Cognomen Gellbert (Gellbert 
) , around the globe, is a very rare surname. The family name Gellbert is habitual in Malaysia, where it is a rare surname, and Nigeria, where it is an extremely rare surname. Very seldom, Gellbert is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gellbert | Malaysia, Philippines, Nigeria |