In Croatia, Cajhen families are Croats (from Pregrada ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pregrada. In Kostelsko in Pregrada every twentieth inhabitant had the family name Cajhen.
Prevalence
About 40 people with faimily name Cajhen live in Croatia today, in 14 households. There were 30 of them in the middle of the past century, and their number increased by 50 percent. They are located in only five naselja i to in Kostelsko (15), Zagreb (10), Pregrada (<10), Krapina (<5), and in Kostel (<5).
Outside Croatia
Family name Cajhen (including: Zaichen , Caihen ) is present in 7 countries on three continents. The family name "Cajhen " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1938 in source Emigration Commission Zagreb.