Kalends of Jan. (on 5th feria, 15th of the moon), A.D. 1260.
The battle of Druim-derg was fought (in a place which is called Dromma-derg) at Dun-da-leathglas by Brian Ua Neill and Aedh, son of Feidhlimidh Ua Conchobair, against the Foreigners of the North of Ireland, wherein were killed many of the nobles of the Gaidhil, namely, Brian Ua Neill and Domnall Ua Cairre and Diarmait Mag Lachlainn and Maghnus Ua Cathain and Cian Ua Inneirghi and Donnsleibhe Mag Cana and Concobur O'Duibhdirma and Aedh, his son, and Amlaim Ua Gairmleaghaidh and Cu-Uladh Ua hAnluain. But one notable thing happened: fifteen men of the nobles of Clann-Cathain were killed on that spot. There were killed of the Connachtmen there: Gilla-Crist, son of Conchobar, son of Cormac Ua Mailruanaigh and king of Magh Luirg and Cathal, son of Tighernan Ua Conchobair and Maelruanaidh, son of Donnchadh Ua Mailruanaigh and Cathal, son of Donnchadh, son of Muircertach and Aedh, son of Muircertach the Fair and Tadhg, son of Cathal, son of Brian Ua Mailruanaigh and Diarmait, son of Tadhg, son of Muiredhach, son of Tomaltach Ua Mailruanaigh and Conchobur Mac Gille-Arraigh and Tadhg, son of Cian Ua Gadhra and Gilla-Beraigh Ua Cuinn and many other persons.
Domnall, son of Concobur, son of Tigernan Ua Conchobair, was killed by the Tellach-Dunchadha.
Abraham Ua Conallain, successor of Patrick, rested in Christ.
(Aedh Ua Neill the Tawny was made king over Tir-Eoghain.