Surname Mummey (Mummey 
) , around the world, is a rare cognomen. The last name Mummey is habitual in the United States, where it is a rare surname, Australia, where it is a very rare surname, and Canada, where it is an extremely rare surname. In absolute terms, it is the most numerous in the United States, Australia, and Mexico.
| VARIANT | COUNTRY |
|---|---|
| Mummey | Mexico, Canada, Australia, Brazil, United States |