About 20 people with faimily name Gallo live in Croatia today, in 7 households. There were 60 of them in the middle of the past century, and their number decreased significantly. They are located in 6 Croatian counties, in 6 cities and threee other places, mostly in Pula (<10), Rijeka (<10), Rovinj (<5), Suza in Beli Manastir area (<5), and in Jurovcak in Mursko Sredisce area (<5).
Outside Croatia
At least two families with this surname emigrated from Croatia to the United States (1) and Australia (1). Family name Gallo (including: Galloo , Galllo and Galló ) is present in 107 countries worldwide. "Galloo " is used by some 200 people in France , about 90 in Belgium , and 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 1929 in source Emigration Commission Zagreb.