | |
| Uí Fergusa | Fergus son of Dúnlang, son of Enna Nia, son of Bressal Bélach, son of Fiachu Baicced, son of Cathir Mor. | Their traditional territory immediately west of Dublin prior to the arrival of the Vikings, other sources give their territory between the river Liffey and Fir Cualand | Uí Dúnlainge | |||
| Uí Briúin Cualand | Brian, son of Enna Nia, son of Bressal Bélach, son of Fiachu Baicced, son of Cathir Mor. | Ó Coscrach (Cosgrave, or Cosgrove) | Baronies of Ballinacor North and Rathdown, in co. Wick., and the south half of the barony of Rathdown, in co. Dublin. | Dál Niad Cuirp | ||
| Uí Máeli Tuile | Fiachu Ba h-Aiccid, a son of Cathaír Már | Dál Niad Cuirp | ||||
| Uí Bairrche | Dáire Barraig m. Cathaír Máir | Mac Gormain (GORMAN) | Mic Raith (MacGRATH), Ó Tresaigh (TRACY, TRASSY, TRACIE), Ó Duibhin (Duffin) | Lord of Bargy at Slievemargy, Laois | Dál Niad Cuirp | Uí Bairrch Maige hAilbe (Carlow), Uí Bairrche of Mag Argetrois, Uí Bairrche Maige Indergraith (Uí Chritain) & Uí Bairrche Tíre (Uí Dimmatain), Uí Bairrche Magh dá chonn |
| Uí Bairrch Maige hAilbe | Mostly from Eochu Guinech ...Dáire Barraig m. Cathaír Máir | Úi Briccne, Úi Cellaig, Úi Scatháin, Úi Cutlacháin, Úi Máeláin, Úi Dobágu, Úi Fólachtáin, Úi Chommáin (Comane), Úi Gobbáin (Gowan), Úi Nárbotha, Síl Saichtha, Úi Canáin (Cannan?), Úi Conamla, Úi Crítáin, Úi Drescáin (or Úi Treascáin),Úi Émíne, Úi Pecclíne, Úi Taidc (Teige), Úi Bóeth (see Úi Meic Barddíne), Úi Brandubáin (Braniff), Úi Brénaind (Brennan?), Úi Briúin | Baronies of Slievemargy in Co. Laois, parts of Idrone in Co. Carlow, and Kilkee and Moone in Co. Kildare) | Dál Niad Cuirp | Úi Cellaig (Or Úi Ellaig) | |
| Uí Bairrche Mag Argetrois | Dáire Barraig m. Cathaír Máir | The ancient name of Ballyragget in Kilkenny was Dún Tulach Uí mBairrche (Tullabarry/Tulacbarry) | Dál Niad Cuirp | Clann Síláin (amongst the Osraighe) | ||
| Uí Bairrche Magh dá chonn | Dáire Barraig m. Cathaír Máir | Úi Fétháin | Ui Cearnaigh i Muigh Dha Chonn (O’Carny, O’Kearney) | Moyacom of East Carlow | Dál Niad Cuirp | |
| Uí Bairrche Maige Dergráith | Dáire Barraig m. Cathaír Máir | Úi Amsáin, Úi Crítáin, Úi Bodbáin, Úi Brócáin (O’Brogan), Úi Buidechair | Dál Niad Cuirp | Síl Cillíne Scothbán | ||
| Uí Bairrche Tíre | Mostly from Féicc....Dáire Barraig m. Cathaír Máir | Uí Treasaigh | Úi Dímatáin, Úi Mincháin, Síl Rossa mc Muiredaig, Úi Senáin, Úi Móenaig (Mooney), Úi Rónáin (Ronane or Royane), Úi Cuilíne (Cullen) dia fail Diarmait Glinni Uissen, Síol Cumaine (Cummin), Úi Cutlacháin dia fail Diarmait Glinni Uissen, Úi Dobágu, Úi Móenacháin (Mangan), Ui Nialláin (Nealon) | The barony of Bargy | Dál Niad Cuirp | |
| Uí Crimthainn Áin | Crimthaind Áin m. Cathaír Máir | O'Duff | Dún Masc (the rock of Dunamase) | Dál Niad Cuirp | ||
| Uí Failge | Donnchad mc Con Faifne m. Murchertaig m. Congalaig m. Duind Slébi m. Brógarbáin m. Conchobuir m. Find m. Máel Mórdae m. Conchobuir m. Flannacáin m. Cináeda m. Mugróin m. Óengussa m. Flaind m. Díumasaig m. Forannáin m. Congalaig m. Máel h-Umae m. Cathail m. Éogain Bruidne m. Nath Í m. Rossa Failgi m. Cathaír Máir. | Ua Conchobair Failghe (O'Connor Faly) | O Caomhanaigh, O Tuathalaigh, O Branaigh, Mac Giolla Phadraig, O Duinn, O Diomasaigh, O Duibhidhir, muinntear Riain, Mac an Chrosain (MacCROSSAN), Ó hEimhin (HEAVEN EVANS, EVINS, HEAVAN), Ó hUidhrin (HEERIN, HEERAN, HEERANE, HEFFRON, HERANE, HEVERIN, HYRANE), Ó Reachtabra (RAFTER RAFFTER, RAFTERY, RAFTIS, RAGHTORE, WRAFTER), Ó Seabhlain (HEVLIN, SHOVELIN, TEVLIN), Mac Spealáin (SPILLANE, SMOLLEN, SPALANE, SPELLAN, SPELMAN), Ó hAimhergin (ERGIN, BERRIGAN, BERGAN, HAMERGIN), Ó Breacain (BRACKEN), Ó Conarain (CONDRON, CONDRAN, CONDRIN, CONERAN, CONORAN), MacConnla (CONLEY CONLY, CONNLA), | The territory of Ui Failghe or Ophaley comprised the following Baronies: Geshill in the King's Co.; Upper and Lower Philipstown in the King's Co.; Warrenstown and Collestown in the same County; Ophaley or Offaley in the Co. of Kildare; Portnahinch and Tinahinch in the Queen's County. | Dál Niad Cuirp | Uí Riagáin (O'Regan and O'Dunne), and the Clann Máellugra (O'Dempsey), Maigh Aoife, Uí Mealla, Clann Mugróin, Uí Bercháin, Uí Nialláin, Uí Berraide, Cenel Aitheamháin, Uí Flaind, Uí Chormaic, Uí Móenaig, Uí Berraidi, Uí Airmedaig, Uí Máele Topair, Uí Chuilíne, Uí Máel Aithgén, Uí Maine, Uí Onchon |
| Uí Riagáin | Cerball & Mac Tíre dá m. Con Bladma m. Con Allaid m. Fidallaid m. Duinn m. Duibgilla m. Máel Finne m. Riagáin m. Cináeda m. Mugróin m. Flaind. | Ó Riagain (O'Regan and O'Dunne) | The barony of Tinnahich, the most northern barony of Co Leix (Laois) | Uí Fáilghe | ||
| Clann Máellugra aka Cenél Maoilughra, Clanmalier | Flann m. Máel Ruanaid m. Cellaich m. Máel Augra m. Conchobuir m. Áeda m. Tomaltaich m. Flaind m. Díumasaich m. Congaile m. Forannáin m. Congaile m. Máel h-Umai m. Cathail m. Bruidge m. Nath Í m. Rosa Failgi. | Ua Díomasaigh (Dempsey) | Ó Bearghda (BARRY, BEARY), Ó Maoil Eimhin (MULLAVIN MALLAVIN, MacLAVIN, MULLEVANE, MULLEVEN, MULLIVANE, Ó Coinin (CONINE, CUNEEN, KINANE, KINNEEN) | Barony of Upper Philipstown in the King's County and the Barony of Portnahinch in the Queen's County. | Uí Failge | |
| Clann Colgcan (Clann Cholgaín) | Domnall Úa Óengusa m. Áeda m. Uallacháin m. Taidgc m. Uallacháin m. Taidgc m. Domnaill m. Óengusa m. Cummascaig m. Colgcan m. Mugróin m. Flaind Dá Chongal m. Díumasaich m. Forannáin m. Congaile m. Máel h-Umai m. Cathail [m. Éogain] m. Bruidge m. Nath Í m. Rosa Failgi m. Cathaír Máir. | Ua hAonghusa (O'Hennessy) | Ua hUallachain (O'Holohan or O'Houlihan), Uí Rotaidi, Uí Muricáin, Uí Bróen, Uí Cholgan, Ó Mael Eidigh (MULEADY, MALADY, MALLEW, MELODY, MILEY, MILLEA), Ó Maolagain (MULLIGAN, MILLICAN, MILLIKAN, MILLIKEN), Mac Cochlainn (COLGAN) | Barony of Lower Philipstown, Co. Offaly | Uí Failge | O'Hennessy of Gailenga Bec, and of Uí Mac Uais |
| Ui Mealla | Rosa Failgi m. Cathaír Máir. | Ó Finnthighearn (FINNERAN, FANARAN) | Uisneach, now in Galway and Roscommon | Uí Failge | ||
| Maigh Aoife | Rosa Failgi m. Cathaír Máir. | Ó Moenaigh (MOONEY, MAINEY, MEONA,, MOONY), Ó Mughron (MORAN, MORAINE, MORANE, MOREN, MORRIN, MORYNE, MOURANE, MURRAN), Ó Muireagain (MORGAN MORRIGAN, MURCAN, MURGAN, MERRIGAN) | Parsons of Ballymooney, Geasehill, Offaly | Uí Failge | ||
| Uí Enechglaiss | Dúnlang m. Fiachrach m. Fínnsnechtae m. Cináeda m. Cathail m. Fiachrach m. Dúnchada m. Dúnlaing m. Dúngalaig m. Thuamín m. Máel Doborchon m. Dícolla m. Éogain [m. Beraig] m. Muiredaig m. Amalgada m. Nath Í m. Bressail Enechglais (a quo Uí Enechglais) m. Cathaír Máir. | Ua Fiachrach (O'Feary, FEERY, FEIGHRY, FEHERY, FEEREY, HUNT) | South of Arklow in County Wicklow | Dál Niad Cuirp | Uí Inmiti, Uí Aithemon Mestige, Cenél Lugair Fatha h-uir dia tát Uí Cruchtáin, Síl Fuamnaige .i. Uí Toísecháin ó Druim Laígill; Síl Duib Damruis Uí Gobbáin & Uí Muirbetaig & Uí Dimbrogo Nuadat | |
| Uí Drona | Labraid Laidech, son of Bressal Bélach, son of Fiachu Baicced, son of Cathair Mór | Ó Riain (RYAN, ROYNE, RYNE, RYANE) | Ó Domhnaill (DONNELL, DANIEL, DANIELS), Ó Dubhgilla (DOYLE DOWALL, DOWILLA, DOYAL), Ó hEideain (HAYDEN HAYDAN, HAYDON, HEADON, HEDANE, HEDIAN, HEYDON) | Baronies of Idrone East and West in county Carlow | Dál Niad Cuirp | Ui Drona Laighin |
