Family name 杰拉姆 (Jerram 
, Jarram 
, Gerram 
) , globally, is quite a rare cognomen. The surname 杰拉姆 is habitual in New Zealand, where it is quite a rare surname, the United Kingdom, and Australia, where it is a rare surname. In absolute terms, it most frequently occurs in the United Kingdom, Australia, and the United States. Much less frequently, 杰拉姆 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jerram | United Kingdom, France, Australia, United States, New Zealand |
| Jarram | United Kingdom, Australia, Morocco, United States, New Zealand |
| Gerram | United States, India, Israel, Philippines |