Globally, Mary Antonia (Mary Antonia 
) is a very rare female given name. The first name Mary Antonia is habitual in Latin America and the Caribbean, particularly Peru, where it is a rare feminine name, and Chile, where it is a very rare female name. Much less frequently, Mary Antonia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mary Antonia | Philippines, Peru, Chile, Malaysia, Ecuador |