Kings of Thomond

Surname/tag: Irish_roots Ireland

Project: British Isles Royals and Aristocrats 742-1499 --- Project: British Isles Royals and Aristocrats 1500-Present

• Irish Kingdoms Wikitree

Contents 1 Kings of Thomond 1.1 Ó Briain, 1118-1277 1.2 Ó Briain Clann Tadhg, 1276-1311 1.3 Ó Briain Clann Briain Ruadh, 1277-1284 1.4 Ó Briain Clann Briain Ruadh, 1311-1317 1.5 Ó Briain Clann Tadhg, 1317-1343 1.6 Ó Briain Clann Briain Ruadh, 1343-1350 1.7 Ó Briain Clann Tadhg, 1350-1543 2 Barons, Earls, Marquesses, and Baronets 2.1 Barons Inchiquin (1543) 2.2 Earls of Inchiquin (1654) 2.3 Marquesses of Thomond (1800) 2.4 Barons Inchiquin (1543; Reverted) 2.5 O'Brien Baronets, of Leaghmenagh (1686) 3 The O'Brien Line of Conor O'Brien, Chief of the Name 4 Sources 5 The goal of this project

Kings of Thomond

Ó Briain, 1118-1277

• 1118–1142 Conchobhar Ó Briain, Son of Diarmuid Ó Briain Wikipedia
• 1142–1167 Toirdelbhach mac Diarmaida Ó Briain, Son of Diarmuid Ó Briain
• 1167–1168 Muircheartach mac Toirdelbhach Ó Briain, Son of Toirdelbhach mac Diarmaida Ó Briain
• 1168–1194 Domnall Mór Ua Briain Son of Toirdelbhach mac Diarmaida Ó Briain
• 1194–1198 1203–1210 Muircheartach Finn Ó Briain, Son of Domhnall Mór Ó Briain and Orlacan Ní Murchada
• 1198–1203 Conchobhar Ruadh Ó Briain, Son of Domhnall Mór Ó Briain and Orlacan Ní Murchada
• 1210–1242 Donnchadh Cairbreach O'Brien (1162-1242), Son of Domhnall Mór Ó Briain and Orlacan Ní Murchada
• 1242–1268 Conchobhar na Suidaine Ó Briain, Son of Donnchadh Cairprech Ó Briain Wikipedia
• 1268–1277 Brian Ruadh O'Brien (-1277) Brian Ruadh Ó Briain, Son of Conchobhar na Suidaine Ó Briain

Ó Briain Clann Tadhg, 1276-1311

• 1276–1306 Toirdelbach Ó Briain, Son of Tadhg Cael Uisce Ó Briain
• 1306–1311 Donnchadh mac Toirdelbach Ó Briain, Son of Toirdelbach Ó Briain

Ó Briain Clann Briain Ruadh, 1277-1284

• 1277–1284 Donnchadh mac Brian Ruadh Ó Briain, Son of Brian Ruadh Ó Briain

Ó Briain Clann Briain Ruadh, 1311-1317

• 1311–1313 Diarmuid Cléirech Ó Briain, Son of Donnchadh mac Brian Ruadh Ó Briain
• 1313–1317 Donnchadh mac Domhnall Ó Briain, Son of Domhnall mac Brian Ruadh Ó Briain and Mairéad Nic Mathghamhna

Ó Briain Clann Tadhg, 1317-1343

• 1317–1343 Muircheartach Ó Briain, Son of Toirdelbach Ó Briain and Éadaoin Nic Gormáin

Ó Briain Clann Briain Ruadh, 1343-1350

• 1343–1350 Brian O'brien (abt.1290-abt.1350) Brian Bán Ó Briain, Son of Domhnall mac Brian Ruadh Ó Briain and Mairéad Nic Mathghamhna

Ó Briain Clann Tadhg, 1350-1543

• 1350–1360 Diarmuid mac Toirdelbach Ó Briain, Son of Toirdelbach Ó Briain
• 1360–1369 Mathghamhain Maonmhaighe Ó Briain, Son of Muircheartach Ó Briain and Éadaoin Nic Gormáin
• 1369–1400 Brian an Eanaigh ap Mahon (O'brien) O'Brien (abt.1352-1399) Brian Sreamhach Ó Briain, Son of Mathghamhain Maonmhaighe Ó Briain and Úna Ní Conchubhair
• 1375–1398 Toirdelbhach Maol Ó Briain, Son of Muircheartach Ó Briain and Éadaoin Nic Gormáin
• 1400–1426 Conchobhar mac Mathghamhna Ó Briain, Son of Mathghamhain Maonmhaighe Ó Briain and Úna Ní Conchubhair
• 1426–1438 Tadhg an Glemore Ó Briain, Son of Brian Sreamhach Ó Briain and Sláine Nic Con Mara
• 1438–1444 Mathghamhain Dall Ó Briain, Son of Brian Sreamhach Ó Briain and Sláine Nic Con Mara
• 1444–1459 Toirdelbhach Bóg Ó Briain. Son of Brian Sreamhach Ó Briain and Sláine Nic Con Mara
• 1459–1466 Tadhg an Chomhaid Ó Briain, Son of Toirdelbhach Bóg Ó Briain and Catherine Burke
• 1459–1461 Donnchadh mac Mathghamhna Ó Briain, Son of Mathghamhain Dall Ó Briain
• 1466–1496 Conchobhar na Srona Ó Briain, Son of Tadhg an Chomhaid Ó Briain and Annabella Burke
• 1496–1498 Toirdelbhach Óg Ó Briain, Son of Toirdelbhach Bóg Ó Briain and Catherine Burke
• 1498–1528 Toirdhealbhagh Don (Turlough) O'Brien aka King of Thomond aka Toirdelbhach Donn Ó Briain, Son of Tadhg an Chomhaid Ó Briain and Annabella Burke
• 1528–1539 Conchobhar mac Toirdhealbaig Ó Briain, Son of Toirdelbhach Donn Ó Briain and Raghnailt Mac Con Mara
• 1539–1543 Murchadh Carrach Ó Briain, Son of Toirdelbhach Donn Ó Briain and Joan Fitzmaurice

