Family name Guisby (Guisby 
) , around the globe, is an extremely rare cognomen. The last name Guisby is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more frequently, Guisby is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guisby | United States, Democratic Republic of the Congo |