In Croatia, Jauch families are Germans (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek.
Prevalence
Only a few people with faimily name Jauch live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two naselja i to in Ceminac in Beli Manastir area (<10) and Lug in Osijek area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.