59%RatingSave Gender Masculine Usage Irish Meaning & History From Old Irish Rígán, itself from rí "king" (or the derivative ríg "royal") combined with a diminutive suffix. Related NamesFamily Tree·Details RootríOther Languages & CulturesRígán, Riacán(Old Irish) People think this name isRate·Details classic mature formal upper class natural wholesome strong strange complex serious Categories isograms, king, leadership, royalty