In Croatia, Ruppe families are Croats (from Vrbovsko area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovsko area and in Zagreb. In Podstene in Vrbovsko area every fifth inhabitant had the family name Ruppe.
Prevalence
About 10 people with faimily name Ruppe live in Croatia today, in five households only. They are located in only four naselja i to in Zagreb (<5), Belisce (<5), Skrad in Delnice area (<5), and in Pinezici on the Island of Krk (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.