68%RatingSave Gender Feminine Usage Irish Mythology Meaning & History Derived from Old Irish rígain meaning "queen". According to some sources, this was the name of a wife of the semi-legendary Irish king Niall of the Nine Hostages. Related NamesFamily Tree·Details RootrígainVariantRíghnachOther Languages & CulturesRíona, Ríonach(Irish) People think this name isRate·Details classic mature formal upper class natural wholesome strong strange complex serious Categories leadership, legend, mythology, queens, royalty, wives