In Croatia, Kelher families are generally Croats (from Klanjec area ), very rarely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Sisak.
Prevalence
About 10 people with faimily name Kelher live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number halved. They are located in only five naselja i to in Zagreb (<10), Hrastelnica (<5), Slavonski Brod (<5), Palanjek (<5), and in Dubravica in Klanjec area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.