Surname Mercedes Eloisa (Mercedes Eloisa 
) , worldwide, is an extremely rare family name. The cognomen Mercedes Eloisa is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Predominantly, Mercedes Eloisa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mercedes Eloisa | Costa Rica, Peru, Ecuador, Chile, Argentina |