In Croatia, Kajfež families are Croats (from Klanjec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Karlovac.
Prevalence
About 20 people with faimily name Kajfež live in Croatia today, in 13 households. There were 30 of them in the middle of the past century, and their number decreased by 20 percent. They are located in only four naselja i to in Zagreb (15), Varazdin (<5), Karlovac (<5), and in Poljana Sutlanska in Klanjec area (<5).
Outside Croatia
Family name Kajfež (including: Kajfez , Kayfez ) is present in four countries on two continents. The family name "Kajfez " is used by some 100 people in the United States. "Kayfez " is used by small number of 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 1926 in source Emigration Commission Zagreb.