Cognomen Buckner-Swain (Buckner-Swain 
) , around the world, is an extremely rare last name. The last name Buckner-Swain 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 Buckner, and a last name Swain.
| VARIANT | COUNTRY |
|---|---|
| Buckner-Swain | United States |