Gaži families are Croats and they are mostly from Koprivnica area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Koprivnica. In Peteranec in Koprivnica area every thirtieth inhabitant had the family name Gaži.
Prevalence
About 90 people with faimily name Gaži live in Croatia today, in 40 households. There were 160 of them in the middle of the past century, and their number decreased by 40 percent. They are only located in in 7 Croatian cities and 6 other places, mostly in Zagreb (45), in Peteranec (35) and Drnje (10) in Koprivnica area, Koprivnica (<10), and in Samobor (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.