80%RatingSave Gender Masculine Usage Old Irish [1] Meaning & HistoryExpand Links Old Irish form of Ruadhán. Related NamesFamily Tree·Details RootrúadOther Languages & CulturesRoy(Dutch) Rowan, Roy, Rowen(English) Rowan, Ruadhán(Irish) Ruadh(Medieval Irish) Ruadh(Medieval Scottish) Roy(Scottish) Sources & References O'Brien, Kathleen M. Index of Names in Irish Annals, available from https://medievalscotland.org/kmo/AnnalsIndex/Masculine/Ruadan.shtml.