In the world, Quessy-Leblanc (Quessy-Leblanc 
) is an extremely rare unknown gender first name. Much more prevalently, Quessy-Leblanc is the last name as well as the forename. Parts of the name also exists independently as a last name Quessy, and a last name Leblanc.
| VARIANT | COUNTRY |
|---|---|
| Quessy-Leblanc | Canada |