Captain Edward Dominic O'Brien (1735 - 1 March 1801) was an Irish law enforcement official and British Army officer.
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Life
Edward Dominic O'Brien was the son of Capt. James O'Brien, M.P. for Youghal, and Mary Jephson. He was born in 1735 at Drogheda, while his father was serving in Parliament. Coming from a military family, at a young age, O'Brien joined the British Army and advanced quickly to the rank of Captain. He married Mary Carrick, the daughter of a Dublin attorney.
In 1758, O'Brien relocated to the west of Ireland and resided with his family in Ennistymon House. He served that year as High Sheriff of Clare, and would hold that position again in 1783 and 1787. Captain O'Brien died on 1 March 1801 at his family's estate in Rostellan, County Cork.
Family
Children of Edward Dominic O'Brien and Mary Carrick:
Murrough O'Brien (1756 - 10 Feb 1808)
Lady Mary O'Brien (1759 - 23 Jan 1840) Married first to Sir Richard Eyre Cox, 4th Baronet, son of Sir Michael Cox, 3rd Baronet, and Hon. Elizabeth Massy. They had one daughter. Married second to Rt. Hon. William Saurin, Attorney-General for Ireland, and had four sons and one daughter.
William O'Brien, 2nd Marquess of Thomond (1765 - 21 Aug 1846)


