Surname Casco Silva (Casco Silva 
) , worldwide, is a rare last name. The cognomen Casco Silva is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is quite a rare surname, Ecuador, where it is a very rare surname, and Nicaragua. Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly Paraguay, Ecuador, and Colombia.
| VARIANT | COUNTRY |
|---|---|
| Casco Silva | Nicaragua, Colombia, Paraguay, Ecuador |