List of monarchs of Thomond
Encyclopedia
The following is a list of monarchs of the Kingdom of Thomond.

O'Brien Clan

Name Parents From Until Relationship with predecessor
Conchobar macDiarmata O'Brien son of Diarmait macToirrdelbaig O'Brien 1118 1142 nephew of Muirchertach Ua Briain the King of Munster
Toirrdelbach macDiarmata O'Brien son of Diarmait macToirrdelbaig O'Brien 1142 1167 brother of Conchobar
Domnaill Mór macToirrdelbaig O'Brien son of Toirrdelbach macDiarmata O'Brien 1167 1194 son of Toirrdelbach
Muirchertach Finn macDomnaill Mór son of Donnell Mór macToirrdelbaig O'Brien and Urlachan MacMurchada 1194 1198 son of Donnell Mór
Conchobar Ruad macDomnaill Mór son of Donnell Mór macToirrdelbaig O'Brien and Urlachan MacMurchada 1198 1203 deposed his brother Muirchertach Finn

O'Brien Clan

Name Parents From Until Relationship with predecessor
Muirchertach Finn Ó Briain, King of Thomond
(restored)
son of Domhnall Mór Ó Briain and Urlachan Ni Murchadha 1203 1210 restored to his throne, regained from brother Conchobar Ruad
Donnchad Ó Briain, King of Thomond  son of Donnell Mór macToirrdelbaig O'Brien and Urlachan MacMurchada 1210 1242 brother of Muirchertach Finn, who had abdicated
Conchobhair Ó Briain, King of Thomond  son of Donnchad Cairprech macDomnaill Mór 1242 1258 son of Donnchad Cairprech
Tadhg Ó Briain, King of Thomond son of Conchobar Na Suidaine macDonnchada 1258 1269 son of Conchobar Na Suidaine
Briain Ruadh Ó Briain, King of Thomond son of Conchobair MacDonnchada Ó Briain 1269 1277 brother of Tadhg Ó Briain

House of de Clare, claimants

Name Parents From Until Relationship with predecessor
Thomas de Clare, Lord of Thomond
Thomas de Clare, Lord of Thomond
Thomas de Clare, Lord of Inchiquin and Youghal was a Hiberno-Norman peer and soldier. He was the second son of Richard de Clare, 6th Earl of Gloucester and his wife Maud de Lacy...

son of Richard de Clare, 6th Earl of Hertford
Richard de Clare, 6th Earl of Hertford
Richard de Clare, 5th Earl of Hertford, 6th Earl of Gloucester was son of Gilbert de Clare, 4th Earl of Hertford and Isabel Marshal. On his father's death, when he became Earl of Gloucester , he was entrusted first to the guardianship of Hubert de Burgh. On Hubert's fall, his guardianship was...

 and Maud de Lacy
Maud de Lacy
Maud de Lacy, , was an English noblewoman, being the eldest child of John de Lacy, 2nd Earl of Lincoln, and the wife of Richard de Clare, 5th Earl of Hertford, 6th Earl of Gloucester....

1277 1287 no relation, de Clare murdered Brian Ruad
Gilbert de Clare, Lord Thomond son of Thomas de Clare, Lord Thomond and Juliana FitzGerald
Juliana FitzGerald
Juliana FitzGerald, Lady of Thomond was a Norman-Irish noblewoman, the daughter of Maurice FitzGerald, 3rd Lord of Offaly, and the wife of Thomas de Clare, Lord of Thomond, a powerful Anglo-Norman baron in Ireland, who was a younger brother of Gilbert de Clare, 6th Earl of Hertford. Juliana was...

1287 1308 Son

O'Brien Clan, claimants

Name Parents From Until Relationship with predecessor
Donnchadh MacBrian Ó Briain, King of Thomond son of Briain Ruadh Ó Briain 1277 1284 son of Briain Ruadh
Toirdelbach MacTadhg Ó Briain, King of Thomond son of Tadhg Ó Briain 1284 1306 cousin of Donnchad macBrian Ruaid

House of de Clare, claimant

Name Parents From Until Relationship with predecessor
Richard de Clare, Lord Thomond
Richard de Clare, Steward of Forest of Essex
Richard de Clare 1st Lord Clare was the son of Thomas de Clare, Lord of Thomond and Juliana FitzGerald.A descendant of Strongbow, he succeeded his older brother, Gilbert, in 1308 as Lord of Thomond. In 1309, and then again between 1312 and 1316, he was sheriff of Cork...

son of Thomas de Clare, Lord Thomond and Juliane FitzGerald 1308 1318 brother of Gilbert de Clare

