Cognomen Fassett-Kelly (Fassett-Kelly 
) , in the world, is an extremely rare last name. The family name Fassett-Kelly 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 Fassett, and a first name Kelly.
| VARIANT | COUNTRY |
|---|---|
| Fassett-Kelly | United States |