In Croatia, Gajger families are Croats (from Novi Marof area ), barely Slovenes (from Slavonski Brod ). In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and Djakovo.
Prevalence
About 60 people with faimily name Gajger live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 30 percent. They are located in 7 Croatian counties, in 8 cities and two other places, mostly in Slavonski Brod (25), Zagreb (15), Djakovo (<10), Daruvar (<10), and in Gornja Brckovcina (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.