Domnall mac Ruaidrí Ua Conchobair (1102–1106) was King of

Connacht Connacht or Connaught ( ; or ), is the smallest of the four provinces of Ireland, situated in the west of Ireland. Until the ninth century it consisted of several independent major Gaelic kingdoms (Uí Fiachrach, Uí Briúin, Uí Maine, C ...

. Domnall was the second son of

Ruaidrí na Saide Buide Rory is a given name of Gaelic origin. It is an anglicisation of the /''Ruaidhrí'' and /''Ruaraidh'' and is common to the Irish, Highland Scots and their diasporas. for the given name "Rory". The meaning of the name is "red king", composed ...

to assume the kingship. He deposed Domnall mac Tigernáin Ua Ruairc, been assisted by aid of

Muirchertach Ua Briain Muirchertach 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 King of Munster and later self-declared High King of Ireland. Background and early career ...

, who was his father Ruaidrí's brother-in-law. Domnall was the last Ua Ruairc of

Breifne The Kingdom of Breifne or Bréifne (), anglicized as Breffny, was a medieval overkingdom in Gaelic Ireland. It comprised what is now County Leitrim, County Cavan and parts of neighbouring counties, and corresponds roughly to the Roman Catho ...

to become king of Connacht. Ua Briain, in 1106, had Domnall deposed by his younger brother,

Toirdelbach Ua Conchobair Toirdhealbhach Mór Ua Conchobhair (old spelling: Tairrdelbach Mór Ua Conchobair; 1088 – 1156) anglicised Turlough Mór O'Conor, was Kings of Connacht, King of Connacht (1106–1156) and High King of Ireland (ca. 1120–1156). Family backgro ...

, who was Muirchertach's nephew. Domnall's precise fate is unknown. Toirdelbach would in time go to great lengths to erase the descendants of his uncles and brothers from the genealogical record, leaving the succession open only to Ua Conchobair's descended from himself.

References

* ''West or H-Iar Connaught''

Ruaidhrí Ó Flaithbheartaigh Roderick O'Flaherty (; 1629–1718 or 1716) was an Irish historian. Biography He was born in County Galway and inherited Moycullen Castle and estate. O'Flaherty was the last ''de jure'' Tigerna, Lord of Iar Connacht, and the last recognised C ...

, 1684 (published 1846, ed.

James Hardiman James Hardiman (February 1782 – 13 November 1855), also known as Séamus Ó hArgadáin, was a librarian at Queen's College, Galway and an important historian. Hardiman is best remembered for his '' History of the Town and County of Galway'' (1 ...

). * ''Origin of the Surname O'Flaherty'', Anthony Matthews, Dublin, 1968, p. 40. * ''Irish Kings and High-Kings'', Francis John Byrne (2001), Dublin: Four Courts Press, * ''Annals of Ulster'' a
CELT: Corpus of Electronic Texts
a
University College Cork
* Byrne, Francis John (2001), Irish Kings and High-Kings, Dublin: Four Courts Press, {{DEFAULTSORT:Ua Conchobair, Domnall Mac Ruaidri Nobility from County Galway 12th-century Irish monarchs Year of birth unknown Domnall Year of death unknown