Bajlo families are Croats and they are mostly from Zadar. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and in Zlatar area.
Prevalence
About 360 people with faimily name Bajlo live in Croatia today, in 150 households. There were 330 of them in the middle of the past century, and their number increased by 10 percent. They are located in 8 Croatian counties, in 10 cities and 9 other places, mostly in Zadar (340), Zagreb (30), Pula (<10), Opatija (<5), and in Split (<5).
Outside Croatia
At least three families with this surname emigrated from Croatia to Australia (2) and the United States (1). Family name Bajlo (including: Bailo , Baylo , Beillo and Beihlo ) is present in 59 countries worldwide. The family name "Bajlo " is used by small number of people in Italy , small number in Sweden , and small number 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.