In Croatia, Firinger families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek.
Prevalence
Only a few people with faimily name Firinger live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in one Croatian city only, in Zagreb (<10).
Outside Croatia
Family name Firinger is present in 7 countries on two continents. The family name "Firinger " is used by few people in the United States. "Führinger " is used by some 100 people in Austria , small number in Germany , and 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.