In Croatia, Ripp families are Croats by relative majority (from Osijek ), equally Serbs.
Prevalence
Only a few people with faimily name Ripp live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in one Croatian city only, in Osijek (<5).
Outside Croatia
Family name Ripp is present in 26 countries worldwide. The family name "Ripp " is used by some 2000 people in the United States , about 700 in Germany , and some 200 people in France.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.