In Croatia, Penco families are mainly Croats (from Umag ), less frequently Italians (also from Umag ). In the past century, relatively most of Croatian residents bearing this family name were born in Umag and Zagreb. In Valica in Umag every fourth inhabitant had the family name Penco.
Prevalence
About 20 people with faimily name Penco live in Croatia today, in 10 households. There were 30 of them in the middle of the past century, and their number decreased by 20 percent. They are located in threee Croatian counties, four cities and threee other places, mostly in Umag (<10), Zagreb (<10), Savudrija (<5), Valica (<5), and in Rijeka (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1927 in source Emigration Commission Zagreb.