The Kalends of January. [A.D.] 1256.
Ben Laigen, daughter of Ó Donnchada, died.
Item. Robert, son of William de Canteton (Condon), died.
The Kalends of January. [A.D.] 1257.
Maurice, son of Gerald, died.
A great slaughter of the English by the Welsh [gap: meaning of original unclear/extent: one word].
In the above year the foreigners entered Tuadmumu, and many of them were slain, and they slew Mathgamain, son of Domnall Connachtach Ó Briain.
[A.D.] 1259.The Kalends of January on Tuesday, and the twenty-third of the moon thereon.
In the above year the foreigners went into Tuadmumu again, and they committed no evil deeds there save against churches and clerics, and the Gaedil plundered Ard Raithin.
In the above year Fíngen, {son of Domnall Cairprech} Mac Carthaig, {and the Uí Chairprí} slew Mac Raith Ó Mathgamna and other nobles around him. Donnchad, son of Cormac, went on a foray into Ciarraige Luachra, and he himself was wounded there and a slaughter of his followers inflicted, {i.e. [in] the rout of Móin Cradáin}.
[A.D.] 1260. The Kalends of January on Wednesday, and the fourth day of the moon thereon.
Corc, son of Finnguine Ó Caím, died. A blessing on his soul!
A common cough this year affecting human beings and horses, which was called galar na placodi.
Dáúid Ó Ligáin, chancellor of Cluain, died.
Sláine daughter of Ó Briain, abbess of Cell Eóin, the most pious, the most charitable, and the most generous woman in all Munster, died. May the King of Heaven grant forgiveness to her soul.
Tadc Ó Briain, {son of Conchobar, son of Donnchad}, died. [It was] good news to the foreigners.
[A.D.] 1261. The Kalends of January on Thursday, and the fifteenth of the moon thereon; and the above year was a bissextile year.
Amlaíb, son of Sefraid Ó Donnchada, was slain after Easter by the Eóganacht Caisil.
Brian Ó Néill, king of Cenél Eógain, to whom the Gaedil gave hostages, and who paid-neither tax nor tribute to the king of England, was slain by the Gaedil themselves and by some of the foreigners {at Dún dá Lethglas}.
Stephen Lungespée, Justiciar of Ireland, died, and his body was borne eastwards over sea for burial.
The FitzGeralds went into Tuadmumu, and David Prendergast and other nobles were there slain; {and it was Conchobar Ó Briain who inflicted that defeat, namely, the defeat of Caill Barráin}. They (the FitzGeralds) erected part of a castle, and plundered many churches and burned some of them.
At that time Fíngen, son of Domnall Mac Carthaig, together with the Desmumu, went into Ciarraige, and great conflagrations were there caused by them.
Foreigners came into Tuadmumu, and some of their nobles fell sick on the way and died.
In the above year William de Dena was appointed Justiciar.
In the above year Mac Carthaig went on a foray into Coigcrích Ciarraige, and great depredations were committed by him, and Crimthann Ó Muirchertaig and many other people were slain.
Much sickness this year and death of noble folk.
John Butler died.
Walter de Burgo was wounded by the son of Muirchertach Ó Briain.
Eógan Ó Muirchertaig was slain by the foreigners at Dún na mBarc.
[A.D.] 1262. The Kalends of January on Saturday, and the twenty-sixth of the moon thereon.
Dún na mBarc was burned in revenge for Ó Muirchertaig.
Inis Eóganáin was burned by Mac Carthaig.
The archbishop of Ard Macha died.
Aed Ó Riacáin, treasurer of Cluain, died.
David de Barry died.
David de Canteton (Condon) died.
The castle of Dún na mBarc, and Caislén na Gide also, were burned by Mac Carthaig and by the Desmumu.
Ó Briain made peace with the foreigners.
The Justiciar, the FitzGeralds, the son of Richard, and a very large army of foreigners and Gaedil marched into Desmumu against Mac Carthaig, and a great slaughter was inflicted upon them. John, son of Thomas, seneschal of Mumu [and] a great and noble baron, and Maurice his son, and many knights besides and countless others were slain there.
The castles of Dún Mac Ogmain, Dún Uisce, Mag Cromtha, Mag Olig, and Dún Lóich, also Cell Forglann and much of Uí Chonaill, were burned by the Desmumu.
Many wastes in Desmumu.
Fíngen Mac Carthaig and nobles of Desmurnu were slain in Rinn Róin by Miles de Courcy on Thursday, on the night(?) of Michaelmas [September 29]..
In the above year Richard de La Rochelle came to Ireland as Justiciar, with his wife and son, and the Chancellor. They made port at Dún na Long in Desmumu, and Cormac and the Desmumu allowed them to depart unmolested.
[A.D.] 1263. The Kalends of January on Sunday, and the ninth day of the moon thereon.
MacWilliam de Burgo accompanied by a great army of foreigners and Gaedil invaded Desmumu, and Cormac Mac Carthaig was slain by them after a victory of prowess and valour. For he himself unaided, slew Gerald Roche,
{Item. David de Barry dies}.
[A.D.] 1264. The Kalends of January on Monday, and the eighteenth of the moon thereon.
Great warfare in England in the above year between the French and the English. {Item. King Edward was taken prisoner}.
The earldom of Ulster was given to Walter de Burgo.
Domnall Gall Mac Carthaig was taken prisoner by Domnall Ruad, {his own son}, and was {immediately} released.
[A.D.] 1265. The Kalends of January on Tuesday, and the twenty-ninth of the moon thereon; and the above year was a bissextile year.
Daniél, bishop of Cluain, chief of all Mumu in piety and wisdom, died. A blessing on his soul!
A battle was fought in England, and the king of England, his son, and his brother were taken prisoner.
[A.D.] 1266. The Kalends of January on Thursday, and the nineteenth of the moon thereon.
A battle was fought in England, [and] many nobles fell.
Great warfare in Ireland between the FitzGeralds and MacWilliam de Burgo; and Gillibert, bishop of Imlech [Ibuir], died; {and in that war the barons were taken prisoner}.