Toirdhealbhach Bóg Ó Briain was

King of Thomond The kings of Thomond ( ga, Rí Tuamhain) ruled from the establishment of Thomond during the High Middle Ages, until the Early modern period. Thomond represented the legacy of Brian Bóruma and the High Kings of Ireland of his line who could no ...

from 1446 to his death in 1459.

Reign

He was the son of

Brian Sreamhach Ua Briain Brian Sreamhach Ua Briain (died 1400), also known as Briain Catha-an-Aonaigh Ó Briain, and Brian Ó Briain, was King of Thomond from 1369 to 1400. He was the son of Mathghamhain Maonmhaighe Ó Briain. In about 1370 or 1371, he defeated and captur ...

. His brother Mathgamain Dall had deposed his brother Tadhg in 1438. Mathgamain Dall was deposed in 1446 by The Mac William of

Clanricarde Clanricarde (; ), also known as Mac William Uachtar (Upper Mac William) or the Galway Burkes, were a fully Gaelicised branch of the Hiberno-Norman House of Burgh who were important landowners in Ireland from the 13th to the 20th centuries. Ter ...

and Toirdhealbhach Bóg was put in his stead. He reigned until his death in 1459. He was succeeded by his nephew Donnchadh, a son of Mathgamain Dall who ruled briefly before being succeeded by Toirdhealbhach's son Tadhg an Chomhaid.

Family
John O'Hart John O'Hart (1824–1902) was an Irish genealogist. He was born in Crossmolina, County Mayo, Ireland. A committed Roman Catholic and Irish nationalist, O'Hart had originally planned to become a priest but instead spent two years as a poli ...
,"Irish Pedigrees or the Origin and Stem of the Irish Nation", Volume 1, 1892, page 160, https://archive.org/stream/irishpedigreesor_01ohar#page/160

He married Catherine, daughter of Ulick Fitzwalter Burke and had issue: * Tadhg an Chomhaid Ó Briain *Donnchadh Tadhg,

Bishop of Killaloe The Bishop of Killaloe ( ) is an episcopal title which takes its name after the town of Killaloe in County Clare, Ireland. In the Roman Catholic Church it remains a separate title, but in the Church of Ireland it has been united with other bish ...

* Conchubhar na Srona Ó Briain *Toirdhealbhach Óg Ó Briain *Mathgamain *Cinnéidigh *Brian Ganeagh *Muircheartach Beag

References

Kings of Thomond People from County Clare 15th-century Irish monarchs {{Ireland-bio-stub