Cognomen Mary Wendy (Mary Wendy 
) , in all the world, is an extremely rare family name. The last name Mary Wendy is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more frequently, Mary Wendy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mary Wendy | Chile, Spain, Peru, Philippines, Ecuador |