Uilliam Ó Cormacáin

Uilliam Ó Cormacáina, Archbishop of Tuam 5 May 1386 – 1393.

Ó Cormacáin was a member of an ecclesiastical family based in Síol Anmchadha, in what is now south-east County Galway. Muirchertach Ua Carmacáin (died 1203) served as Bishop of Clonfert, as did Uilliam after becoming Archbishop.