Surname Defray (Defray 
, Fraier 
) , all around the world, is a very rare last name. The cognomen Defray is characteristic of Sweden, where it is a rare surname, Switzerland, where it is a very rare surname, and Italy. Measured by absolute frequency, the name is most common in the United States, Sweden, and Italy. More prevalently, Defray is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Defray | Democratic Republic of the Congo, France |
| Fraier | Germany, Sweden, Italy, United States, Switzerland |