1239 First of January on Saturday and the twenty-second day of the moon; twenty-seventh year of the Solar Cycle; fifth year of the Decemnovennial Cycle; twelfth year of the Indiction. MCCXXXIX. Common year. B.
Muirchertach son of Domnall O Briain died this year.
Toirrdelbach son of Ruaidri O Conchobair, King of Connacht, died this year.
The battle of Carnteel was fought by Domnall Mac Lochlainn. Here were killed Domnall O Neill of Tamnach, Mac Mathgamna, Somairle O Gormlegaig, Caech O Gormlegaig of Barnasmore and the nobles of Cenel Muain, with a multitude of others. After this defeat of Cenel Muain and Oriel, Mac Lochlainn regained the kingship which had been taken from him.
Fergal son of Cu Chonnacht O Raigillig, king of Dartry and Clann Fermaige (or, according to another book, of Brefne east of the Mountain), was killed by Maelruanaid son of Fergal and Conchobar son of Cormac [Mac Diarmata]. He had gone a-raiding against the sons of Niall son of Congalach [O Ruairc] plundered them and taken a house which they were holding. The sons of Niall came out of the house under a promise, but he was killed after the killing of Raigillig's son.
The Galls of Ireland raided O Domnaill. They plundered Carbury while the Justiciar himself waited for them at Ballysadare, and their skirmishers went as far as Drumcliff.
Lasairfina, daughter of Cathal Crobderg and wife of O Domnaill, gave a half-townland of [her] marriage-estate, Rossborne, to Clarus Mag Mailin and the community of Canons on Trinity Island in Loch Key, this year, in honour of the Trinity and Mary our Lady.
Cormac son of Art O Mailsechlainn died.