Kvaternik families are Croats and they are mostly from Vrbovsko area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Rijeka. In Vele Drage in Vrbovsko area every second inhabitant had the family name Kvaternik.
Prevalence
About 330 people with faimily name Kvaternik live in Croatia today, in 140 households. There were 410 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 25 cities and 44 other places, mostly in Zagreb (70), Rijeka (30), Gerovo (20), Bucje (15), and in Karlovac (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.