All around the world, Marie-Theresia (Marie-Theresia 
) is a very rare epicene first name. The first name Marie-Theresia is characteristic of Western Europe, particularly Germany, where it is a very rare female name, and France, where it is a very rare epicene name. Very seldom, Marie-Theresia is the last name as well as the forename. Parts of the name also exists independently as a first name Marie, and a first name Theresia.
| VARIANT | COUNTRY |
|---|---|
| Marie-Theresia | Germany, United States, France |
| marie-theresia johanna ignatia gräfin von meran (born 1948) (b. 1948) |
|