Surname Thystrup-Gagner (Thystrup-Gagner 
) , across the world, is an extremely rare last name. The surname Thystrup-Gagner 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 Thystrup, and a last name Gagner.
| VARIANT | COUNTRY |
|---|---|
| Thystrup-Gagner | United States |