69%RatingSave Gender Feminine Usage Old Irish [1] Meaning & History Means "bright sea", derived from Old Irish muir "sea" and gel "bright". Related NamesFamily Tree·Details Rootsmuir + gelOther Languages & CulturesMeriel, Muriel, Meryl(English) Muriel, Murielle(French) Muriel, Muirgheal(Irish) Muriel(Medieval Breton) Myrgjǫl(Old Norse) Muriel(Scottish) Muireall(Scottish Gaelic) Categories light, ocean, sea, water Sources & References O'Brien, Kathleen M. Index of Names in Irish Annals, available from https://medievalscotland.org/kmo/AnnalsIndex/Feminine/Muirgel.shtml.