Toirdhealbhach Donn 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 1499 to his death in 1528.

Reign

Ó Briain, the son of

Tadhg an Chomhaid Ó Briain Tadhg an Chomhaid Ó Briain was King of Thomond from 1459 to his death in 1466. Reign He built the tower of Inchiquin Castle shortly before his father's death in 1459 and made it his new residence, being the first O'Brien since the expulsion of ...

, took over after the death of his uncle, Toirdhealbhach Óg Ó Briain. In 1504, he supported

Ulick Fionn Burke Ulick Fionn Burke, 6th Clanricarde or Mac William Uachtar (; ; ; ; died 1509) was an Irish chieftain and noble. Family background Ulick succeeded his father, Ulick Ruadh Burke, 5th Clanricarde (d.1485), as chieftain. The Annals of the Four M ...

against Gerald FitzGerald at the

Battle of Knockdoe The Battle of Knockdoe took place on 19 August 1504 at Knockdoe, in the Parish of Lackagh (Irish ''Leacach''), County Galway, between two Anglo-Irish lords— Gerald FitzGerald, Earl of Kildare, the Lord Deputy of Ireland, and Ulick Fionn B ...

and was defeated. In 1510, he defeated the forces of Gerald FitzGerald, who was invading

Thomond Thomond (Classical Irish: ; Modern Irish: ), also known as the kingdom of Limerick, was a kingdom of Gaelic Ireland, associated geographically with present-day County Clare and County Limerick, as well as parts of County Tipperary around Nenag ...

with a large army, at Moin na m-brathar, near

Limerick Limerick ( ; ga, Luimneach ) is a western city in Ireland situated within County Limerick. It is in the province of Munster and is located in the Mid-West which comprises part of the Southern Region. With a population of 94,192 at the 2016 ...

. Toirdhealbhach Donn Ó Briain died in 1528 and was succeeded by his son,

Conchobhar ( is an old and famous Irish male name meaning "lover of canines". It is the source of the Irish names Conor, Connor, Connors, Conner, O'Connor, etc. It is a name borne by several figures from Irish history and legend, including: * Conchobar ...

Family

Ó Briain married, firstly, Joan, daughter of Thomas Fitzmaurice, 8th Lord of Kerry. They had no known children. He married, secondly Raghnailt (died 1486), daughter of Seán mac Conmara. They had children: *

*Donnchadh * Murchadh Carrach *Tadhg (Killed 1523, by shot of ball at Ath-an-Chamais, upon the River Suir, by Piers Ruadh Butler.) *Diarmaid *Margaret (married Eoghain Ó Ruairc (O'Rourkes of Dromahair)) *Sláine (married Éinri Óg mac Éinri Ó Neill,

King of Tír Eoghain This article lists the rulers of Tyrone (Irish: ''Tír Eoghain'') from 1185 to 1616. They are listed from their date of accession to date of death, unless otherwise stated. Prior to this, the ruling dynasty - the Cenél nEógain - were most of th ...

) *Fionnuala (married

Manus O'Donnell Manus O'Donnell (Irish: ''Maghnas Ó Domhnaill'' or ''Manus Ó Domhnaill'', died 1564) was an Irish lord and son of Sir Hugh Dubh O'Donnell. He was an important member of the O'Donnell dynasty based in County Donegal in Ulster. Early life Hug ...

King of Tír Chonaill This article lists the rulers of Tyrconnell (Irish: ''Tír Ċonaıll''), a medieval Irish kingdom which covered much of what is now County Donegal. Oral history It was founded in the fifth century by a son of Niall of the Nine Hostages, Conall ...

)

Notes

References

{{Reflist Kings of Thomond 15th-century births 1528 deaths Year of birth unknown