In Croatia, Koščal families are generally Croats (from Ivanic-Grad area ), rarely Czechs (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Ivanic-Grad area and in Zagreb.
Prevalence
About 10 people with faimily name Koščal live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located and two other Croatian places, mostly in Zagreb (<5), Daruvar (<5), Zadar (<5), Sibenik (<5), and in Klostar Ivanic in Ivanic-Grad area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.