In Croatia, Černy families are generally Croats (from Djurdjevac area ), very rarely Slovaks (from Ilok ), and barely Czechs (from Grubisno Polje ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Koprivnica. In Hrnjevac in Orahovica area every fiftieth inhabitant had the family name Černy.
Prevalence
About 40 people with faimily name Černy live in Croatia today, in 19 households. There were 20 of them in the middle of the past century, and their number doubled. They are located in 8 Croatian counties, in 7 cities and 5 other places, mostly in Zagreb (20), Virje in Djurdjevac area (<10), Koprivnica (<5), Novo Cice (<5), and in Ilok (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.