O'brien
Irish
"descendant of Brian"Share
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O'brien Origin and Meaning
The name O'brien is a girl's name of Irish origin meaning "descendant of Brian".
This kind of authentic Irish surname makes a memorable first name for either sex, following in the path of all the Mac and Mc names recently popular.
O'brien in Pop Culture
- Sarah O'Briencharacter on the British TV series "Downton Abbey"