Last name Sullivan-Davis (Sullivan-Davis 
) , in the world, is a very rare cognomen. The last name Sullivan-Davis is characteristic of Chile, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Parts of the name also exists independently as a last name Sullivan, and a last name Davis.
| VARIANT | COUNTRY |
|---|---|
| Sullivan-Davis | Chile, United Kingdom, United States |