A Compendium of Irish Biography/Aedh Ollam
Aedh Ollam, King of Ireland, 739 to 748. He was noted as a bard as well as a warrior. The battle of Belach Feli, between Munster and Leinster, was fought in his reign. At a meeting with Cathal, King of Munster, at Tirdalethglas, they "established the rule, and law, and rent of Patrick over Ireland." He defeated the King of Leinster at the battle of Ath Senaid (Ballyshannon, County of Kildare), with dreadful slaughter. He was killed by his successor in the battle of Seridh, near Kells. 
- Ireland, History of, from the earliest period to the English Invasion: Rev. Geoffrey Keating: Translated from the Irish, and Noted by John O'Mahony. New York, 1857.