Surname Gray-Davis (Gray-Davis 
) , all around the world, is a very rare family name. The surname Gray-Davis is characteristic of the United Kingdom, where it is a very rare surname, and 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 Davis.
| VARIANT | COUNTRY |
|---|---|
| Gray-Davis | United States, United Kingdom |