In Croatia, Gross families are Croats (from Zlatar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pakrac.
Prevalence
About 50 people with faimily name Gross live in Croatia today, in 30 households. There were 30 of them in the middle of the past century, and their number increased by 70 percent. They are located in 8 Croatian counties, in 9 cities and threee other places, mostly in Zagreb (30), Samobor (<10), Osijek (<5), Karlovac (<5), and in Djakovo (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.