In Croatia, Rusgnach families are predominantly Croats (from Pula ), rarely Italians (also from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Buzet.
Prevalence
About 10 people with faimily name Rusgnach 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 two Croatian cities only, in Pula (<10) and Crikvenica (<5).
Outside Croatia
Family name Rusgnach is present in two countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.