List of monarchs of Thomond
Encyclopedia
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 |