Mauricius Ó Leaáin, Bishop of Kilmacduagh 1254-1284. Ó Leaáin (O'Leane, Lane, Linnane) is associated with the Oranmore-Clarenbridge are of County Galway. He was the first of three men of the surname to become bishop of Kilmacduagh.
Ó Leaáin was elected before 15 May 1254 and received possession of the temporalities after that date. He died before 16 January 1284.
| Preceded by Gilla Cellaig Ó Ruaidín |
Bishops of Kilmacduagh before 1253-1284 |
Succeeded by David Ó Sétacháin |