In Croatia, Defranceschi families are predominantly Croats (from Pazin area ), rarely Italians (also from Pazin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pazin area and in Pula.
Prevalence
About 10 people with faimily name Defranceschi live in Croatia today, in 8 households. There were 50 of them in the middle of the past century, and their number decreased significantly. They are located in threee Croatian counties, threee cities and another small place , mostly in Pula (<10), Zagreb (<5), Rijeka (<5), and in Barban in Labin area (<5).
Outside Croatia
At least four families with this surname emigrated from Croatia to the United States (3) and Germany (1). Family name Defranceschi is present in 16 countries worldwide. The family name "Defranceschi " is used by some 300 people in Italy , about 100 in the United States , and some 60 people in France.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1935 in source Faculty of Humanities University of Zagreb Alumni.