Kudlek families are Croats and they are mostly from Petrinja. In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja and Sisak. In Gornje Mokrice in Petrinja every fifth inhabitant had the family name Kudlek.
Prevalence
About 80 people with faimily name Kudlek live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number decreased by 10 percent. They are only located in in 7 Croatian cities and 7 other places, mostly in Petrinja (15), Lukavec Posavski (15), Gornje Mokrice (15), Gunja in Zupanja area (<10), and in Zagreb (<10).
Outside Croatia
Family name Kudlek is present in 7 countries on two continents. The family name "Kudlek " is used by some 600 people in Poland , about 400 in Germany , and small number of people in the United States. "Kudleck " 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 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.
