In Croatia, Segon families are Croats (from Porec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Rijeka.
Prevalence
Only a few people with faimily name Segon live in Croatia today, in three households only. There were 80 of them in the middle of the past century, and their number decreased significantly. They are located in only two Croatian places: in Rijeka (<5) and Radetici in Pazin area (<5).
Outside Croatia
Family name Segon is present in 19 countries worldwide. "Shegon " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.