Mulcey was formerly part of the German Empire. In the German Empire, the place was called Milzingen.
The place is now called Mulcey and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mulcey | German Empire | Château-Salins | before the Versailles Treaty |
| Milzingen | German Empire | Château-Salins | before the Versailles Treaty |
| Mulcey | France | Moselle | after the Versailles Treaty |
| Milzingen | German Empire | Salzburgen | 1940 |
| Mulcey | France | Moselle | 1945 |
| Mulcey | France | Moselle | 1993 |