Tadin families are Croats and they are mostly from Kastel Sucurac. According to some sources they are from Kastel Kambelovac. In the past century, relatively most of Croatian residents bearing this family name were born in Split and Kastel Sucurac. In Kaštel Kambelovac in Kastel Sucurac every sixth inhabitant had the family name Tadin.
Prevalence
About 280 people with faimily name Tadin live in Croatia today, in 120 households. There were 190 of them in the middle of the past century, and their number increased by 50 percent. They are located in 7 Croatian counties, in 10 cities and 11 other places, mostly in Kastel Kambelovac (185), Zagreb (25), Split (25), Kastel Gomilica (10), and in Rijeka (<10).
Outside Croatia
Family name Tadin (including: Tahdin , Thadin ) is present in 18 countries worldwide. The family name "Tadin " is used by some 300 people in Indonesia , about 100 in the United States , and small number of people in Brazil.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.