Mathilde de Morny was a French aristocrat and artist. She was also known by the nickname "Missy," the artistic pseudonym "Yssim", and the names "Max", "Uncle Max", and "Monsieur le Marquis". Active as a sculptor and painter, Morny studied under Comte Saint-Cène and the sculptor Édouard-Gustave-Louis Millet de Marcilly.
- Occupation
- painter, socialite, artist, sculptor
- Citizenship
- France
- Born
- May 26, 1863
- Died
- June 29, 1944
