Cognomen Mary Antonia (Mary Antonia 
) , globally, is an extremely rare surname. The cognomen Mary Antonia is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Mary Antonia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mary Antonia | Philippines, Peru, Chile, Malaysia, Ecuador |