Ferenčak families are Croats and they are mostly from Vrbovec area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sisak. In Donja Velika in Vrbovec area every fifth inhabitant had the family name Ferenčak.
Prevalence
About 910 people with faimily name Ferenčak live in Croatia today, in 400 households. There were 1000 of them in the middle of the past century, and their number decreased by 10 percent. They are located in the most of Croatian counties, in 39 cities and 112 other places, mostly in Zagreb (285), Koprivnica (35), Ciglenica Zagorska in Zabok area (30), Sesvete (25), and in Sisak (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.