Brailo families are mainly Croats and they are mostly from Dubrovnik area , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and in Dubrovnik area. In Močići in Dubrovnik area every fifth inhabitant had the family name Brailo.
Prevalence
About 120 people with faimily name Brailo live in Croatia today, in 60 households. There were 80 of them in the middle of the past century, and their number increased by 60 percent. They are located in 7 Croatian counties, in 7 cities and 10 other places, mostly in Dubrovnik (40), in Mocici (35) and Cavtat (15) in Dubrovnik area, Zagreb (<10), and in Makarska (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.