In Croatia, Bonicioli families are Croats (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Sibenik.
Prevalence
About 10 people with faimily name Bonicioli live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, four cities and two other places, mostly in Rijeka (<10), Marinici in Rijeka area (<5), Zadar (<5), Rovinj (<5), and in Ist (<5).
Outside Croatia
Family name Bonicioli (including: Boniciolli , Bonizioli ) is present in 7 countries on four continents. The family name "Bonicioli " is used by some 60 people in Chile , small number in the United States , and small number of people in Italy.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.