| Uí Cheithig aka Uí Ceataigh | Cathair Mór's son Ailill Cétach (Céthech) | Ó Ceatfadha (KEATY, KEATHY) | Baronies of Ikeathy and Oughterany in northern Co. Kildare (Cenel n-Ucha and Uachtar Fine,respectively). Crích na Cétach: baronies of Warrenstown, co. Offaly and neighboring Upper Moyfenrath, co. Meath. | Dál Niad Cuirp | Cenél Ucha comprised the Uí Fithcellaigh, Uí Maili Derir, Uí Bóetain, Uí Broscai and Uí Folaing., Uí Mainchin of Tír Cenél nUcha, Ui Faebrannáin Uachtair Fine (of Ui Fine), Cilline mór, son of Coirpre, ancestor of the Ua Meimre and the Ui Foebraind of Uachtar Fine | |
| Cinel Uchae | Ó Coscrach (COSGRAVE, COSGROVE, COSKRY, CUSKER,), Ó Beaghain (BEHAN, BEAGHAN, BEAN, BEEGAN, BEGGANE, BEHANE, BIGANE, BIGGANE,BIGGINS, LITTLE), Ó Cobthach (COFFEY COFFEE, COFFIE, COFFY, COWEY, COWHEY, COWHIG), Mac Fhogartach (GOGARTY, GOGERTY, GOGGARTY) | Baronies of Ikeathy and Oughterany in northern Co. Kildare (Cenel n-Ucha and Uachtar Fine,respectively). Crích na Cétach: baronies of Warrenstown, co. Offaly and neighboring Upper Moyfenrath, co. Meath. | Dál Niad Cuirp | Uí Fithcellaigh, Uí Maili Derir, Uí Bóetain, Uí Broscai and Uí Folaing., Uí Mainchin of Tír Cenél nUcha (Clann Manchine at the Liffey) | ||
| Uí Dergmosaich h-ic Áth Chliath | Dergmosach m. Cathaír Már | Áth Chliath | Dál Niad Cuirp | |||
| Uí Luascán | Fergus Luascán m. Cathaír Már | Dál Niad Cuirp | ||||
| Uí Timmíne | Eochu Timmíne m. Cathaír Már | Dál Niad Cuirp | Uí Báetáin, Uí Buide | |||
| Uí Máil | Maine Máil m. Feidelmid Fir Aurglais m. Corbmaic Gelta Gáeth m. Niad Cuirb (Nia Corb) m. Con Corb (Cu Chorb) | Uí Ceallaig Cuallan (O'Kelly of the Dublin/Wicklow hills) | Uí Theig or Ó Taidhg (O'Tighe), | The Glen of Imaal, Co. Wicklow | Dál Niad Cuirp | |
| Uí Deaghaidh | Labraid Laidech, son of Bressal Bélach, son of Fiachu Baicced, son of Cathair Mór | Ó hAedha (Ó Hea,O'Hay or Hughes) | Limerick Hill (Luimnech) in north County Wexford, barony of Gorey | Dál Niad Cuirp | Uí Dega Tamhnaige (of Dál Birn) of north Ossory and the Uí Dega Bic (desc. from Daig Bec m. Labrada) of Offaly | |
| Dál Cormaic Luisc | Corbmaic m. Con Corb (clan of Cormac Losc) | Located in the southernmost barony of County Kildare, that is the barony of Kilkea and Moone. | Laighin | Uí Labrada, Uí Gabla Fini, Uí Gabla Roírenn, Uí Buide, Uí Dega Bic .i. Uí Muiredaig, Uí Chuilind, Uí Labrada Cuthraige .i. Síl Fergusa Cuthig, Uí Chuircc, Uí Librén, Uí Ochrai. | ||
| Uí Buide | Echthigern m. Donngusa m. Mencossaig m. Máelgairb m. h-Uargusa m. Buide (a quo Uí Buide) m. Laidcnén m. Cuimmíne m. Colmáin Elténe m. Blaithmeic m. Áeda Indén m. Cathbad m. Labrada m. Imchada m. Cormaic m. Con Corb. | Ó Caollaidhe (Queally, O'Kealy or O'Kelly) | Barony of Ballyadams, County Leix. East Kilkenny; and at Ballykealey, Carlow. | Dál Cormaic Luisc | ||
| Uí Labrada | Sinchell m. Cenannáin m. Macha mc Cruaich m. Dulge m. Imchada m. Brolaich m. Lugdach m. Labrada m. Imchada m. Corbmaic m. Con Corb | Cuthraighe (Ui Cormaic Laighen) | Dál Cormaic Luisc | Uí Labrada Cuthraige .i. Síl Fergusa Cuthig, Uí Chuircc, Uí Librén, Uí Ochrai | ||
| Uí Gabla | Sinchell m. Cenannáin m. Macha mc Cruaich m. Dulge m. Imchada m. Brolaich m. Lugdach m. Labrada m. Imchada m. Corbmaic m. Con Corb | Cuthraighe? (Ui Cormaic Laighen) | Barony of North Salt in northern County Kildare & Roíriu (now Mullaghreelion) a few miles south of Athy in south Kildare, respectively | Dál Cormaic Luisc | Uí Gabla Fine & Uí Gabla Roírenn | |
| Dál Messin Corb (Ui Meisincorp) | Mesin Corb mc Con Corbb | Ua Feghaile (O'Farrelly, Uí Garrchon) | Wicklow mountains, to north of Arklow in county Wicklow. Originally, Liffey plain. | Dál Messin Corb | Uí Garrchon, Uí Con Corbb, Uí Con Cainnig, Uí Chúáin, Uí Alténi, Uí Doccomláin, Uí Bróccáin, Uí Garbáin, Uí Chon Galand, Uí Bróccéni, Cenél Ciaráin & Uí Techtaire, Uí Meic Aird Maigne & Uí Moínaig & Uí Conndoith & Uí Feichíne & Uí Cáechtangéni, Uí Noíthig & Uí Follomuin & Uí Forandlo, Uí Dímmae Cirr & Uí Congnaid, Uí Dubchróin & Uí Beraich, Uí Donnáin & Uí Sáráin | |
