In Croatia, Kaminskyy families are Ukrainians (from Rijeka ).
Prevalence
Only a few people with faimily name Kaminskyy live in Croatia today, in one household only. They are located in one Croatian city only, in Rijeka (<5).
Outside Croatia
Family name Kaminskyy is present in 8 countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1923 in source Emigration Commission Zagreb.