Murrough O'Brien, 1st Earl of Thomond
| Murrough O'Brien | |
|---|---|
Murrough surrenders the crown of Thomond to King Henry VIII at Greenwich upon the Thames July 1543. | |
| King of Thomond | |
| Reign | 1540-1543 |
| Predecessor | Conor O'Brien |
| Successor | Monarchy abolished |
| Earl of Thomond | |
| Reign | 1 July 1543 – 7 November 1551 |
| Successor | Donough O'Brien |
| Baron of Inchiquin | |
| Reign | 1 July 1543 – 7 November 1551 |
| Successor | Dermod O'Brien |
| Born | Before 1486 |
| Died | 7 November 1551 |
| Spouse | Eleanor FitzGerald |
| Issue | Turlogh O'Brien (died 1542) Dermod O'Brien Teige Mac Murrough O'Brien Donough O'Brien |
| House | Ua Briain |
| Father | Toirdhealbhach Donn Ó Briain |
| Mother | Raghnait MacNamara |
Murrough O'Brien, 1st Baron of Inchiquin, 1st Earl of Thomond (Irish: Murchadh an Tánaiste Ó Briain) (died 7 November 1551) was an Irish peer, Chief of Clan O'Brien, and the last King of Thomond.