Means "light" in Spanish. It is taken from the title of the Virgin Mary, Nuestra Señora de la Luz, meaning "Our Lady of Light". Luz originates in Latin language and means "filled with light". It also coincides with the Spanish word for "light". Luz is the name of two places in the Bible. As a feminine given name it has gained popularity in the United States lately. It is used mainly in Spanish-speaking families and functions as a surname as well.