Girl name origins & meanings Latin : LightSpanish : Light Girl name variations Lucy Lucie Lucia Luce Lou Lu Luza Luciana Lucianna Lucianne Lucienne Lucida Lucile Lucille Lucette Family name origins & meanings Spanish and Portuguese : religious byname from a title of the Virgin Mary, Spanish María de la Luz, Portuguese Maria da Luz ‘Mary of Light’ (from Latin lux, genitive lucis).German : variant of Lutz.Jewish (Israeli) : ornamental name from Hebrew luz ‘almond’, a translation of Mandel.