Štuc families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanski Brod area) and in Slavonski Brod. In Donje Kolibe in Bosanian Posavina every twentieth inhabitant had the family name Štuc.
Prevalence
About 90 people with faimily name Štuc live in Croatia today, in 40 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in 8 Croatian counties, in 7 cities and 10 other places, mostly in Slavonski Brod (75), Zagreb (<10), Ivankovo in Vinkovci area (<10), Rovisce in Bjelovar area (<10), and in Osijek (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1926 in source Emigration Commission Zagreb.