Family name Mariela Alexis (Mariela Alexis 
) , in the world, is an extremely rare last name. The family name Mariela Alexis is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, Mariela Alexis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mariela Alexis | Peru, Chile, Ecuador, Mexico |