Kušec families are Croats and they are mostly from Krizevci area. In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci area and in Zagreb. In places Brezje Miholečko and Donji Fodrovec in Krizevci area every fourth inhabitant had the family name Kušec.
Prevalence
About 370 people with faimily name Kušec live in Croatia today, in 150 households. There were 390 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 20 cities and 42 other places, mostly in Zagreb (70), Brezje Miholecko in Krizevci area (55), Krizevci (25), Bedenica in Sveti Ivan Zelina area (15), and in Kriz in Ivanic-Grad area (10).
Outside Croatia
At least three families with this surname emigrated from Croatia to Germany (2) and the United States (1). Family name Kušec (including: Kusec , Chaussec , Khusez and Kuschetz ) is present in 11 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.