| Uí Garrchon | Domnall m. Fergaile m. Flaithnia m. Máel Kalland m. Gormáin m. Fáebuirdatha m. Dúngaili m. Cethernaig m. Fáeburdatha m. Dúngaile m. Cethernaig m. Fáebuirdatha m. Marcáin m. Cillíne m. Rónáin m. Sinill m. Conaill m. Con Chongalt m. Finnchada m. Garrchon m. Fothaid m. n-Echach Lámdeirg m. Mesin Corb mc Con Corbb. | Ua Feghaile (O'Farrelly) | Ó Corra (CORR, CARRY, CARR), Ó Guaire (GORRY, GORY, GORE, GORRIE), Ó Lionnain (LENNON, LANNING, LEENAN, LENAN, LENANE, LENNANE), | Kings of Fortuath Laigin at Bray, Wicklow. | Dál Messin Corb (Ui Meisincorp) | Ui Saráin (Chimbeada), Ui Brain Deilgine, Ui Cholmain Fordobuil |
| Dal Cairbre Aradh (Dál Coirpri Aradh) Cliach | Mál mac Arbhara...Flaithbertach m. Crunnmaíl m. Commáin m. Fínáin m. Fhaigir m. Eirníne m. Féicc m. Meic Ieir m. Gossa m. Fabrich m. Máil m. Ainmerech m. Fir Roith m. Muine m. Fir Neud m. Fir Lugdach m. Buain m. Argatibair m. Cairpre Cluichechair mc Con Corb & Eithne Sithbaicce ingen side Óengusa Múisc | Ó hIarlaith (HERLIHY, HARLEY, HURLEY), Ó Geibhennach (GIVNEY, COVENEY, GEANY, GEVENEY, GIBNEY, GUINAN, GUINEA, KEVENEY), Ó Cathalain (, Ó Cadhla (KEILY, KEALY, KEELY, KIELY), Ó Longaidh (LONG, LONGY), Mac Muirnigh (MURNEY, MORNIE, MORNEY), Mac Bearthagra (BERKERY BARAGRY, BARGARY, BARRAGRY, BERACHRY, BERKERRY) | Ara Chliach was centered east of the city of Limerick, perhaps in or near the baronies of Clanwilliam and Coonagh in northeastern county Limerick. | Dál Cairpre Cluichechair | Uaithne Cliach, Uí Cuanaigh (MacMuirnigh, Ó Longaidh) | |
| Dal Cairbre Aradh Tíre | Finnchaidh, son of Ferroith...Connaid m. Máeli Doburchon m. Lóchéne m. Demle m. Lommáin m. Cuirc m. Findchada m. h-Írchada m. Fir Roith m. Fir Nuad m. Buain m. Airgetbrain m. Cairpri Cluichechair m. Con Corb unum genus est & Dál Cairpri Arad Tíre. | Ó Riada (REIDY, REEDY, REDDY, READY -W. Tipp.), Ó Donnagain (DONEGAN, DONNEGAN, DONNEGANE, DOONICAN, DOONIGAN, DUNICAN, DUNNIGAN) | Ó Murnain (MURNANE, MARRINANE, MARNANE, WARREN-W. Tipp.), Ó hAinmhireach (HANBERRY, HANNEBERRY, HANBURY, HAMERY, ANSBORO-W. Tipp.), Ó Bodhran (BURRANE, BORAN -W.Tipp), Ó Danchair (DANAHER, DANAGHER), Ó Dubh Dabharc (DURACK, DOORICK -W.Tipp Uaithne Tíre), Ó Loingsigh (LYNCH LYNCHY, LENCH,LENCHY) | Co. Tipperary (Aradh Tíre was located in northern Tipperary, within the half barony of Ara (and Owney) or the northern half of the barony of Owney and Ara.) | Dál Cairpre Cluichechair | Uaithne Tíre |
| Dál Coirpri Cliach (Dál Coirpri Loingsic Beic) | Lughaidh Corb from,..Cairpre Cluichechair mc Con Corb & Eithne Sithbaicce ingen side Óengusa Múisc | Barony of Idrone in Co. Carlow (in Leinster). | Dál Cairpre Cluichechair | Dál Coirpri Loingsic | ||
| Dál Coirpri Loingsic | Coirpri Musc the poet, who received the land of Tír nAmhais from Aongus Musc. ...Lughaidh Corb from,..Cairpre Cluichechair mc Con Corb & Eithne Sithbaicce ingen side Óengusa Múisc | Munster | Dál Coirpri in Ara Cliach (Dál Coirpri Loingsic Beic) | |||
| Uí nEirc (Ui Maic Eirce) | Tuthal son of Muirithe, son of Maoltuile, son of Cuan, son of Conall, son of Grilline, son of Maoltuile son of Cuan, son of Conall, son of Grilline, son of Mac Eirc (a quo Ui Maic Eirce), son of Ailill Cennfada, son of Erc, son of Cairbre eabha, son of Brian, son of Fiacha Fidhgheinte (a quo Ui Fidhgeinte) | Ó Bruadar (BRODER, BRODERICK, BROTHERS) | Mac Braoin (BREEN, MacBREEN, BRUEN, BRUYN, BRYAN) | Osraighe | Na Clanna (Mac Braoin) | |
