In Croatia, Černauš families are Croats (from Samobor ). In the past century, relatively most of Croatian residents bearing this family name were born in Samobor and Zagreb.
Prevalence
About 20 people with faimily name Černauš live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number doubled. They are only located in two Croatian cities and 6 other places, mostly in Bobovica (<10), Strmec in Samobor area (<10), Samobor (<5), Farkasevec Samoborski (<5), and in Lug Samoborski (<5).
Outside Croatia
Family name Černauš (including: Chernaus , Cernaus and Chernaush ) is present in five countries.
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.