Cognomen Jeffer-Son (Jeffer-Son 
) , across the world, is an extremely rare family name. Much more prevalently, Jeffer-Son is the forename as well as the last name. Parts of the name also exists independently as a first name Jeffer, and a first name Son.
| VARIANT | COUNTRY |
|---|---|
| Jeffer-Son | Democratic Republic of the Congo, Philippines |