Type Word Usage Old Irish Meaning & History Old Irish word meaning "queen" (feminine form of rí) [1] . Related ItemsFamily Tree ·Details Other Languages & Culturesrīxs (Old Celtic) ri (Old Welsh) Given Name DescendantsRíona, Ríonach (Irish) Morrígan, Mórríghan, Mór-Ríoghain, Ríghnach, Ríoghnach (Irish Mythology) Sources & ReferencesShow Inline Numbers Hide Inline Numbers Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 311. Share on Facebook Share on Twitter Entry updated May 26, 2026