Cognomen Jefress (Jefress 
) , worldwide, is an extremely rare last name. The surname Jefress is habitual in New Zealand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Jefress is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jefress | New Zealand, United States, South Africa, Philippines |