In Croatia, Susnich families are generally Croats (from Pula ), very rarely Italians (also from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula.
Prevalence
About 10 people with faimily name Susnich live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Pula (15), Njivice on the Island of Krk (<5), and in Mavrinci in Rijeka area (<5).
Outside Croatia
Family name Susnich is present in two countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.