List of people with surname O'Brien
FAMILY NAME
O'Brien (surname); List of people named O'Brien
O'Brien or Brien is a surname of Irish origin which has many variants in the Irish diaspora worldwide, such as O'Bryan, O'Brian, O'Briant, O'Brient, O'Bryant, O'Brine, O'Bryen etc., which all claim a general common ancestry with the original Gaelic surname being Ó Briain (plural, Uí Briain).