In Croatia, Gunjilac families are Croats (from Ozalj ). In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj.
Prevalence
Only a few people with faimily name Gunjilac live in Croatia today, in two households only. There were 20 of them in the middle of the past century, and their number decreased significantly. They are located in only threee naselja i to in Ozalj (<5), Mali Erjavec (<5), and in Svetice (<5).
Outside Croatia
Family name Gunjilac is present in two countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1930 in source Emigration Commission Zagreb.