Cognomen Demera Vera (Demera Vera 
) , across the world, is a very rare family name. The family name Demera Vera is habitual in Ecuador, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Demera Vera | United States, Ecuador |
Angela, and Melvin Humberto