Lassoky was formerly part of the German Empire. In the German Empire, the place was called Weidenmoor O.S..
The place is now called Lasaki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lassoky | German Empire | Ratibor | 1936 |
| Weidenmoor O.S. | German Empire | Ratibor | 1939 |
| Lasaki | Under Polish administration | Racibórz | 1945 |
| Lasaki | Poland | Katowice | 1992 |