| Uí Duach | Ó Braonain (BRENNAN, BRANNAN, BRANNON) | Airgetros in Maigib Raigne, Fassadinin, Idough barony, Kilkenny. | Osraighe | Clann Amhlaibh (Clan Awly of Ui Duach), Clann mic Conill, Clann c. mhic Kelowe, alias Clann mhic Gillenanaomh & Clann Muirchertaigh | ||
| Ui Berchon (Ui Bearrchon) | Iachtchair, a descendant of Aengus Osrithe | Ó Callaidhe (O'Kelly, O'Kealy, O'Coely) | Old barony of Ibercon, forming the northern portion of the more modern barony of Ida (O'Donovan), in southeast Co. Kilkenny | Osraighe | ||
| Ui Cruinn (Uí Crinn, Uí Grine) | Medieval 'barony' of Igrin [modern barony of Ida], in southeast Co. Kilkenny | Dál Chormaic | ||||
| Uí Fairchelláin | Ua hÚrachán (O'Horahan) | Parish of Offerlane, Co. Leix | Osraighe | |||
| Úi Scelláin | Scellan, who was sixth in descent from Aengus Osrithe | Ó Sceallain (SCALLEN, SKALLEN, SKELLAN, SKELTON) | Hui Scellain was in Sliabh Mairge, the mountain district which, extending into Kilkenny from Carlow and Queen's County, embraced the Castlewarren, Johnswell, and Kilmogar hills, in the north of the Barony of Gowran | Osraighe | ||
| Tuath-an-Toraidh | Ua Dubhsláine (DELANEY,DELANE, DELANY, DULANE, DULANEY, O'Delany or O'Dulany ) | Coill Uachtarach, barony of Upper Woods, Co. Leix | Osraighe | |||
| Úi Geintich | Ua Donnachadha (Dunphy, O'Donochowe, O'Dunaghy, O'Donoghue, Donohoe, Donagh) | Ogenty [Ui-Geintigh, and Tir-Ua-nGentigh], Barony of Gowran, Co. Kilkenny. | Osraighe, [Mag Máil] | |||
| Fothairt in Chairn aka Fothar Tíre | Sétna, the son of Artt Cerp, son of Cairbre Niad, son of Cormac Már, son of Óengus Mend, son of Eochaid Find Fuath n-Airtt, son of Feidhlimidh Reachtmhar, son of Tuathal Teachtmhar | Ó Lorcain (LARKIN, LARKAN, LARKEN, LARCOM, LARKING, LERKIN,) | Barony of Forth, Co. Wexford | Fotharta | Fothairt Fili, Fothairt Tuile, Fothairt Maige Ítha (7 Aicme (tribes), viz., Ui Deaga, Ui Setna, Ui Dimai, Ui Eircc, Ui Chormaic, Ui Niath and Ui Duirrtheacht. ), Fothairt Imchlár oc Ard Macha & Fothairt Bile. | |
| Fothairt Feadh aka Fotharta Osnadhaigh | Dub Indrecht m. Fergusa m. Moínaig m. Fínáin m. Rónáin m. Echach m. Báeth m. Nannida m. Féicc m. Ier m. Cathbath m. Adnaich (a quo Fothairt) m. Airt Chirp m. m. Coirpri Niad, in descent from Cormac Már m. Óengusa Mind m. Eochaid Find Fuath n-Airtt m. Feidelmid Rechtada m. Thuathail Techtmair | Ó Nuallain (NOLAN, KNOWLAN- Laeghis) | Ó Bolguidhir (BOLGER, BULGER), Ó Cobthach (COFFEY, COFFEE, COFFIE), Ó Luinin (Lineen), | Barony of Forth, Co. Carlow | Fotharta | Fothairt Airthir Liphi, Fotharta Airbrech fri Brí Ele aniar, and Fotharta Fer Cúl, Fothar Breg; alias Fothar Mac nDeichill of Bregia. |
| Beann Traidhe | Cillíne m. Dochartaich m. Eóin m. Feromuin m. Aildíne m. Oirenn m. Mágach m. Cellaich Croto m. Nechta m. Lugna m. Inomuin m. Benta a quo Bentraige nominantur nó Benta filius Conchobuir m. Nessa ut alii dicunt m. Máil m. Formáil m. Sírnae m. Forich m. Rochada m. Clothnai m. Coirbb m. Sethrann m. Loga m. Cethnenn. | Ó Coigligh (O'Coskry, COGLEY, KEGLEY) Clann Cosgraigh (O'Coskry, Cosgry, Coskerry, Cosgrave) | Ó Beice (BECK, BEAKY, BAKEY ), Ó Bogaigh (BUGGY BUGGEY, BOGGY), Ó Cluainaigh (CLOONEY, CLONEY) | Cruithin | ||
| Laeghis | Fachtna m. Milige a quo Baccán m. Brain m. Eircc h-Ubulchind m. Feidelmid mc Findchada m. Fiachach Uanchind m. Dáire m. Rossa m. Ogomain m. Fergusa Múlcheist m. Fachtna m. Milige m. Intait m. Lugdach Loíchsi m. Conaill Cernaich. | Ó Mordha (O'MORE, MOORE) | Mac Gaethin (GAHAN, MacGEEHAN, MAGEEHAN), Mac Ceadach (KEADY, KEADIE, KEDDY, KEEDIE, KEEDY, MACKEADY), Ó Leathlobhar (LALOR, LAWLOR), Ó hArraghain (HARRIGAN, HARAGHAN, HARAHAN), Ó Liathain, Mac Laoidhigh (LEE, MacLEA, MacLEE), Ó Suaird (SWORDS SORD, SOURDES, SUARD), Ó Broithe (BROPHY, BROFIE), Ó Casain (CASHIN, KISSANE), Ó Deoradhain (DORAN, DORRIAN), Ó Dunlaing (DOWLING), Ó Duibhgainn (Deegan), | Co. Laois | Laeghis | |
