1320 First of January on Tuesday and the thirteenth day of the moon, A.D. MCCCXX. Tenth year of the Lunar Cycle, third year of the Indiction; twenty-fourth of the Solar Cycle. Common year. FE.
An important meeting between Cathal O Conchobair and Maelruanaid Mac Diarmata, where they made a wise and friendly peace. Afterwards Mac Diarmata came [back] into the country and this Cathal acted treacherously towards him and he was captured at Mullach Doramnach and his wife, Graine daughter of Mac Magnusa, at Rockingham. The countryside was then ravaged and Mael Isa Donn Mac Aedacain and his son and Tomaltach Mac Donnchada, lord of Tirerrill, were also captured.
Aed son of Tadc O Conchobair, whose fair form, nobility and bounty made him well qualified to be king of Connacht, was killed by Mac Martin, and Mac Martin was killed to avenge him.
Mathgamain son of Domnall Connachtach O Briain, tanist of Munster, was killed by the Clann Cuilein this year.
Mor, daughter of O Baigill and wife of O Fergail, died this year.