Last name Ernestina Trinidad (Ernestina Trinidad 
) , throughout the world, is an extremely rare family name. The surname Ernestina Trinidad is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Ernestina Trinidad is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ernestina Trinidad | Peru, Ecuador, Chile |