Cognomen Miriam Gregoria (Miriam Gregoria 
) , in the world, is an extremely rare surname. The family name Miriam Gregoria is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. More frequently, Miriam Gregoria is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Miriam Gregoria | Peru, Chile, Venezuela, Ecuador |