Family name Colston-Blye (Colston-Blye 
) , throughout the world, is an extremely rare cognomen. The surname Colston-Blye is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Colston, and a last name Blye.
| VARIANT | COUNTRY |
|---|---|
| Colston-Blye | United States |