Šupe families are Croats and they are mostly from Sibenik. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Zagreb. In places Radonić , Gradina and Konjevrate in Sibenik every ninth inhabitant had the family name Šupe.
Prevalence
About 350 people with faimily name Šupe live in Croatia today, in 140 households. There were 220 of them in the middle of the past century, and their number increased by 60 percent. They are located in 9 Croatian counties, in 11 cities and 10 other places, mostly in Sibenik (165), Zagreb (50), Lozovac (20), Zadar (10), and in Split (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1925 in source Emigration Commission Zagreb.