Tolo families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Kresevo area) and in East Herzegovina (Gacko area). In places Mratinići and Polje Šćitovo in Middle Bosnia every fourth inhabitant had the family name Tolo.
Prevalence
About 110 people with faimily name Tolo live in Croatia today, in 50 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 16 cities and 16 other places, mostly in Split (15), Rijeka (10), Imotski (10), Stobrec (<10), and in Suhopolje in Virovitica area (<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.