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O'Brien meaning and name origin
O'Brien \o-brien, ob-rien\ as a boy's name has the meaning "high, noble" and is a variant of Brian (Celtic, Irish, Gaelic): could also mean "strength".
Popularity of O'Brien
O'Brien is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is the baby names popularity of O'Brien name for boys (2012 statistics). Compare O'Brien with its source form and related boy baby names.