Nicol Ó Leaáin, Bishop of Kilmacduagh, from 1394 to 1397.
Ó Leaáin (O'Leane, Lane, Linnane) is associated with the Oranmore-Clarenbridge area of County Galway.
Ó Leaáin was appointed 14 October 1393 and consecrated c. 1394; confirmed bishop 30 August 1396.
The see remained vacant until the appointment of Énri Ó Connmhaigh, Bishop of Clonfert, in March 1405.
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