1337 First of January on Wednesday and the twentieth day of the moon, MCCCXXXVII. Eighth year of the Lunar Cycle; fifth yeat of the Indiction; thirteenth year of the Solar Cycle. Common year. E. Last year of the Ogdoad.
William son of the Earl of Ulster and Brian Ban O Briain made peace, and Brian obtained possession of every territory which he had abandoned to the Earl's son, agreeing to pay its rent for each.
Aed Remor (the Stout) O Neill made peace with the Oirgialla and the Fir Manach.
Toirrdelbach O Conchobair, king of Connacht, built a stronghold at Athleague, [for defence] against Edmund Burke.
Seoan O Fallamain, chieftain of the Clann Uatach, died.
Tadc Mag Flannchaid, chieftain of Dartry, was killed with many others by Cormac son of Ruaidri son of Domnall O Conchobair, to avenge Seoan son of Domnall. On the same day great raids were made on the Dartraigi and the son of Muiris Mag Flannchaid was killed.
Tadc and Maelsechlainn, sons of Imar Mag Ragnaill, were captured by Cathal Mag Ragnaill, who was killed in pursuit by the sons of Imar (Conchobar and Tomaltach are the sons of Imar here) and Uilliam son of Mathgamain and the youth of the country. They killed Magnus son of Fergal the same day, and Tadc Mag Ragnaill assumed the chieftainship after these doings.
Domnall Ruad O Maille and Cormac O Maille were killed by the Clann Mebricc, with whom were other Galls, on the night of St. Stephen.
Master O Rothlain rested in Christ.
Matha O hUicinn, renowned for his poetry and humanity, entered into rest.
Enri Mac Martain was killed this year.
Toirrdelbach O Conchobair, king of Connacht, was heavily defeated by the Clann Chellaig. He was himself wounded and taken prisoner, losing his horses and armour and having many of his men killed.
Lugaid O Dalaig, Bishop of Clonmacnoise, rested in Christ.
Tomas son of Carmacc O Domnaill, Bishop of Tir Conaill and a most wise, pious, charitable and kindly man, rested in Christ.
Donnchad son of Muirchertach Mor Mac Eochacain, chieftain of Kenaliagh, was killed by the Ui Failgi.