Cognomen Mercedes Humbertina (Mercedes Humbertina 
) , in the entire world, is an extremely rare last name. The family name Mercedes Humbertina is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more prevalently, Mercedes Humbertina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mercedes Humbertina | Ecuador, Chile, Spain |