Brión (a quo Uí Briúin) MAC EÓCHAICH King of Connacht

   General Notes:

He was eponymous ancestor of the Uí Briúin, who split into three groups: the Uí Briúin Ai (O'Conor, ...) of east-central Connacht, the Uí Briúin Seola (O'Flaherty, ...) of southwest Connacht, and the Uí Briúin Bréifne (O'Rourke, O'Reilly, ...) of northeast Connacht.

   Marriage Information: