Surname Thessy (Thessy 
) , around the world, is a rare family name. The cognomen Thessy is habitual in Nigeria, where it is a rare surname, Mexico, where it is an extremely rare surname, and Peru. More prevalently, Thessy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thessy | Democratic Republic of the Congo, United States, Nigeria, Germany, Indonesia |
|
bertrand de thessy Grand Master of Order of Saint John of Jerusalem, FR (b. 1200) |
|