In Croatia, Parazajder families are Croats (from Jastrebarsko ). In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko and Karlovac. In Srednjak in Jastrebarsko every fourth inhabitant had the family name Parazajder.
Prevalence
About 40 people with faimily name Parazajder live in Croatia today, in 15 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, four cities and two other places, mostly in Zagreb (15), Karlovac (<10), Jastrebarsko (<10), Miladini (<5), and in Srednjak (<5).
Outside Croatia
Family name Parazajder is present in three countries on two continents. "Parazaider " 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 2007 in source Encyclopaedia of Croatian Surnames.