Surname Cushing-Leubner (Cushing-Leubner 
) , worldwide, is an extremely rare cognomen. The cognomen Cushing-Leubner 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 Cushing, and a last name Leubner.
| VARIANT | COUNTRY |
|---|---|
| Cushing-Leubner | United States |