Dębe Końskie was formerly part of the German Empire. In the German Empire, the place was called Debe Konskie.
The place is now called Dębe Kąskie and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Debe Konskie | Russian Empire | Prasnyš | 1914 |
| Dębe Końskie | Poland | Przasnysz | 1919 |
| Debe Konskie | German Empire | Praschnitz | 1939 |
| Dębe-Kąski | Poland | Przasnysz | 1945 |
| Dębe Kąskie | Poland | Ciechanów | 1992 |