Muirchertach Ua Carmacáin, Bishop of Clonfert, 1195-1203.
Ó Cormacáin was a member of an ecclesiastical family based in Síol Anmchadha, in what is now south-east County Galway.
Later members of the family were bishops of Clonfert and Archbishop of Tuam, as well as Abbots of the abbey of Abbeygormican in that county.
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