Surname Jean-Gaston (Jean-Gaston 
) , all around the world, is an extremely rare last name. The surname Jean-Gaston is characteristic of Northern America, particularly Canada, where it is an extremely rare surname. Predominantly, Jean-Gaston is the forename as well as the last name. Parts of the name also exists independently as a first name Jean, and a first name Gaston.
| VARIANT | COUNTRY |
|---|---|
| Jean-Gaston | Canada, France |