In Croatia, Jeraj families are generally Croats (from Ivanic-Grad ), rarely Slovenes (from Vinkovci ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Ivanic-Grad.
Prevalence
About 20 people with faimily name Jeraj live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number decreased by 50 percent. They are located in 6 Croatian counties and another small place , mostly in Ivanic-Grad (<10), Zagreb (<5), Pozega (<5), Knin (<5), and in Luzani in Pleternica area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1927 in source Emigration Commission Zagreb.