In Croatia, Kelc families are generally Croats (from Ivanic-Grad ), rarely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Jastrebarsko.
Prevalence
About 30 people with faimily name Kelc live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, in 6 cities and another small place , mostly in Zagreb (<10), Ivanic-Grad (<10), Jastrebarsko (<10), Sracinec in Varazdin area (<5), and in Gradici (<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.