Cognomen Blaivy (Blaivy 
) , in the entire world, is an extremely rare family name. The cognomen Blaivy is habitual in Latin America and the Caribbean, particularly Mexico, where it is an extremely rare surname. Much more prevalently, Blaivy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blaivy | Mexico, Democratic Republic of the Congo |