Prvonožec families are Croats and they are mostly from Velika Gorica. In the past century, relatively most of Croatian residents bearing this family name were born in Velika Gorica and Zagreb. In Prvonožina in Velika Gorica every second inhabitant had the family name Prvonožec.
Prevalence
About 70 people with faimily name Prvonožec live in Croatia today, in 20 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in four Croatian counties, threee cities and 9 other places, mostly in Velika Gorica (20), Prvonozina (20), Tisina Kaptolska in Sisak area (10), Zagreb (<10), and in Vukomeric (<10).
Outside Croatia
Family name Prvonožec is present in this form only in Croatia.
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.