In Croatia, Barbara families are generally Serbs, rarely Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja and Sisak. In Gornja Pastuša in Petrinja every seventh inhabitant had the family name Barbara.
Prevalence
About 10 people with faimily name Barbara live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, threee cities and threee other places, mostly in Zagreb (<5), Gornja Pastusa (<5), Otok in Vinkovci area (<5), Ivanja Reka (<5), and in Jarce Polje in Duga Resa area (<5).
Outside Croatia
Family name Barbara (including: Bárbara , Barbarah and Barbarra ) is present in 109 countries worldwide. The family name "Barbara " is used by some 50000 people in Brazil , about 30000 in the United States , and some 20000 people in Poland.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.