1263 First of January on Monday and the sixteenth day of the moon. A.D. MCCLXIII. Twenty-third year of the Solar Cycle; tenth year of the Lunar Cycle; sixth year of the Cycle of Indiction. Common year.
Donn O Breslein was killed with treachery and guile by Domnall O Domnaill in the Bishop's palace at Raphoe.
Macwilliam Burke marched to attack Fedlim O Conchobair at Roscommon, but the Sil Murray fled into North Connacht and the Galls found no preys to lift this time. Donnchad O Flainn and Tadc his son attacked a detachment of that army and killed a hundred of them, gentle and simple, among whom were Aitin Ruitsel and his son and the five sons of Cu Chonnacht O Conchobair and many others, and the army went home sorrowfully afterwards.
Tomas O Cellaig, bishop of Clonfert, rested in Christ.
Ebdond, king of Lochlainn., died in the Orkneys on his way to Ireland.
Dauid O Finn, abbot of the monastery of Boyle, rested.
Diarmait the Clerk, son of Cormac Mac Diarmata, died.
Andiles Mag Findbairr, chieftain of the Muinter Geradain, died.
The Prior of Derrane, Gilla Patraic son of Gilla na nGusen, a most bountiful and pious man, rested.
Mael Fabaill O hEdhin was killed by the Galls.
Mael Ciarain O Maileoin, abbot of Clonmacnoise, rested.
A castle was built by Macwilliam Burke at Ath in Gail in Corann.
A very hot summer this year.
Machair O Ruadain was treacherously killed by the Galls in the doorway of the church at Kilshesnan this year.
Etain daughter of O Flannacain died.