Jerneić families are Croats and they are mostly from Zabok. In the past century, relatively most of Croatian residents bearing this family name were born in Zabok and Zagreb.
Prevalence
About 120 people with faimily name Jerneić live in Croatia today, in 50 households. There were 190 of them in the middle of the past century, and their number decreased by 40 percent. They are only located in in 8 Croatian cities and 12 other places, mostly in Zabok (25), Zagreb (20), Grabrovec (15), Brezova in Zabok area (<10), and in Zapresic (<10).
Outside Croatia
Family name Jerneić is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1938 in source Phone Book - Zagreb 1938.