In Croatia, Duišin families are generally Croats (from Kastel Sucurac ), barely Slovaks (also from Kastel Sucurac ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Split and Kastel Sucurac.
Prevalence
About 50 people with faimily name Duišin live in Croatia today, in 17 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, four cities and threee other places, mostly in Kastel Stari (15), Kastel Novi (10), Split (<10), Rijeka (<10), and in Kastel Luksic (<10).
Outside Croatia
Family name Duišin is present in two countries on two continents. The family name "Duisin " is used by small number of people in the United States.
