Tomaszkowo was formerly part of the German Empire. In the German Empire, the place was called Thomsdorf.
The place is now called Tomaszkowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Thomsdorf | German Empire | Allenstein | 1939 |
| Tomaszkowo | Under Polish administration | Olsztyn | 1945 |
| Tomaszkowo | Poland | Olsztyn | 1992 |