In Croatia, Haister families are Croats (from Zupanja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zupanja area.
Prevalence
Only a few people with faimily name Haister live in Croatia today, in two households only. They are located in one Croatian city only, in Pozega (<5).
Outside Croatia
Family name Haister is present in four countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.