Surname Cummings-John (Cummings-John 
) , in the world, is a very rare cognomen. The cognomen Cummings-John is characteristic of the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Cummings, and a first name John.
| VARIANT | COUNTRY |
|---|---|
| Cummings-John | United Kingdom, United States |