Cognomen גרש (Gersh 
, Gersz 
, גרש ) , in the world, is quite a rare surname. The last name גרש is characteristic of British Virgin Islands, where it is quite a common surname, Israel, where it is quite a rare surname, and Australia, where it is a rare surname. In absolute terms, this name is the most popular in the United States, Israel, and Australia. Also, גרש is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gersh | Australia, Canada, United States, Israel, Saudi Arabia |
| Gersz | Canada, Argentina, Brazil, Poland, United States |
| גרש | Israel |