In Croatia, Rauh families are Croats (from Delnice area ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Delnice. In Iševnica in Delnice every fifth inhabitant had the family name Rauh.
Prevalence
About 20 people with faimily name Rauh live in Croatia today, in 8 households. There were 70 of them in the middle of the past century, and their number decreased significantly. They are located in 7 Croatian counties, in 7 cities and two other places, mostly in Zagreb (<5), Duga Resa (<5), Bjelovar (<5), Pozega (<5), and in Plemenitas (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.