Last name Castillo Maria (Castillo Maria 
) , throughout the world, is a rare family name. The cognomen Castillo Maria is habitual in Latin America and the Caribbean, particularly Ecuador, where it is quite a rare surname, and Chile, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Castillo Maria | Ecuador, Chile |
Luz, Eugenia, Mercedes, Angelina, Cristina, Victoria, Margarita, Lucinda, Magdalena, Clemencia, Del Pilar, Dioselina, Francisca, Concepcion, Del Carmen, Alejandra, Dolores, Dominga, Adriana, Cruz, Rosa, Ines, Luisa, Julia, Juana, Elena, Ester, Carmen, Teresa, Eliana, Estela, Ercira, Isabel, Manuela, De Lourdes, and Rosa Albertina