Murchad Ua Flaithbertaig, Bishop of Annaghdown, c.1202-1241.
Ua Flaithbertaig was a member of that branch of the Muintir Murchada who took the surname Ó Flaithbheartaigh. His family were originally native to the Diocese of Annaghdown before been expelled by the Kings of Connacht and the de Burgh Earls of Ulster. Nothing particular appears to be known of Murchad's term.
References
Murchad Ua Flaithbertaig Wikipedia(Text) CC BY-SA