| Cinel Crimthann | Ó Duibh (DUFF, DUFFY) | Ó Dubhuidhe (Deevy or Devoy), Ó hIndreadhain (HOURIHAN) | Ballyduff, Stradbally, Co. Laois. Lord of Creamhthainn (i.e. Maryborough) | Laeghis | Ui Crimthainn Áin (O'Devoy) | |
| Ui Mic Uais Breagh aka Muintir Fhiodhbhuide | Mac Fhiodh bhuidhe (McEvoy) | Ó hIffernain (HEFFERNAN, HIFFERNANE) | Mountrath, Co. Laois | Laeghis | Clan Crecain (Ó hIffernain) | |
| Ui Meith Macha alias Ui-Meith Tire | Imar m. Muircertaich m. Duibdarac m. Scannlain m. Indrachtaich m. Gairbid m. Ainbeith m. Mailbrigti m. Duibinnracht m. Taidg m. Innreachtaich m. Muiredaich m. Mailimuchair m. Scannlain m. Fingin m. Aedha m. Fiachrach m. Fiachrach m. Eogain m. Briuin m. Muiredaic Meith (a quo H. Meith) m. Imcadha m. Colla Da Crich m. Eachach Doimlen. | Ó hInnreachtaigh (O'Hanratty) | Ó hAinfeith (HANVEY, HANNAY, HANNEY), Ó Mael Brigdhe (MULREADY, MULBREEDY, MULBRIDE, MULREEDY, MURREADY, MULREDDY), Ó Gairbith (GARVEY), Ó hUarghuis (HORISH,HORISKY, HOURISKEY, WHORISKEY, WATERS, CALDWELL), Ó Beice (BECK, BEAKY, BAKEY), Ó Mearain (MARRON MARRAN, MARRANE, MARREN, MEARN), Ó Smollain (SMOLLEN,SMULLEN), | Barony of Monaghan, in the County of Monaghan | Síl Colla Focrích | Ui-Seaain (Ó hAinfeith), Ui-Meath-Mara [Omeath] |
| Fernmag, or Fer Fernmaighe [Farney] | Lethlobor m. Fogartaig m. Muiredaig m. Laidgnen m. Fogartaig m. Donnacain m. Fogartaig m. Ruadrach m. Mailfothardaig m. Arthraich m. Aithechda m. Mailduib m. Mailfothardaig m. Cronain m. Fergusa m. Nadsluaig m. Daim argait m. Echach m. Cremthaind Leith m. Feicc m. Dega Duirn m. Rochatha m. Colla Fochrich m. Echdach Doimlen. | Ó Ciaráin (O'Kieran) | Uí Chríochain (O'Creehan, CREHAN, CREIGHTON, CRICHTON, Uí Lorcáin, Mac Cuilinn (MacQUILLAN), Ó Donnagan (DONEGAN, DONNEGAN, DONNEGANE), Ó Merligh (MARLEY, MARLIE), Ó Daimhin (DEVINE, DEVANE, DEVIN), Ó Dubhruis (DOORISH, DORISH, DORIS, DOURISH), Ó Feadagain (FEDEGAN FADDIGAN, FEDDIGAN), Ó Callada (KELLEDY KALLADIE, KEELEDIE, KELEEDY), Ó Leanain (Leynan), Ó Luain (ÓLOAN, LOON, LUAN, LAMB), Ó Maoilfhinn (MALINN MALLIN, MALYNN, MILLYNN, MULLIN), Ó Marcaigh (MARKEY MARKAY, RIDER, RYDER), Mac Uaid (MacQUAID MacQUADE), Ó Reannachain (RENEHAN RENAGHAN, RENIGHANE, RONAGHAN), Mac Ruari (RORY MacGRORY, MacRURY), Mac Sceachain (SKEHAN SKEEHAN, THORNTON), Mac Soilligh (SOLLY, SOLLEY, SOLEY, SULLY), Ó Tuathail (Toal), Ó Tomaltach (TUMELTY, TOMALTY), Mac Cuairt (MacCOURT, COURTNEY), Mac Raghiallaigh (CRILLY, CROLY, CROLLY), | Barony of Farney, Co. Monaghan. | Cenél Rochada, Síl Colla Focrích | |
| Clann Lugainn | Lugain, son of Irgalach, son of Eignich, son of Cormac, son of Fergus, son of Aed, son of Cormac, son of Cairpre Dam Argait. Daim Argait (Corpri) son of Echach son of Cremthaind Leith son of Feicc son of Dega Duirn son of Rochatha son of Colla Fochríth | Mag Uidhir (Maguire) Meicc h-Uidir | Ó hEgneach (HEANY, BIRD, HEENY, HEGNEY, HIGNY), Ó Dubhdhara (DARRAGH, DARRA, DARROUGH, OAKS), Mac Maghnuis (McManus), Mac Gafraidh (MacCaffrey, Godfrey), Mac Gothraidh (MacCORRY MacGORRY, GODFREY, GOHERY, GOFFREY ), MacAmhlaimh (MacAuley), Mac Asidha (Cassidy), Mac Gilla Uidhir (MacALEAR, MacELEER), Mac Carmaic (MacCORMACK), Mac Aodh (MacGEE, GEE, MAGEE), Mac Ailghile (LILLY CALILLY, LELY, LILLIE, MacALILLY, MacALYLY), Mac Lochlainn (LOUGHLIN MacLACHLAN), MacMurchadha (MacMORROW, Murrow -Clann Aodh), Mac Giolla Iosa (MacALEESE GILEECE, MacLEECE), Mac Con Uladh (MacANALLY, COWLEY, CULLOO), Mac Braoin (BREEN, MacBREEN), | Co. Fermanagh | Síl Daim Argait (Uí Cremthainn) | |
