Sušec families are Croats and they are mostly from Varazdin area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sveti Ivan Zelina. In Turnišće Klanječko in Zabok area every third inhabitant had the family name Sušec.
Prevalence
About 340 people with faimily name Sušec live in Croatia today, in 130 households. There were 330 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 18 cities and 48 other places, mostly in Zagreb (60), Novo Mjesto (25), Orehovica in Cakovec area (25), Turnisce Klanjecko in Zabok area (20), and in Police (15).
Outside Croatia
At least five families with this surname emigrated from Croatia to Germany (4) and the United States (1). Family name Sušec is present in 10 countries on three continents. The family name "Susec " is used by some 60 people in the United States , small number in Sweden , and small number of people in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.