Kiersity was formerly part of the German Empire. In the German Empire, the place was called Kirschitten.
The place is now called Kiersity and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kirschitten | German Empire | Preußisch Eylau | 1939 |
| Kiersity | Under Polish administration | Górowo Iławeckie | 1945 |
| Kiersity | Poland | Olsztyn | 1992 |