In Croatia, Kess families are Croats (from Valpovo ). In the past century, relatively most of Croatian residents bearing this family name were born in Valpovo.
Prevalence
Only a few people with faimily name Kess live in Croatia today, in two households only. They are located in one Croatian city only, in Valpovo (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.