Surname Gill-Bey (Gill-Bey 
) , all over the world, is an extremely rare last name. The cognomen Gill-Bey is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Gill, and a last name Bey.
| VARIANT | COUNTRY |
|---|---|
| Gill-Bey | United States |