Kalends of January
Muiredach son of Aimirgein, abbot of Leithglenn, Dub Dúin son of Irgus, die.
Cuana, abbot of Mainister Buite, died.
Maenach son of Colgu, abbot of Lusca, a good lector, ended his life unhappily and mournfully.
Fine, abbess of Cell Dara, died.
Dub dá Bairenn, grandson of Dubán, superior of Cluain Iraird, was added to his fathers.
Cernach son of Fergus, king of Loch Gabor, dies.
A hosting by Aed to Dún Cuair, and he divided Laigin between two Muiredachs, i.e. Muiredach son of Ruaidrí, and Muiredach son of Bran.
The killing of Cormac son of Muirgius, abbot of Baislec; and the subsequent devastation of Ciarraige by Muirgius.
Muirchertach son of Donngal, king of Bréifne, died.
Cell Achaid, with its new oratory, caught fire.