In Croatia, Halper families are Croats (from Krapina ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Karlovac.
Prevalence
About 10 people with faimily name Halper live in Croatia today, in five households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only four naselja i to in Karlovac (<10), Zagreb (<5), Skaricevo (<5), and in Lepajci (<5).
Outside Croatia
Family name Halper is present in 19 countries worldwide. The family name "Halper " is used by some 2000 people in the United States , about 500 in Austria , and some 100 people in Afghanistan.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.