Pirš families are Croats and they are mostly from Pregrada area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Pregrada area. In Kladnik in Pregrada area every eighth inhabitant had the family name Pirš.
Prevalence
About 70 people with faimily name Pirš live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 7 Croatian counties and 8 other places, mostly in Zagreb (40), Ravno Brezje in Pregrada area (<10), Velika Gorica (<10), Drenovci in Zupanja area (<5), and in Kladnik in Pregrada area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.