In Croatia, Gauss families are Croats (from Sisak ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak.
Prevalence
Only a few people with faimily name Gauss live in Croatia today, in four households only. They are located in two Croatian cities only, in Zagreb (<5) and Sisak (<5).
Outside Croatia
Family name Gauss (including: Gauß , Ghauss ) is present in 49 countries worldwide. The family name "Gauss " is used by some 3000 people in Germany , about 1000 in the United States , and some 800 people in Brazil.
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.