In Croatia, Šušiljnjak families are Croats (from Sveti Ivan Zelina ). In the past century, relatively most of Croatian residents bearing this family name were born in Sveti Ivan Zelina.
Prevalence
Only a few people with faimily name Šušiljnjak live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only two naselja i to in Vukovje Zelinsko (<5) and Sveti Ivan Zelina (<5).
Outside Croatia
Family name Šušiljnjak is present in this form only in Croatia.
