In Croatia, Osivnik families are Croats (from Zlatar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg and Cabar.
Prevalence
About 10 people with faimily name Osivnik live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee Croatian places: in Mali Bukovec in Zlatar area (<10), Mali Bukovec in Ludbreg area (<10), and in Zagreb (<5).
Outside Croatia
Family name Osivnik is present in three countries on two continents. The family name "Osivnik " is used by small number of people in the United States.