Cognomen Mariel Stefania (Mariel Stefania 
) , around the globe, is an extremely rare family name. The last name Mariel Stefania is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Mariel Stefania is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mariel Stefania | Chile, Ecuador |