In Croatia, Rajniš families are Croats (from Krizevci ). In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci and Virovitica.
Prevalence
About 20 people with faimily name Rajniš live in Croatia today, in 9 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in threee Croatian counties, four cities and two other places, mostly in Virovitica (<10), Split (<10), Krizevci (<10), Koprivnica (<5), and in Korija (<5).