In Croatia, Millevoi families are Croats (from Labin ).
Prevalence
Only a few people with faimily name Millevoi live in Croatia today, in one household only. There were 40 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Presika (<5).
Outside Croatia
At least seven families with this surname emigrated from Croatia to the United States (6) and France (1). Family name Millevoi is present in 10 countries on three continents. The family name "Millevoi " is used by some 200 people in Italy , about 100 in the United States , and small number of people in Australia.
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.