1261 First of January on Saturday and the twenty-fourth day of the moon. A.D. MCCLXI. Twenty-first year of the Solar Cycle; eighth year of the Lunar Cycle; fourth year of the Indiction. Embolismal year. B. Last year of the Ogdoas.
Sixteen of the principal clergy of the Cenel Conaill, including Conchobar O Fergail, were killed by Conchobar O Neill and the Cenel nEogain at Derry.
Conchobar O Neill was immediately killed, through the miracle of Colum Cille, by Domnall O Breslein, chieftain of Fannad.
Aed son of Maelsechlainn O Conchobair was killed by Maelfabaill O hEdhin.
Very destructive war was waged against the Galls this year by Fingen son of Domnall Mac Carthaig and his kinsmen.
A great hosting was made by the Fitz Geralds into Desmond, to attack Mac Carthaig; but he attacked them and routed them and fitz Thomas, John by name, and his son were
Art son of Cathal Riabach O Ruairc escaped from Aed O Conchobair and the chieftains of Brefne and Conmaicne made him king of Brefne.
Mac Feorais violated the great church of St. Feichin at Ballysadare by killing five of the men of Leyney in it, among whom was Cathal O hEgra.
Domnall O hEgra made a raid on the Clann Feorais in retribution for this, killing Sefin Mac Feorais. And the helmet which he had taken from the church at Ballysadare was on his head when he was killed.
Brian Ruad O Briain burned and scattered Castleconnell and killed all the people therein.
John de Verdun marked out the site of a castle at Moydow in Muinter Gilligain this year.
Aed O Conchobair's stronghold at Snam Muredaig was burned by the men of Brefne.
Fedlim O Conchobair's stronghold at Cloonsellan was burned.
Aed O Conchobair made a great raid into Brefne, reaching Drumlane. An effective defeat was given to some of his followers by their troops, so that many, though undistinguished, were killed.
Aed O Conchobair's son was given in fosterage to Art O Ruairc.
Gilla Crist son of Enna O Mailchiarain, chieftain of the Muinter Mailchiarain and Tellach Congusa, died.