Save Type Surname (from given name) Usage Irish Pronounced Pron. /ˈɹaɪ.əɹ.dən/(American English) /ˈɹaɪ.ə.dən/(American English) [key·simplify] Meaning & HistoryExpand Links From Irish Ó Ríoghbhárdáin meaning "descendant of Rígbarddán". Related NamesDetails RootRígbarddán (given name)VariantsÓ Ríoghbhárdáin, Reardon
