Surname Gaines-Hargett (Gaines-Hargett 
) , in the world, is an extremely rare cognomen. The surname Gaines-Hargett 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 Gaines, and a last name Hargett.
| VARIANT | COUNTRY |
|---|---|
| Gaines-Hargett | United States |