Surname ممسي (Mumsy 
, ممسي) , around the globe, is a very rare last name. The surname ممسي is characteristic of South Africa, where it is a very rare surname, Australia, and Nigeria, where it is an extremely rare surname. Much more frequently, ممسي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mumsy | United States, Australia, Botswana, South Africa, Nigeria |