In Croatia, Tommasini families are Croats (from the Island of Losinj ). In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Losinj and in Rijeka.
Prevalence
Only a few people with faimily name Tommasini live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, two cities and another small place , mostly in Rijeka (<5), Pula (<5), and in Viskovo in Rijeka area (<5).
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.