The origin of the surname De Maria is Genova, Italy.

The name is of biblical origin, comes from the Virgin Mary. The prefix "de" or "Di" is added to denote that is metonymic, that is the name derives from the name of the mother, "son of Mary". This is rare in the Italian surname which are generally patronymic origin, ie derived from the name of the father, and the metonymic usually adopted by illegitimate children.

Some variations of this surname are: Maria, De Maria, Demaria, Di Maria, Mari and others.