Mugrón mac Flainn
Mugrón mac Flainn was a king of the Uí Failge, a Laigin people of County Offaly. He was one of the many sons of Fland Dá Chongal, a previous king. He ruled from 770 to 782. He was the third of Fland's sons by Érenach, daughter of Murchad Midi of Uisnech to hold the throne.
Mugrón aligned with Bran Ardchenn mac Muiredaig, claimant to the Leinster throne versus the incumbent king Ruaidrí mac Fáeláin. They were however defeated at the Battle of Curragh and Mugrón was slain.
His sons Óengus mac Mugróin and Cináed mac Mugróin were Kings of the Uí Failge. Another son Colcu was ancestor Clann Colgcan in northern Offaly.
