Mary FitzMaurice, 4th Countess of Orkney (4 September 1755 – 30 December 1831) was a Scottish peer, the only surviving child of Murrough O'Brien, 1st Marquess of Thomond and Mary O'Brien, 3rd Countess of Orkney.
Born |
4 September 1755
|
Died |
30 December 1831 (aged 76)
|
Zodiac | Virgo |
Tags | Add tag |