1200
A.D. 1200. Slaughter [was inflicted] on the Oirthir through the treachery of Sliabh Fuaid by the followers of John de Courcy.
Slaughter [was inflicted] on the Connachtmen by the Galls of Midhe, and Ruaidhrí Ó Conchobhair, king of Iarthar Connacht, was killed.
Cathal son of Toirdhealbhach [Ó Conchobhair], king of Connacht, banished Cathal Carrach son of Conchobhar Maonmhuighe into Munster.
The Galls of Munster went with Cathal Carrach into Connacht and banished Cathal Croibhdhearg to John de Courcy in Ulaidh, and set up Cathal Carrach in his place.
A foray by Ruaidhrí [Mac Duinn Shléibhe] with the Galls of Ardee against Armagh. He made another foray against Inis Caoin Deagha Mic Cairill and plundered the town and its church.
1201
A.D. 1201. Gerald son of Maurice [FitzGerald], Anadh Ó Súilleabháin, and Fionghuine Ó Caoimh, king of Fir Mhuighe, died.
A great hosting by William de Burgo and by Muircheartach, Conchobhar Ruadh, and Donnchadh Cairbreach,—three sons of Domhnall Mór Ó Briain—together with the Galls of Cork and Munster. They were a week at Ceann Eich, and they killed Amhlaoibh Ó Donnabháin, king of Uí Chairbre Éabha, and some of the Galls were killed, including Mac Coisdealbha. The legate and the bishops of Munster came and made peace between Síol Briain and Clann Charthaigh and Ó Mathghamhna and William de Burgo. William allowed Síol Briain to go home, and he himself remained in Cork for most of the winter.
Ruaidhrí Mac Duinn Shléibhe, late king of Ulaidh, was killed by a few of the followers of John de Courcy.
Niall Ó hÉignigh, king of Oirghialla and Fir Mhanach, came with a full muster of troops, together with Cathal Croibhdhearg Ó Conchobhair, to recover the kingship of Connacht. Defeat and slaughter [were inflicted] on them by Cathal Carrach son of Conchobhar Maonmhuighe [Ó Conchobhair] at Eas Dara, and Niall Ó hÉignigh, Donnchadh Mac Tighearnáin, lord of Clann Fhearghaile, the king of Fir Luirg, and many others were killed.
John de Courcy and the Galls of Ulaidh and Midhe [were] in Connacht with Cathal Croibhdhearg son of Toirdhealbhach to recover his kingship. Defeat and slaughter [were inflicted] by Cathal son of Conchobhar Maonmhuighe and the Connachtmen on that force, and John went eastwards across Loch Rí and the family of Hugo de Lacy took him prisoner, and hostages of the nobility of the Galls of Ulaidh had to be given for him. That was the defeat of An Forbhar.
1202
A.D. 1202. A hosting by the Galls of Munster, William [de Burgo], Cathal Croibhdhearg son of Toirdhealbhach, and Síol Briain into Connacht. Cathal Carrach, son of Conchobhar Maonmhuighe with a full muster of troops came before them out of Coirrshliabh, and they fought a battle in which Cathal Carrach son of Conchobhar Maonmhuighe was killed; and Cathal Croibhdhearg took the kingship of Connacht.
Conchobhar Ruadh son of Domhnall Mór Ó Briain came to Muircheartach son of Domhnall, his kinsman, on a foray. The followers of Muircheartach overtook him and killed him.
John Carrtanoin came to Ireland from Pope Innocent.
A castle [was built] by Hugo de Lacy ... in Dún Ocalla above Loch Righe.
1203
A.D. 1203. A windy, wet summer, with famine and wars.
Clonmacnois and the churches and territories of Connacht were ravaged and plundered by William de Burgo.
Low Sunday on the second day of May this year.
Defeat and slaughter [were inflicted] by Domhnall Mór son of Diarmaid Cille Badhuna [Mac Carthaigh] on the Galls at Bearn Mic Íomhair.
The Order of the Friars Minor was confirmed and a Rule was given to them.
A battle between Hugo de Lacy and John de Courcy at Downpatrick in which John was captured and his people slaughtered, so that he had to surrender his lordship and his castellation to Hugo.
1204
A.D. 1204. John de Courcy came with the Cinéal Eóghain from the north into Ulaidh to recover his lordship. Walter de Lacy with a force from Midhe came from the south against him, and between them they ravaged Ulaidh.
Hugo de Lacy an Earl and Justiciar from the king of England in Ireland.