| Muintir Pheodachain (or Muintir Feodachain) | Cormac, son of Cairpre Dam Argait | Mac Giolla Finnein (MacALINION, GILLEEN, GLENDON, LEONARD) | Síl Daim Argait (Uí Cremthainn) | |||
| Muintir Caeman | Cormac, son of Cairpre Dam Argait | Síl Daim Argait (Uí Cremthainn) | ||||
| Clann Fergaile | Cormac, son of Cairpre Dam Argait | Ó Baoigheallain (BOYLAN, BOYLAND) | Mac Giolla Coisgle (CUSKELLY, CUSKLEY, CUSKERY, MacCUSHELY, QUISKELLY, QUOSKLY), | Síl Daim Argait (Uí Cremthainn) | ||
| Sil nDaimine | Daimíne, son of Cairpre Dam Argait, son of Eocho, son of Crimthann Lethan, son of Fiacc, son of Daig Duirn, son of Rochaid, son of Colla Fochríth (da-Chrioch). | O'Maolruanaidh (Mulrooney) | Co. Fermanagh | Síl Daim Argait, Uí Chremthaind | ||
| Síl Tuathail an Tuaiscirt aka Fir Leamhna | Tuathal, son of Daimíne (a quo Síl Daimini), son of Cairpre Damargait, son of Echach, son of Crimthann, son of Fiacc, son of Daig Duirn, son of Rochaid, son of Colla Fochríth | Ó Caomhain | Clogher (Clochar mac nDaimin) in modern county Tyrone. | Síl Daim Argait (Uí Cremthainn) | ||
| Clan Ceallaigh | Daimine, son of Cairpre Dam Argait | Mac Domhnaill (MacDONNELL) | Ó Flanagain (Flanagan) | Lord of Clankelly, Lisnaskea, Fermanagh | Síl Daim Argait (Uí Cremthainn) | |
| Clann Nadsluaigh | Nadsluaigh, son of Cairpre Dam Argait, son of Eocho, son of Crimthann Lethan, son of Fiacc, son of Daig Duirn, son of Rochaid, son of Colla Fochríth (da-Chrioch) | Mac Mathghamna (MacMAHON, MacMAHAN, MAGHAN) | Mac Íomhar (MacGiver, KEEVER MacKEEVER, MACEVER, MACKEVER, KEVER), Mac Ardghail (MacARDLE, ARDALL, MacCARDLE, CARDWELL), Mac Bradaigh (Brady), Ó Cearbhail (CARROLL, CAROOL), Mac Pilib (MacPHILLIPS) | Clones, Co. Monaghan | Síl Daim Argait | McMahon (MacArtghail, MacIomhar & MacPilib), O'Carroll (Mac Bradaigh). |
| Uí Briúin Archaille | Brian son of Daig Duirn son of Rochaid son of Colla Fochríth | Ua Tuamain | Barony of Dungannon, co. Tyrone, which is located on the western side of Lough Neagh. | Co. Fermanagh | Síl Daim Argait (Uí Cremthainn) | |
| Uí Labrada | Co. Fermanagh | Cenél Rochada | ||||
| Dál n-Oaich | Crimthann Oach, son of Fiacc, son of Daig Duirn, son of Rochaid, son of Colla Fochríth | Co. Fermanagh | Cenél Rochada | |||
| Uí Meic Brócc | Echdach Amainsen, son of Crimthann, son of Fiacc, son of Daig Duirn, son of Rochaid, son of Colla Fochríth | Co. Fermanagh | Cenél Rochada | |||
| Úa Bresail Airthir [Orior] | Buachalla m. Conchobuir Corraig m. Máel Dúin m. Fíngin m. Rónáin m. Tuathail m. Ailella m. Conaill m. Féicc m. Bressail m. Feidelmid m. Fiachrach Cassáin m. Collai Fochríth. | Ó Céalecháin (KEALAGHAN, KEALAHAN, KEELAGHAN) | Ó Cernachain (KERNAGHAN, KEARNAGHAN), Ó Madadhain (Madigan), Ó Tréinfhir (TRAINOR TRAINER, TRAYNER), Mac Acadain (MacCADDEN, CADIGAN, MacADAM, MacADAN), Ó Caisile (CASSILY CASHEL, CASLEY, CASSELL, CASSELY, CUSHLEY), Ó Dalachain (DULLAHAN, DALLAGHAN, DALLAHAN, DALLAN, DOLOGHAN), | Northern Armagh | Airthir, Síl Fiachra Cassán | Clann Fermaighe (Mac Acadain), Muintir Caiseil |
| Úa Bresail Macha | Cummascaig m. Conchobuir Chorraig m. Mailduin m. Finghin m. Ronain m. Thuathail m. Ailella m. Conaill m. Feicc m. Bressail m. Feidlimthe m. Fiachach m. Colla Fochrich. | Ó Gairbith (GARVEY) | Ó Gabhain (GOAN, SMITH, SMYTH), Ó Cairregain (KERRIGAN, CARRIGAN, CARAGHAN, CARAHAN), | Northern Armagh | Airthir | |
