In Croatia, Feiss families are predominantly Croats (from Zagreb ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Feiss live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in one Croatian city only, in Zagreb (<10).
Outside Croatia
Family name Feiss is present in 11 countries on four continents. The family name "Feiss " is used by some 300 people in the United States , about 70 in France , and small number of people in Germany. "Pheiss " is used by few people in the United States.