Family name Геир (Geir 
, Геир 
, Geyr 
) , worldwide, is a rare last name. The cognomen Геир is characteristic of Northern Europe, particularly Iceland, where it is quite a common surname, Norway, where it is quite a rare surname, and Latvia. Measured by absolute frequency, this name is the most popular in Germany, Norway, and Austria. More prevalently, Геир is the forename as well as the last name.