In Croatia, Kusec families are Croats (from Osijek area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pregrada and Krapina.
Prevalence
About 20 people with faimily name Kusec live in Croatia today, in 8 households. There were 40 of them in the middle of the past century, and their number halved. They are located in threee Croatian counties, four cities and threee other places, mostly in Ernestinovo in Osijek area (<10), Busin (<10), Cigrovec (<10), Pregrada (<5), and in Osijek (<5).
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.