O'Brien meaning, boyO'Brien

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Meaning and name origin

O'Brien \o-brien, ob-rien\ as a boy's name is of Celtic, Irish and Gaelic origin, and the meaning of O'Brien is "high, noble". O'Brien is a variant of Brian (Celtic, Irish, Gaelic): could also mean "strength".


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 a comparison of the popularity of the boy name O'Brien and its source form. The only popular variation form ranked in the Top 1000/100 is Brian (#168). (2014 statistics).

Top 1000 baby names ranking of Brian in U.S.

Top 100 baby names ranking of Brian outside U.S.