Eochaid, son of Ailill Finn, was a legendary High King of Ireland. He became king when his father was killed by Airgeatmhar and his ally, Duach Ladhgrach. Eochaid withheld Airgeatmhar's attempts to overthrow him, but when he held a meeting to discuss peace with Duach he was betrayed and murdered, allowing Airgeatmhar to take the kingship. Ailill or Oilioll Finn, son of Art mac Lugdach, was a legendary High King of Ireland. ... The office of High King of Ireland (Irish: Ard Rí Érenn) was in origin a pseudohistorial construct of the eighth century that placed a king of all Ireland atop the fragmented pyramid of kingship that actually existed at that time. ... Airgeatmhar, son of Sirlám, was a legendary High King of Ireland. ... Duach Ladhgrach was a legendary High King of Ireland. ...

Ailill or Oilioll Finn, son of Art mac Lugdach, was a legendary High King of Ireland. ... The High Kingship of Ireland was a pseudohistorical construct of the eighth century AD, a projection into the distant past of a political entity that did not become reality until the ninth century. ... Signature page from the Annals of the Four Masters Entry for A.D. 432 The Annals of the Four Masters or the Annals of the Kingdom of Ireland by the Four Masters are a chronicle of medieval Irish history. ... Seathrún Céitinn, known in English as Geoffrey Keating, was a 17th century Irish clergyman, poet and historian. ... Airgeatmhar, son of Sirlám, was a legendary High King of Ireland. ...

see Eochaid for other legendary and historical figures of the same name.