In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Brac.
Prevalence
Only a few people with faimily name Sabioncelo live in Croatia today, in households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only one small Croatian place, in Nerezisca on the Island of Brac (<5).
Outside Croatia
Family name Sabioncelo (including: Sabioncello , Sabbioncello ) is present in 6 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1928 in source Emigration Commission Zagreb.