Surname Пірс (Pirs 
, Пірс 
) , in the world, is a rare family name. The surname Пірс is habitual in Slovenia, where it is quite a common surname, Latvia, where it is quite a rare surname, and Estonia. Measured by absolute frequency, this name is the most popular in Slovenia, Latvia, and Austria. Very seldom, Пірс is the forename as well as the last name.