Šuper families are Croats and they are mostly from Gospic. In the past century, relatively most of Croatian residents bearing this family name were born in Gospic and Zagreb. In Rizvanuša in Gospic every fourth inhabitant had the family name Šuper.
Prevalence
About 150 people with faimily name Šuper live in Croatia today, in 70 households. There were 110 of them in the middle of the past century, and their number increased by 30 percent. They are located in the most of Croatian counties, in 13 cities and 10 other places, mostly in Zagreb (30), Gospic (25), Ivankovo in Vinkovci area (25), Rijeka (15), and in Osijek (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1923 in source Emigration Commission Zagreb.