In Croatia, Vasko families are mainly Croats (from Novska ), equally Ukrainians (also from Novska ). In the past century, relatively most of Croatian residents bearing this family name were born in Novska and Zagreb.
Prevalence
About 10 people with faimily name Vasko live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Novska (<10), Sesvete (<5), Zagreb (<5), and in Lipovljani (<5) and Jasenovac (<5) in Novska area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1929 in source Emigration Commission Zagreb.