Captain Edward Dominic O'Brien (1735 - 1 March 1801) was an Irish law enforcement official and British Army officer.
Coming from a military family, at a young age, O'Brien joined the British Army and advanced quickly to the rank of Captain.
In 1758, O'Brien relocated to the west of Ireland and resided with his family in Ennistymon House.
Captain O'Brien died on 1 March 1801 at his family's estate in Rostellan, County Cork.
Children of Edward Dominic O'Brien and Mary Carrick: The History and Topography of the County of Clare