In Croatia, Rudolfi families are predominantly Croats (from Split ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Split.
Prevalence
Only a few people with faimily name Rudolfi live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in two Croatian cities only, in Split (<10) and Zagreb (<5).
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.