Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links Anglicized form of Ó Riain, or else a simplified form of Mulryan. Related NamesDetails VariantsMulryan, Ó Maoil Riain, Ó RiainUser SubmissionRyan Categories anglicizations, baseball players, Bioshock characters, child actors, comedians, Family Affair characters, given names, Grease, isograms, US Catholic bishops
