Background
He is the son of Fionn Myles Maryons O'Brien (28 October 1903 – 2 August 1977) and Josephine Reine Bembaron (died 27 October 2011).
He is the son of Fionn Myles Maryons O'Brien (28 October 1903 – 2 August 1977) and Josephine Reine Bembaron (died 27 October 2011).
He was educated at Radley College, Abingdon, Oxfordshire and at Loughborough College, Leicestershire.
Fionn was the son of Lucius William O'Brien, 15th Baron of Inchiquin and Ethel Jane Foster. He fought in the Second World War rising to Flight Lieutenant in 1941 in the service of the Royal Air Force Volunteer Reserve. In 1998, he visited Antioch, California for St. Patrick's Day and Antioch's first St. Patrick's Day Crinniu, hosted by then-Councilman Allen Payton and the city's council proclaimed "Sir Conor O'Brien Day".
Slaney O'Brien and The Hon. Lucia O'Brien.