Murchadh son of Murchadh son of Amhlaoibh Mór Ó Donnchadha, king of Eóghanacht Locha Lain, died.
1206
A.D. 1206. Domhnall Mór son of Diarmaid Cille Badhun, son of Cormac Muighe Thamhnach, died at Corr Tighe Mic Curmainn, having held the kingship for twenty years. It was by this Domhnall that Geoffrey de Cogan was killed, and he was flayed, together with his speckled kerns, to avenge his father. It was he who inflicted the defeats of Inis Eóghanain, Ceall Mo-Chumóg, Bearn Mic Íomhair, Srón Olair and many other battles, who hanged seven officials, and who demolished the castles of Lismore, Dún Coireadha, Cora, Uí Mhairile, and all Uí Mac Caille.
Fínghin son of Mac Carthaigh took the kingship. Diarmaid Dúna Droighneáin [Mac Carthaigh], Donnchadh Cairbreach Ó Briain, and Donnchadh na hImirce Timchill son of Cian, son of Donnchadh Donn, son of Cú Mara, son of Brodchú, son of Mathghamhain; son of Cian, son of Maol Muaidh [Ó Mathghamhna] deposed that Fínghin within a year, and all Munstermen from that on, and there was great destruction that year from Gall and Gael in all Munster.
Hugo de Lacy was ten days and ten nights in Armagh plundering it.
The monastery of Peter and Paul was plundered and burned by Bratach Buile Ó Maothagain and Mac Mathghamhna's bandits.
Defeat and slaughter [were inflicted] on John de Courcy at Carrickfergus.
Teach Damhnata, Ceall Muragáin, and Clones were burned by Hugo de Lacy.
The castle of Dún Lóich was built by the Galls.
1207
A.D. 1207. Armagh was again plundered about St. Bridget's Day by Hugo de Lacy.
Éigneachan Ó Domhnaill, king of Cinéal Conaill, and many others were killed by Niall Mac Mathghamhna, the Fir Mhanach, and Tuath Ratha, as they were plundering the country as far as Fochraobh.
1209
A.D. 1209. A hosting by Fínghin son of Cormac Muighe Thamhnach [Mac Carthaigh] to Caman Mónadh, and there was a fleet to meet him in Uí Ráthach, and they killed a great number of people and cattle. This Fínghin was killed by the UíShuilleabháin at Leac Lachtáin [in a dispute] concerning division of booty. Gearr Uille's son struck him with an axe.
A battle between Cinéal Eóghain and Cinéal Conaill near Fathan Mura, in which Cathbharr Ó Domhnaill, king of Cinéal Conaill, together with many of the Cinéal Conaill, was killed.
Diarmaid Dúna Droighneáin son of Mac Carthaigh took the kingship.
Fínghin son of Fínghin Lice Lachtáin [Mac Carthaigh] was killed by the Galls of Cork.
1210
A.D. 1210. John, king of England, lord of the Galls of Ireland, Duke of Normandy and Aquitaine, Earl of Anjou came with a great fleet to Waterford. Donnchadh Cairbreach Ó Briain came to him, and he knighted him and gave him Carraig Ó gCoinneall with its lordship, stipulating an annual rent of three score marks, and the liberation of Muircheartach son of Domhnall Mór Ó Briain. Cathal Croibhdhearg Ó Conchobhair, king of Connacht, came to him with large forces to do him honour. He went from thence to Dublin and banished Walter de Lacy from Ireland.
The king went to Midhe from Dublin, and sent his fleet north to Dún Ogalla, [now] called Carlingford, to meet him. When Hugo de Lacy perceived the king going north, he himself burned the castles of Machaire Conaill and Cuailghne in sight of the king, who had but a short time previously made
A castle [was built] at Athlone by the followers of the king of England, and a bridge eastwards across the Shannon, and a town at the eastern end of the bridge.
1211
A.D. 1211. A castle [was built] at Caoluisce Locha Éirne by Henry Beck(?) for the king of England; and he himself was killed there by Ó Néill and Mac Mathghamhna.
Diarmaid Ddna Droighneáin son of Domhnall Mór son of Diarmaid Cille Baghuna was captured at Cork by the sheriff, and Donnchadh Ó Mic Thire was killed by them, and Cormac Ciarraigheach was blinded after he had been handed over by the Uí Shúilleabháin to the sheriff, and Maghnus Ó Caoimh was killed by the same Galls.