Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links From the Irish Ó Briain meaning "descendant of Brian". Related NamesDetails VariantsÓ Briain, O'BrianOther Languages & CulturesBryan, Bryant(English) Categories American sprinters, Ashita no Nadja characters, bass guitarists, bluegrass musicians, child actors, comedians, Doctor Who actors, Emergency characters, game show hosts, guitarists, isograms, Italian Westerns, satirists, sports pundits, Star Trek characters, Swimming Hall of Famers, TV presenters