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O'Brien, Mary 3rd Countess of Orkney (suo jure) Marchioness of Thomond
Abt 1721 - 1791 (70 years)
Generation: 1
1. O'Brien, Mary 3rd Countess of Orkney (suo jure) Marchioness of Thomond was born about 1721; died on 10 May 1791. Family/Spouse: O'Brien, Murrough 1st Marquess of Thomond. Murrough (son of O'Brien, Hon James and Jephson, Mary) was born about 1726; died on 10 Feb 1808 in Mumbai, Maharashtra, India; was buried on 14 Dec 1808 in Mumbai, Maharashtra, India. [Group Sheet] [Family Chart]
Children:- O'Brien, Mary was born on 4 Sep 1755; died on 30 Dec 1831.