In Croatia, Hain families are Croats (from Pleternica area ). In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Losinj.
Prevalence
Only a few people with faimily name Hain live in Croatia today, in three households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in two Croatian cities only, in Delnice (<5) and Ponikve (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1925 in source Emigration Commission Zagreb.