In Croatia, Simonetti families are predominantly Croats (from Novigrad area ), rarely Italians (also from Novigrad area ), and very rarely Czechs (from Porec ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and in Novigrad area. In Tadini in Novigrad area every fifth inhabitant had the family name Simonetti.
Prevalence
About 30 people with faimily name Simonetti live in Croatia today, in 14 households. There were 20 of them in the middle of the past century, and their number increased by 50 percent. They are located in threee Croatian counties, threee cities and 8 other places, mostly in Porec (<10), Rijeka (<10), and in Babici (<10), Kastelir (<10) and Rojci (<5) in Novigrad area.
Outside Croatia
At least eight families with this surname emigrated from Croatia to the United States (7) and France (1). Family name Simonetti is present in 56 countries worldwide. "Simonetty " is used by some 80 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.