The surname Morales appears to be patronymical and locational in origin and is believed to be associated with the Spanish and Portuguese meaning, "the son of Moral (right and proper); one who came from Morales (mulberry tree), the name of two towns in Spain; dweller near a mulberry or blackberry bush. Different spellings of the same original surname are a common occurrence. Dictionaries of surnames indicate probable spelling variations. The most prominent variations of Morales are Moralez, Moral and Moreira.