Cognomen Gejr (Gejr 
) , in the entire world, is a very rare surname. The family name Gejr is characteristic of Denmark, where it is a rare surname, and India, where it is an extremely rare surname. Very seldom, Gejr is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gejr | India, Denmark, United States |