List of monarchs of Thomond
Ó Briain Clann Tadhg, 1350-1543

Name
Portrait
Birth
Marriages
Death
Diarmuid mac Toirdelbach Ó Briain 1350–1360
-
Son of Toirdelbach Ó Briain
unknown
1360
Mathghamhain Maonmhaighe Ó Briain 1360–1369
-
Son of Muircheartach Ó Briain and Éadaoin Nic Gormáin
Úna Ní Conchubhair Several children
1369
Brian Sreamhach Ó Briain 1369–1400
-
Son of Mathghamhain Maonmhaighe Ó Briain and Úna Ní Conchubhair
Sláine Nic Con Mara Several children
1400
Toirdelbhach Maol Ó Briain 1375–1398 (claimant)
-
Son of Muircheartach Ó Briain and Éadaoin Nic Gormáin
unknown
1398
Conchobhar mac Mathghamhna Ó Briain 1400–1426
-
Son of Mathghamhain Maonmhaighe Ó Briain and Úna Ní Conchubhair
unknown
1426
Tadhg an Glemore Ó Briain 1426–1438
-
Son of Brian Sreamhach Ó Briain and Sláine Nic Con Mara
unknown
1438
Mathghamhain Dall Ó Briain 1438–1444
-
Son of Brian Sreamhach Ó Briain and Sláine Nic Con Mara
unknown
1444
Toirdhealbhach Bóg Ó Briain 1444–1459
-
Son of Brian Sreamhach Ó Briain and Sláine Nic Con Mara
Catherine Burke Several children
1459
Tadhg an Chomhaid Ó Briain 1459–1466
-
Son of Toirdhealbhach Bóg Ó Briain and Catherine Burke
Annabella Burke Several children
1466
Donnchadh mac Mathghamhna Ó Briain 1459–1461 (claimant)
-
Son of Mathghamhain Dall Ó Briain
unknown
1461
Conchobhar na Srona Ó Briain 1466–1496
-
Son of Toirdhealbhach Bóg Ó Briain
unknown
1496
Toirdelbhach Óg Ó Briain 1496–1498
-
Son of Toirdhealbhach Bóg Ó Briain and Catherine Burke
unknown
1498
Toirdhealbhach Donn Ó Briain 1498–1528
-
Son of Tadhg an Chomhaid Ó Briain and Annabella Burke
Raghnailt Nic Con Mara Several children Joan FitzMaurice Several children
1528
Conchobhar mac Toirdhealbaig Ó Briain 1528–1539
-
Son of Toirdelbhach Donn Ó Briain and Raghnailt Mac Con Mara
unknown
1539
Murchadh Carrach Ó Briain 1539–1543
-
Son of Toirdelbhach Donn Ó Briain and Raghnait MacNamara
Eleanor FitzGerald
1551

Question: Who succeeded Mathghamhain Maonmhaighe, King of Thormond?
Answer: Mathghamhain Maonmhaighe Ó Briain's son Brian Sreamhach MacMathghamhna O'Brien succeeded, him as King of Thomond.