Airther Seóla
Archived: 3 November 2026
Abstract
In 653 CE, the clearest Irish political event preserved by the annalistic tradition was a battle in Connacht: the battle of Airther Seóla. The Annals of Tigernach and Chronicon Scotorum record that Marcán son of Tommán, king of the Uí Maine, was killed, while Cenn Fáelad son of Colgu and Máenach son of Báithín, king of the Uí Briúin, were victorious. This is a small entry, but a consequential one. It reveals competition between powerful Connacht dynasties, the lethal stakes of regional kingship, and the way an encounter in one locality could reshape authority far beyond a battlefield. The evidence