Donnchad Ua Cerbaill or Donnchadh Ó Cearbhaill, king of Airgíalla, fl. c. 1130–1168. Ua Cerbaill was a supporter of the Irish religious reform movement...

Lochlainn king of Tír Eogain and high king of Ireland. With the help of Donnchad Ua Cerbaill, king of Airgíalla, Áed was able to become king of Tír Eogain himself...

kingdom of Airgíalla was at its peak in the 12th century, under king Donnchad Ua Cerbaill. The later constricted kingdom of Airgíalla survived in Monaghan—which...

his mother, Ua Ruairc was a half-brother of Donnchad Ua Cerbaill (d. 1168). Ua Ruairc had at least three children, a son Maelseachlainn Ua Ruairc, who...

of Gilla Brigte Ua Maíl Muaid of Cenél Fiachach. His father was killed in 1023, probably on the orders of his half-brother Donnchad mac Briain who thereby...

O'Carroll Kingdom of Airgíalla (Oriel) early in the 12th century under Donnchad Ua Cerbaill. At the same time, the area was removed from the diocese of Armagh...

Toirdhealbhach Mór Ua Conchobhair (old spelling: Tairrdelbach Mór Ua Conchobair; 1088 – 1156) anglicised Turlough Mór O'Conor, was King of Connacht (1106–1156)...

Conchobar Máenmaige Ua Conchobhair, died 1189. Diarmait mac Ruaidrí Ó Conchobair, died 1221. Had sons Diarmait (fl. 1237), Donnchad (fl. 1237), Muirchertach...

Muircheartach Ua Briain (anglicised as Murtaugh O'Brien; c. 1050 – c. 10 March 1119), son of Toirdelbach Ua Briain and great-grandson of Brian Boru, was...

control of Tigernán Ua Ruairc of Breifne and Diarmaid mac Murchadha of the Laighin. Donnchad Ua Cerbaill of Airgíalla, the half-brother of Ua Ruairc, took Árd...

Máedóc Ua Morgair, better known as St. Malachy, drove the reform process onwards. Malachy, in close cooperation with (Duncan) Donnchad Ua Cerbaill, king...

southerly part of Ulaid, Conaille Muirtheimne, had been conquered by Donnchad Ua Cerbaill, king of Airgíalla. The part of Muirtheimne called Cualigne was subsequently...

Diarmait mac Cerbaill (died c. 565) was King of Tara or High King of Ireland. According to traditions, he was the last High King to follow the pagan rituals...

long excluded from the succession, Donnchad's successor. Congalach was Donnchad's sister's son. However, Donnchad's apparent policy of making strategic...

–1053) Leathlobair Ua Laidhgnen, King (?–1078) Aodh Ua Baoigheallain, King (?–1093) Ua Ainbhigh, King (?–1094) Cu Caishil Ua Cerbaill, King (?–1101) Kingdom...

was banished from the kingdom following his defeat. In 1155 when Donnchad Ua Cerbaill king of Airgíalla was captured and imprisoned by Tighernán Mór, Geofraidh...

to dispatch a mounted detachment under the command of his youngest son, Donnchad, to raid southern Leinster, presumably hoping to force Máel Mórda to release...

under their control sometime after this, most probably c. 1130 by Donnchad Ua Cerbaill, king of Airgialla, and it was incorporated into his kingdom. He...

Donnchad mac Domnaill (733 – 6 February 797), called Donnchad Midi, was High King of Ireland. His father, Domnall Midi, had been the first Uí Néill High...

Doherty notes that Donnchad's wives all came from rising families. The Ua Canannáin of Tír Ċonaill, the Dál gCais of Thomond, and the Ua Ruairc of Bréifne...

King Máel Sechlainn), Thomond (led by King Domnall Ua Briain), Oriel (led by King Murchad Ua Cerbaill), Ulster (led by King Magnus Mac Duinnsléibe), and...

controlled by the leading family of the Fir Fernmaige, using the surname of Ua Cerbaill.[citation needed] Due to Cenél nEógain pressure the Ui Chremthainn power...

Domhnall ua Néill (old spelling: Domnall ua Néill; anglicised as Donal O'Neill) (died 980) was High King of Ireland from 956 to 980. Domnall was the son...

Fergal Ua Ruairc (died 967) was King of Connacht, Ireland. The annals state that, in 961, he won the battle of Catinchi. Leabhar na nGenealach, Dublin...

mac Cerbaill (some sources "Callough"; nicknamed Cellach of the Hard Conflicts) was king of Osraige from 905 to his death in 908. Cellach mac Cerbaill was...

916–919 Donnchad Domnaill mac Flainn, 919–944 Ruaidrí Ua Canannáin, 944 – 30 November 950 Congalach Cnogbach mac Máelmithig, 950–956 Domnall ua Néill,...

King (?–1101) Giolla Crist Ua hEiccnigh, King (?–1127) Donnchadh Ua Cearbaill, King (1130–1168/1169) Murchard Ua Cerbaill, King (1168–1189) Muirchertach...

Subsequently in 1248 O'Neill backed the king of Tyrconnell, Rory O'Cannon (Ruaidri Ua Canannáin), against the claims of O'Donnell. O'Cannon had been set up in the...

mac Cerbaill (894–905) (deposed) Cellach mac Cerbaill (905–908) Diarmait mac Cerbaill (908–928) (reinstated) Cuilen mac Cellaig (928–933) Donnchad mac...

His wife was Dubhdara ingen Cellaig, daughter of Cellach mac Cerbaill and sister of Donnchad mac Cellaig, both kings of Osraige. Melkorka Mýrkjartansdóttir...