32%RatingSave Gender Feminine Usage Old Irish Meaning & HistoryExpand Links Probably derived from the name of the mythological figure Lugh. This was the name of an obscure early Irish saint, mentioned in the martyrologies of Tallaght [1] and Gorman [2]. Related NamesFamily Tree·Details Other Languages & CulturesLuíseach(Irish) Categories dark, light, mythology, saints, uncertain etymology Sources & References Page at https://archive.org/details/bub_gb_wbUCAAAAQAAJ/page/n27/mode/2up. Page at https://archive.org/details/martyrologyofgor09gormuoft/page/102/mode/2up.