Save Type Surname (from given name) Usage Irish Pronounced Pron. /ˈɹaɪ.li/(English) [key·simplify] Meaning & HistoryExpand Links Variant of Reilly. Related NamesDetails VariantsÓ Raghailligh, O'Reilly, ReillySame SpellingRiley 1 Categories anglicizations, boxers, brand names, isograms