Jeren families are Croats and they are mostly from Koprivnica area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Novi Marof. In Orehovec in Novi Marof every tenth inhabitant had the family name Jeren.
Prevalence
About 90 people with faimily name Jeren live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number remains constant. They are only located in four Croatian cities and 10 other places, mostly in Zagreb (35), Lunjkovec in Ludbreg area (20), Sesvete (15), Orehovec (<10), and in Presecno (<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.