Type Word Usage Old Irish Meaning & History Old Irish word meaning "bright, white" [1]. Related ItemsDetails Given Name DescendantsMeriel, Merrill, Meryl, Muriel(English) Muriel, Murielle(French) Muriel, Muirgheal(Irish) Muriel(Medieval Breton) Muirgel(Old Irish) Myrgjǫl(Old Norse) Muriel(Scottish) Muireall(Scottish Gaelic) Surname DescendantMerrill(English) Sources & References Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 156.