Surname Isabelle-Marguerite (Isabelle-Marguerite 
) , throughout the world, is an extremely rare last name. Much more prevalently, Isabelle-Marguerite is the forename as well as the last name. Parts of the name also exists independently as a first name Isabelle, and a first name Marguerite.
| VARIANT | COUNTRY |
|---|---|
| Isabelle-Marguerite | United Kingdom |