Surname Хирс (Hirs 
, Хирс 
, Khirs 
) , in the world, is a rare last name. The cognomen Хирс is habitual in Estonia, where it is quite a rare surname, Switzerland, and Czechia. Measured by absolute frequency, it most frequently occurs in Netherlands, Czechia, and Switzerland. Much less frequently, Хирс is the forename as well as the last name.