Family name Gray-Raby (Gray-Raby 
) , in the world, is an extremely rare surname. The last name Gray-Raby 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 Gray, and a last name Raby.
| VARIANT | COUNTRY |
|---|---|
| Gray-Raby | United States |