Barons, Earls, Marquesses, and Baronets

Barons Inchiquin (1543)

• d.1551 Murrough O'Brien, 1st Earl of Thomond, 1st Baron Inchiquin (died 1551).
• d.1557 Dermod O'Brien, 2nd Baron Inchiquin (died 1 May 1557)
• 1550-1574 Murrough McDermot O'Brien, 3rd Baron Inchiquin (1550–1574)
• 1563-1597 Murrough O'Brien, 4th Baron Inchiquin (1563–1597)
• 1594-1624 Dermod O'Brien, 5th Baron Inchiquin (1594–1624)
• 1618-1674 Murrough O'Brien, 6th Baron Inchiquin (1618–1674) (created Earl of Inchiquin in 1654)

Earls of Inchiquin (1654)

• 1618–1674 Murrough O'Brien, 1st Earl of Inchiquin, 6th Baron Inchiquin
• 1640–1692 William O'Brien, 2nd Earl of Inchiquin, 7th Baron Inchiquin
• 1662-1719 William O'Brien, 3rd Earl of Inchiquin, 8th Baron Inchiquin (1662–1719)
• 1700-1777 William O'Brien, 4th Earl of Inchiquin, 9th Baron Inchiquin (1700–1777)
• Murrough O'Brien, 5th Earl of Inchiquin, 10th Baron Inchiquin (1726–1808) (created Marquess of Thomond in 1800)

Marquesses of Thomond (1800)

• Murrough O'Brien, 1st Marquess of Thomond, 10th Baron Inchiquin (1726–1808)
• William O'Brien, 2nd Marquess of Thomond, 11th Baron Inchiquin (1765–1846)
• James O'Brien, 3rd Marquess of Thomond, 12th Baron Inchiquin (1768–1855)

Barons Inchiquin (1543; Reverted)

• Lucius O'Brien, 13th Baron Inchiquin (1800–1872)
• Edward Donough O'Brien, 14th Baron Inchiquin (1839–1900)
• Lucius William O'Brien, 15th Baron Inchiquin (1864–1929)
• Donough Edward Foster O'Brien, 16th Baron Inchiquin (1897–1968)
• Phaedrig Lucius Ambrose O'Brien, 17th Baron Inchiquin (1900–1982)
• Conor Myles John O'Brien, 18th Baron Inchiquin (born 1943)
• The heir presumptive is the present holder's second cousin Conor John Anthony O'Brien (born 1952).
• The heir presumptive's heir apparent is his only son Fionn Murough O'Brien (born 1987).

O'Brien Baronets, of Leaghmenagh (1686)

• Sir Donough O'Brien, 1st Baronet (died 1717)
• Sir Edward O'Brien, 2nd Baronet (died 1765)
• Sir Lucius O'Brien, 3rd Baronet (died 1795)
• Sir Edward O'Brien, 4th Baronet (died 1837)
• Sir Lucius O'Brien, 5th Baronet (1800–1872) (succeeded as Baron Inchiquin in 1855)

The O'Brien Line of Conor O'Brien, Chief of the Name

There is some overlap with the Barons Inchiquin

• Murrough an Taniste O'Brien, d. 1551.
• Donough O'Brien 29 Sep 1582
• Conor O'Brien d. 1603
• Donough O'Brien, d. 1635
• Conor O'Brien, 1617–1651
• Donough O'Brien, 1642–1717
• Lucius O'Brien, 1675–1717
• Edward O'Brien, 1705–1765
• Lucius O'Brien, 1731–1795
• Edward O'Brien, 1773–1837
• Lucius O'Brien, 1800–1872
• Edward O'Brien, 1839–1900
• Lucius O'Brien, 1864–1929
• Fionn O'Brien, 1903–1977
• Conor Myles John O'Brien (1943-2023)

Sources

Also see:

• List of monarchs of Thomond - Wikipedia 21 Aug 2017
• Baron Inchiquin - Wikipedia 21 Aug 2017
• The Normans in Thomond by Joe Power - 21 Aug 2017
• blogspot brian boru - 21 Aug 2017

The goal of this project

Right now this project just has one member, me. I am Richard Devlin.

Here are some of the tasks that I think need to be done. I'll be working on them, and could use your help.

Will you join me? Please post a comment here on this page, in G2G using the project tag, or send me a private message. Thanks!