Last name Mercedes Mariana (Mercedes Mariana 
) , all around the world, is an extremely rare surname. The family name Mercedes Mariana is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Much more prevalently, Mercedes Mariana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mercedes Mariana | Costa Rica, Spain, Chile, Ecuador, Peru |