Family name Silvera Diaz (Silvera Diaz 
) , across the world, is a very rare surname. The cognomen Silvera Diaz is characteristic of Uruguay, where it is a rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Silvera Diaz | Spain, Uruguay |
Sofia, Ambar, Miguel, Daniela, Juan Carlos, Adriana Sofia, and Shirley Milagros