Knaus families are Croats and they are mostly from Delnice. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Rijeka. In Zakrajc Brodski in Delnice area every fifth inhabitant had the family name Knaus.
Prevalence
About 100 people with faimily name Knaus live in Croatia today, in 50 households. There were 130 of them in the middle of the past century, and their number decreased by 30 percent. They are located in the most of Croatian counties, in 12 cities and 19 other places, mostly in Crni Lug (20), Zagreb (15), Resetari in Nova Gradiska area (15), Veliko Korenovo (<10), and in Rijeka (<10).
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.