Szumiłowo was formerly part of the German Empire. In the German Empire, the place was called Seehausen, Kr. Graudenz.
The place is now called Szumiłowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Seehausen | German Empire | Graudenz | before the Versailles Treaty |
| Szumiłowo | Poland | Grudziądz | after the Versailles Treaty |
| Seehausen, Kr. Graudenz | German Empire | Graudenz | 1939 |
| Szumiłowo | Poland | Wąbrzeźno | 1945 |
| Szumiłowo | Poland | Toruń | 1992 |