Teige O'Brien or Tadhg a'Chomhaid Ó Briain was Lord of Thomond from 1459 to his death in 1466, and Chief of Clan O'Brien.

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 the Normans in 1318 who had ceased to inhabit Clonroad as his chief residence. He took his distinctive nickname (''an Chomhaid'') from the lands which he had built his new head-quarters on. He succeeded his father

Toirdhealbhach Bóg Ó Briain Toirdhealbhach Bóg Ó Briain was King of Thomond from 1446 to his death in 1459. Reign He was the son of Brian Sreamhach Ua Briain. His brother Mathgamain Dall had deposed his brother Tadhg in 1438. Mathgamain Dall was deposed in 1446 by The Ma ...

upon his death in 1459. He collected tribute from O'Neill in 1463.

Dubhaltach Mac Fhirbhisigh Dubhaltach Mac Fhirbhisigh (), also known as Dubhaltach Óg mac Giolla Íosa Mór mac Dubhaltach Mór Mac Fhirbhisigh, Duald Mac Firbis, Dudly Ferbisie, and Dualdus Firbissius ( fl. 1643 – January 1671) was an Irish scribe, translator, histo ...

described Tadhg's last feat of arms thus:
''a.d. 1466. Thady fitz Torly O’Brian, King of Tuamond, marched with an army (in this summer) over the Shinnan southwards, and we heard not of such an host with any of his name or Ancestors since Brian Boroa was conquering of Irland ; so that the Gwills, Irish of Desmond and Iarmond .e. West Munsterall obeyed him ; and he bribed the Gwills, i.e. old Irish of Linster, so that they were working his coming to Tara, but he retired to his house, after he had conquered the country of the Clan-Williams all, and the county of Lymbrick, it being made sure to him from the Earl f Desmond, then Lord Deputyin liew of granting peace to the said Earl and to his country, and the townsmen or cittizens of Lyrabrick gave 60 marks yearely to him ’Brienfor ever ; afterwards he died of a feaver in his owne house (Inchiquin Castle), and it was comonly repotted that it was the multitude’s envious hearts and eyes has shortened his dayes.'' He was described in the

Annals of Loch Cé The ''Annals of Loch Cé'' (also ''Annals of Lough Cé'') cover events, mainly in Connacht and its neighbouring regions, from 1014 to 1590. It takes its name from Lough Cé in the kingdom of Moylurg - now north County Roscommon - which was th ...

as "the torch of valour and the prowess of Leth-mogha".

Family

He married Annabella Burke, daughter of Ulick Ruadh Burke, Lord of ClanrickardeThe peerage of Ireland: or, A genealogical history of the present, Volume 1, John Lodge, Mervyn Archdall, page 128 and by her had issue: * Toirdhealbhach Donn Ó Briain *Domhnaill *Donnchadh *Muircheartach Garbh *Murchadh *Diarmaid Cleireach

References

Kings of Thomond People from County Clare 15th-century Irish monarchs 1466 deaths Year of birth unknown {{Ireland-royal-stub