Descendant of Brian; noble, high, or strength
Obrien is an anglicized form of the Irish surname Ó Briain, meaning 'descendant of Brian.' The name Brian is thought to derive from the Old Celtic root 'bre,' meaning hill or high, signifying nobility and strength.
Less common today
Obrien isn't in the latest US Top 1000. It last peaked at #3,684 in 1991.
Jamaican professional soccer player
The mysterious inner party member and antagonist · 1984
US births per 5-year period, 1990–present (SSA data).
