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