Corpus of Electronic Texts Edition
Chronicon Scotorum (Author: [unknown])

Annal CS1100

Kalends of January.

Gilla na Naem ua Eidin, king of Síl Muiredaigh and of all Connacht, dies and was buried in Cluain moccu Nóis.

Donnchad ua Eochadha, king of Ulaid, was imprisoned by Domnall grandson of Lochlainn, king of Cenél Eogain.

Cú Meda ua Laegacháin, overchief of Síl Rónáin, rested.

Mac Raith ua Flaithnén, successor of Ciarán and of Crónán of Tuaim Gréine, rested in exile in Achadh Bó.

Annal CS1101

Kalends of January.

A gathering of the men of Ireland with Muirchertach ua Briain in Caisel i.e. with laity and clergy, and Muirchertach ua Briain then gave Caisel of the kings as a gift to the Lord.

An army of the men of Ireland was led by Muirchertach ua Briain around Ireland i.e. by Eas Ruad and into Cenél Conaill and Inis Eoghain, and he destroyed Ailech, and over the narrows of the Camus into Ulaid and over Sliab Fuait home.

Magnus came to conquer Ireland.


A skirmish of two bands of soldiers in Cluain moccu Nóis, i.e. Muinter Tadgáin and Muinter Cinaeith, and Muintir Cinaeith were defeated and the Gilla Finn grandson of Uallacháin, king of Síl Anmchada, was killed there.

Cathal ua Muiricén, king of Tebtha, was killed by east Tebtha.

Donnchad son of Art ua Ruairc, king of Conmaicne, was killed by his own people.

Annal CS1102

Kalends of January on Wednesday.

Domnall son of Tigernán ua Ruairc, king of Bréifne and Connacht, was killed by Muinter Eoluis.

Mugrón ua Mungair, lector of Ard Macha, rested i.e. the father of Mael Maedóig and of Gilla Críst.

A year's peace was made by Muirchertach ua Briain with Magnus king of Lochlann.

Annal CS1103

Kalends of January.

Cormac son of Conn na mBocht, of the Mugdorna Maigen, successor of Ciarán of Cluain moccu Nóis, rested.

The battle of Mag Coba. An army was led by Muirchertach ua Briain with all Leth Moga and Connachta and the men of Mide, and they came to Ard Macha and were a fortnight encamped there; they went thence to Mag Coba and divided there and Muirchertach ua Briain and Donnchad ua Mael Sechlainn king of Mide and Domnall son of Ruaidrí king of Connacht went raiding in Dál Araide and the Dál Araide killed Donnchad son of Tairdelbach ua Briain and Petta Demain ua Beolláin. And thereafter the king of Cenél Eogain i.e. Domnall grandson of Lochlann came seeking those who were left in Mag Coba, the battallion of the Laigin and most of the men of Mumu and some of the men of Mide and of the Connacht, and they fought a battle there and the Laigin and the Osraige were defeated. These are the kings and chiefs who fell in the battle i.e. Muirchertach son of Gille Mocholmóc, king of Laigin, and the two sons of ua Lorcáin i.e. Murchad king of Uí Muiredaigh and his brother, the son of Iarann ua Fiachrach king of Uí Enechglais, the two sons of Mael Mórdha ua Domnaill and his brother, Gilla Pátraic Ruad king of Osraige.

Magnus king of Lochlann and the Innse, a man who attempted to conquer Ireland, was killed on a raid in Ulaid.

Amalgaidh grandson of Aed son of Ruaidrí was killed by his father and mother and brother in vengeance for their fosterling i.e. Conchobor son of Ruaidrí ua Conchobuir, whom he had killed.


A woman bore two children simultaneously this year, having one body from their breast to their navel, and all their limbs well-proportioned save for that, and each facing the other, and they were two girls.

Annal CS1104


Gilla Críst ua Echtigern, bishop of Cluain moccu Nóis, rested.

Cú Uladh ua Cainnelbáin fell at Tráig Baile and he died with honour.

Fiachra ua Flainn, chief of Síl Maelruanaidh, was killed by the Conmaicne.