In Croatia, Hainš families are Croats (from Koprivnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica area and in Varazdin.
Prevalence
About 20 people with faimily name Hainš live in Croatia today, in 12 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located and threee other Croatian places, mostly in Legrad in Koprivnica area (<10), Varazdin (<10), Zagreb (<5), Koprivnica (<5), and in Donja Bistra in Oroslavje area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.