Surname Mario Emerson (Mario Emerson 
) , in the entire world, is an extremely rare family name. The cognomen Mario Emerson is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Mario Emerson is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mario Emerson | Costa Rica, Philippines, Chile, Ecuador, Peru |