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Murtogh Moynagh O'Conor (Irish: Muirchertach Muimhnech Ua Conchobair), prince of Connacht, Ireland, flourished 1156-1210.
Muirchertach was one of over twenty sons sired by King Tairrdelbach of Connacht. His nickname, Muimhnech, indicated that he was fostered in Munster.
He was one of three sons of Tairdelbach arrested in 1156 by their brother, Ruaidrí Ua Conchobair, on the death of their father. Ruaidrí was his father's Tánaiste, but secured Muirchertach, Brian Breifneach and Brian Luighneach to prevent them gaining the kingship. As an extra precaution, Brian Breifneach was blinded. Before his death Muirchertach became Tánaiste himself and held control of much of present-day County Mayo. His sons were subsequently expelled from this area in the conquest of Connacht by Richard Mór de Burgh, 1st Baron of Connaught in 1235.
He was the ancestor to the Clan Muircheartaigh Uí Conchobhair and five Kings of Connacht, who reigned between 1280 and 1343.
His wife died in 1231. She is described in the Annála Connacht as:
The Mac Diarmata family also had a recently acquired lordships in central Mayo, north of the Clan Muircheartaigh.
Connacht or Connaught, is one of the four provinces of Ireland, in the west of Ireland. Until the ninth century it consisted of several independent major Gaelic kingdoms.
Ruaidrí mac Tairrdelbach Ua Conchobair was King of Connacht from 1156 to 1186, and High King of Ireland from 1166 to 1198. He was the last High King of Ireland before the Anglo-Norman invasion.
Conchobar Maenmaige Ua Conchobair, son of High King of Ireland Ruaidrí Ua Conchobair, was King of Connacht from 1183 to 1189. He was a military commander and opponent of the Norman invasion of Ireland.
Toirdhealbhach Mór Ua Conchobhair anglicised Turlough Mór O'Conor, was King of Connacht (1106–1156) and High King of Ireland.
The Kings of Magh Luirg or Moylurg were a branch of the Síol Muireadaigh, and a kindred family to the Ua Conchobair Kings of Connacht. Their ancestor, Maelruanaidh Mor mac Tadg, was a brother to Conchobar mac Tadg, King of Connacht 967–973, ancestor of the O Connor family of Connacht. Maelruanaidh Mor mac Tadg is said to have made a deal of some nature where, in return for abandoning any claim to the provincial kingship, he would be given Moylurg. His dynasty was known as the Clan Mulrooney, and later still took the surname of MacDermot. The following is a list of their Kings, followed by the respective heads of the family up to the present day.
Felim McHugh O'Connor was king of Connacht in Ireland from January 1310 to 10 August 1316. The beginning of his kingship saw a revival in the ancient form of inauguration performed for the Kings of Connacht after a period of apparent lapse in the practice. His reign took place against the background of a Gaelic recovery following the Anglo-Norman invasion and the disputed High Kingship of Edwurd Bruce. He was the last King of Connacht to truly hold power over the entire province and his death halted the gains that had been made following the Anglo Norman invasion, by his kingdom. His foster father Maelruanid Mac Diarmata King of Magh Lurg would play an instrumental role in his reign.
Brian Luighneach Ua Conchobhair was a prince of Connacht.
Toirdhealbhach Ua Briain, anglicised Turlough O'Brien, was King of Munster and effectively High King of Ireland. A grandson of Brian Bóruma, Toirdelbach was the son of Tadc mac Briain who was killed in 1023 by his half-brother Donnchad mac Briain.
The O'Conor dynasty are an Irish noble dynasty and formerly one of the most influential and distinguished royal dynasties in Ireland. The O'Conor family held the throne of the Kingdom of Connacht up until 1475. Having ruled it on and off since 967, they ruled continuously from 1102 to 1475. Moreover, the O'Conor parent house the Uí Briúin and Síol Muireadaigh ruled Connacht on many occasions – but not continuously – between 482 and 956. The house of O'Conor also produced two High Kings of Ireland, Tairrdelbach Ua Conchobair and his son Ruaidrí Ua Conchobair, the last High King of Ireland. The family seat is Clonalis House outside Castlerea in County Roscommon.
Mac Aodhagáin, is an Irish Gaelic clan of Brehons who were hereditary lawyers - firstly to the Ó Conchobhair Kings of Connacht, and later to the Burkes of Clanricarde.
Diarmait Ua Briain was an 11th-century Irish king who ruled Munster from 1114 to 1118.
Ruaidrí Ua Conchobair, called Ruaidrí na Saide Buide was King of Connacht, perhaps twice.
Domnall Mór Ua Briain, or Domnall Mór mac Toirrdelbaig Uí Briain, was King of Thomond in Ireland from 1168 to 1194 and a claimant to the title King of Munster. He was also styled King of Limerick, a title belonging to the O'Brien dynasty since Brian Boru's sacking of the Hiberno-Norse city state after the Battle of Sulcoit in the 10th century.
The Clan Murtagh O'Conor were descendants of Irish High-King Toirdelbach Ua Conchobair, through his son, Murtogh Moynagh O'Conor (d.1210), tánaiste of Connacht. They have been defined by Katherine Simms as:
... the earliest, most aristocratic and best documented example of increasing nomadism in the northern half of Ireland in the late middle ages. ... In spite of the fact that they were a very numerous branch of the O'Conor family, who supplied five kings to the throne of Connacht, they seem to have vanished away in the early fifteenth century, never to be heard of again.
Brian Breifneach Ua Conchobair, Prince of Connacht, fl. 1156.
Muirchertach Tethbhach Ua Conchobair was Prince of Connacht.
Dubhchobhlaigh Bean Ua hEaghra, a.k.a. Dubhchobhlaigh Ní Conchobair, Queen of Luighne Connacht, died 1131.
Brian Breaghach Mág Samhradháin, was chief of the McGovern Clan of Tullyhaw, County Cavan from 1272 to 3 May 1294.
