Colnar families are Croats and they are mostly from Rijeka area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Karlovac. In Donji Šehovac in Vrbovsko area every second inhabitant had the family name Colnar.
Prevalence
About 110 people with faimily name Colnar live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number decreased by 10 percent. They are located in four Croatian counties, in 6 cities and 17 other places, mostly in Karlovac (20), Podkilavac in Rijeka area (20), Delnice (15), Rijeka (15), and in Zagreb (<10).
Outside Croatia
At least four families with this surname emigrated from Croatia to the United States (3) and Austria (1). Family name Colnar is present in 10 countries on three continents. The family name "Colnar " is used by some 70 people in the United States and small number in Canada. "Zolnar " 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 over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.