1423 First of January on Saturday and the twentieth day of the moon, MCCCCXXIII. Eighteenth year of the Lunar Cycle; first year of the Indiction; fifteenth year of the Solar Cycle. Common year.
Ulick an Fina, lord of Clanrickard, one who never refused poet or exile, a man full of bounty and valour, died in the full of his lordship, after a victory over the world and the Devil.
Donnchad O Cellaig, king of the Ui Maine, was killed by the sons of Uilliam O Cellaig and Aed son of Brian O Cellaig was made king in his stead.
Art Mag Aengusa, king of the Ui Echach of Ulster; died this year.
Fergus son of Uaithne O Fergail was killed by his own kinsmen in treachery, namely the sons of Rosa son of Conchobar O Fergail and Feradach son of Muiris O Fergail.
Domnall O Cennedig, eligible prince of Ormond, died.
The Earl of March came to Ireland with a great following of English and Welsh.
Conchobar O Fergail, Bishop of Ardagh of Bishop Mel, the hand bestowing wealth and riches to God's poor and needy and to the men of every art and science, protector of the churches of Conmaicne, died after a long sickness and was buried at Cluain Lis Bece.