In Croatia, Kopp families are generally Croats (from Osijek area ), very rarely Serbs, and barely Italians (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb.
Prevalence
About 40 people with faimily name Kopp live in Croatia today, in 30 households. There were 40 of them in the middle of the past century, and their number remains constant. They are only located in in 6 Croatian cities and threee other places, mostly in Zagreb (15), Rijeka (15), Osijek (<10), Krasica (<5), and in Zapresic (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over fifty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.