Claim I

Name Parents From Until Relationship with predecessor
Diarmait Cléirech macDonchada O'Brien son of Donnchad macBrian Ruaid O'Brien 1311 1313 nephew of Toirrdelbach macTaidg
Donnchad macDomnaill O'Brien son of Domnall macBrian Ruaid O'Brien and Margaret MacMahon 1313 1317 cousin of Diarmait Cléirech

Claim II

Name Parents From Until Relationship with predecessor
Muircheartach Ó Briain, King of Thomond son of Toirrdelbach macTaidg O'Brien 1313 1343 cousin of Diarmait Cléirech

O'Brien Clan

Name Parents From Until Relationship with predecessor
Brian Bán macDomnaill O'Brien son of Domnall macBrian Ruaid O'Brien and Margaret MacMahon 1343 1350 distant cousin of Muirchertach macToirdelbaig
Dairmaid macToirdelbaig O'Brien son of Toirrdelbach macTaidg O'Brien 1350 1360 deposed brother of Muirchertach macToirdelbaig, cousin of Brian Bán macDomnaill
Mathghamhain O'Brien
Mathghamhain O'Brien
Mathghamhain Maonmhaighe Ó Briain, King of Thomond, 1360-69.Mathghamhain was the son of Muichertach O'Brien King of Thomond and was proceeded by his uncle Dairmaid macToirdelbaig O'Brien....

son of Muirchertach macToirdelbaig O'Brien and Edaouin McGorman 1360 1369 nephew of Dairmaid macToirdelbaig
Brian Sreamhach MacMathghamhna O'Brien
Brian Sreamhach MacMathghamhna O'Brien
Brian Sreamhach MacMathghamhna O'Brien was king of the Irish region of Thomond from 1369 to 1400, the year of his death. He succeeded his father Mathghamhain O'Brien as king of Thomond, and was succeeded by his only son Toirdhealbhagh Bog macBrian O'Brien "the Soft"....

son of Mathghamhain of Maonmhagh O'Brien 1369 1400 son of Mathghamhain of Maonmhagh
Toirdhealbhach Maol macMuirchertaigh O'Brien son of Muirchertach macToirdelbaig O'Brien and Edaouin McGorman 1375 1398 uncle of Brian Sreamhach macMathghamhna, claimed throne at same time as him

O'Brien Clan

Name Parents From Until Relationship with predecessor
Conchobhar macMathghamhna O'Brien son of Mathghamhain of Maonmhagh O'Brien 1400 1426 brother of Brian Sreamhach
Tadhg an Glemore O'Brien son of Brian Sreamhach macMathghamhna O'Brien 1426 1438 nephew of Conchobhar macMathghamhna
Mathghamhain Dall O'Brien son of Brian Sreamhach macMathghamhna O'Brien 1438 1444 brother of Tadhg an Glemore
Toirdhealbhagh Bog the Soft O'Brien son of Brian Sreamhach macMathghamhna O'Brien 1444 1459 brother of Mathghamhain Dall
Tadhg an Chomhaid macToirdhealbhaig O'Brien son of Toirdhealbhagh Bog the Soft O'Brien 1459 1466 son of Toirdhealbhagh Bog the Soft
Donnchadh macMathghamhna Daill O'Brien son of Mathghamhain Dall O'Brien 1459 1461 nephew of Toirdhealbhagh Bog the Soft, claimant same time as cousin Tadhg an Chomhaid macToirdhealbhaig
Conchobhar Mór macToirdhealbhaig O'Brien son of Toirdhealbhagh Bog the Soft O'Brien 1466 1496 brother of Tadhg an Chomhaid macToirdhealbhaig
Toirdhealbhach óg macToirdhealbhaig O'Brien son of Toirdhealbhagh Bog the Soft O'Brien 1496 1498 brother of Conchobhar Mór macToirdhealbhaig
Toirdhealbhach Donn macTaidhg O'Brien son of Tadhg an Chomhaid macToirdhealbhaig O'Brien 1498 1528 nephew of Toirdhealbhach óg macToirdhealbhaig

O'Brien Clan

Name Parents From Until Relationship with predecessor
Conchobar macToirdhealbaig O'Brien son of Toirdhealbhach Donn macTaidhg O'Brien and Raghnailt MacNamara 1528 1539 son of Toirdhealbhach Donn macTaidhg
Murchadh Carrach macToirdhealbaig O'Brien
Murrough O'Brien, 1st Earl of Thomond
Murrough O'Brien, 1st Earl of Thomond was the last King of Thomond.A member of the Irish nobility, he was the son of Turlough O'Brien, King of Thomond and Raghnailt McNamara and also brother of Connor O'Brien, King of Thomond, who was inaugurated King of Thomond in 1528...

son of Toirdhealbhach Donn macTaidhg O'Brien and Joan FitzMaurice 1539 1543 brother of Conchobar macToirdhealbaig
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK