Rudan families are often Croats and they are mostly from the Island of Hvar , less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Karlovac. In Rudani in Pazin area every second inhabitant had the family name Rudan.
Prevalence
About 570 people with faimily name Rudan live in Croatia today, in 240 households. There were 640 of them in the middle of the past century, and their number decreased by 10 percent. They are located in the most of Croatian counties, in 34 cities and 51 other places, mostly in Rudani in Pazin area (70), Zagreb (65), Split (35), Pula (35), and in Sibenik (30).
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.