Surname Rosalia Sonia (Rosalia Sonia 
) , around the globe, is an extremely rare cognomen. The cognomen Rosalia Sonia is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Predominantly, Rosalia Sonia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rosalia Sonia | Costa Rica, Peru, Ecuador, Chile |