In Croatia, Kecko families are predominantly Croats (from Backa, Vojvodina ), rarely Ukrainians (from Pleternica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pleternica area and in Zagreb.
Prevalence
About 10 people with faimily name Kecko live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Zagreb (<10), Vocin in Slatina area (<10), Slavonski Brod (<5), and in Noskovacka Dubrava in Slatina area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 2007 in source Encyclopaedia of Croatian Surnames.