Family name Eirey (Eirey 
) , worldwide, is a very rare last name. The cognomen Eirey is characteristic of Argentina, where it is a very rare surname, Spain, where it is an extremely rare surname, and Venezuela. Not in comparison with a country's population, it is commonest in Argentina, Spain, and Brazil. Much less frequently, Eirey is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eirey | Spain, Philippines, Argentina, Brazil, Venezuela |