| Uí Echdach alias Ui Eachach Orior | Murcad m. Ruaidri m. Muiredaich m. Ailella m. Cumascaigh m. Echadon m. Ruadacan m. Cellaich m. Ruadrach m. Conmaeil m. Airmedaich m. Feradaich m. Amalga m. Aililla m. Echach m. Feidlimthe m. Fiachrach m. Colla Da Crich. | Ó Ruadhacain (ROGAN, REDEGAN, ROHAGAN, ROOGAN, RODAGHAN) | Ó Domhnaill (DONNELL ), Mag Labhradha (GLORY, GLORNEY, MAGLORY, MacGLORY, MacLAVERY, LAVERY, MacLOWRY), Ó hAileagain (HALLAHAN, HALLIGAN, HOLLEGANE, HOLLIGAN), | Northern Armagh | Airthir | Síl Ciarain Ua nEchach, Clann-Ruadhagain |
| Uí Nialláin (Clan Cernaich) | Nialláin m. Féicc m. Feidelmid m. Fiachrach Cassáin m. Collai Fochríth. | Ua hAnluain (O'Hanlon) | ÓLorcain (LARKIN, LORKING, LORCAN, LORCAYNE, LURKAN, LURKAYNE), Ó hUidhrin (Herane), Ó hAedhagain (HEGAN EAKIN, EAKEN,HAGAN), Ó Muanain (MOYNAN MONAN, MONANE, MONAYNE, MONYNE, MOONAN, MOYNE), Mac Riabhaigh (MacREEVY MacCREVEY, MacGREEVEY), Mac an tSionnaigh (TINNEY, MacASHEENY, MacATINNEY, ÓTINNEY, TINNY), Mac Gilla Fhiondain (MacALINDON), Ó Cearnaigh (CARNEY, CARNY), Mac Concaille (MacCONKEEL, MacENHILL, WOODS), Ó Foirredh (FUREY, FURY), Ó hEoir (HAIRE HAIR, HARE) | The baronies of Oneilland East and West in modern county Armagh. | Airthir | |
| Uí Dorrthainn (alias Ui Dorthinn, Dorthaind, Dorethainn, Tortain) | Dorthon, son of Fiacc, son of Feideilmid, son of Fiachra Cassán, son of Colla Fochríth | Brechmag, centered perhaps near Ardbraccan, 2 miles west of Navan, co. Meath | Airthir | |||
| Uí Tréna | Trian son of Feidhlimidh, son of Fiachra Cassan, son of Colla Da Crich. | Co. Armagh | Síl Fiachra Cassán | Craebh Carthaind | ||
| Uí Eochada | Fiachra Cassan, son of Colla Da Crich. | Co. Armagh | Síl Fiachra Cassán | |||
| Uí Cruind | Fiachra Cassan, son of Colla Da Crich. | Co. Armagh | Síl Fiachra Cassán | |||
| Uí Maic Caírthinn alias Cenél Meic Cárthind | Cairthand (a quo H. Mc. Carthaind), son of Eichin, son of Bec (ri Airgiall) m. Cuanach m. mc. Dairi mc. Feidhlimidh mc. Echin mc. Fiacrach Tort mc. Echach mc. Colla Uais | Ó Cochlainn (COLGAN) | Ó Conghaile (Connell),Ó Cein (KEENE, KEEN, KAIN, KANE), Mac Giolla Michill (MacMEEL MacGILMIHILL, MacGILMICHILL, MITCHELL) | Lough Foyle, Tirkeeran, County Londonderry, | Uí Meic Uais, Síl Colla Uais | Clan Conghail (Mac Giolla Michill) |
| Uí Fiachrach Arda Srátha | Crichain m. Cathasaich m. Mailcothaig m. Guairi m. Forannan m. Ainmerech m. Cormaic m. Dochairtaig m. Fiachach m. Eirc m. Eachach m. Colla Oss | Ó Críochain (O'Crehan or Creighton) | Ó hAedha (ÓHea), | Ardstraw, Tyrone | Uí Meic Uais, Síl Colla Uais | |
| Ui Tuirtre | Floind (otait Ui Loind) m. Muiredaig m. Indrachtaigh m. Reachtabrat m. Mailcraibhi m. Mailfotartaigh m. Suibni m. Furodran m. Bece m. Cuanach m. Dairi m. Feidhlimthe m. Fechin m. Fiacrach Tuirtri m. Eachach m. Colla Uais. | Mac Fhloinn (O'Flynn or O'Lynn) | Ó Foirbhithe (FURPHY, FURFIE, FURPHEY, FURVEY), Ó hUid (HOOD HOUD, HUDE, MacHOOD, MAHOOD, ÓHOUD), Ó Maelruanaidh (MULROONEY, MULRONEY, MURRONY), Ó Domhnaillain (DONNELLAN, DONELAN), | West of Lough Neagh (in modern County Tyrone), as well as northwest of the great Lough in the modern barony of Loughinsholin, County Londonderry. | Uí Meic Uais, Síl Colla Uais | |
| Uí Mac Uais Mide | Colla Uais. | Ua Comhraidhe (O'Curry) | Moygoish barony, co. Westmeath) | Uí Meic Uais, Síl Colla Uais | ||
| Uí Mac Uais Breg | Colla Uais. | ÓhInnascaigh (Ennis) | Ó Minnegain (MINNEGAN, MINNICAN), Ó Cormaidhe (CORMIE CORMY, CORMEY, COOMIE, CUMEY), Ó Dubheoin (DEVINE, DEVANE, DEVIN), | Upper Kells/Lower Navan baronies, co. Meath | Uí Meic Uais, Síl Colla Uais | |
| Cenel mBecce | Suibni (a quo Cenel mBece) mc. Mailodrain mc. Suibne mc. Bec mc. Cuanach mc. Dairi mc. Feidhlimidh mc. Echin mc. Fiacrach Tort mc. Echach mc. Colla Uais | Síl Colla Uais | ||||
| Uí Dáire | Síl Colla Uais | |||||
| Uí Cormaic | Brion, son of Echach, son of Colla Uais | Síl Colla Uais |