We found 0 people with the Castillo surname in our records.

Your surname might be Spanish for two reasons:

1. Your family originated in Spain or a Spanish-speaking country.
2. Your surname was assigned from the Catálogo alfabético de Apellidos during the Spanish colonial era in the Philippines.

In 1849, Governor-General Clavería decreed that all Filipino families must have surnames. These surnames were distributed regionally from a list called the Catálogo alfabético de Apellidos