In Croatia, Rosi families are generally Croats (from Pozega area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pozega area and in Djakovo.
Prevalence
About 20 people with faimily name Rosi live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number decreased by 20 percent. They are only located in four Croatian cities and 5 other places, mostly in Pozega (<10), Slavonski Samac in Zupanja area (<5), in Boricevci (<5) and Orljavac (<5) in Pozega area, and in Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.