Cognomen Mary Delia (Mary Delia 
) , all over the world, is an extremely rare last name. The last name Mary Delia is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more prevalently, Mary Delia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mary Delia | Peru, Philippines, Chile, Ecuador, Costa Rica |