In Croatia, Jagaš families are Croats (from Ozalj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and in Ozalj area.
Prevalence
About 10 people with faimily name Jagaš live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only four naselja i to in Karlovac (<10), Jarnevici in Ozalj area (<5), Sesvete (<5), and in Ribnik in Ozalj area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.