Severinac families are Croats and they are mostly from Jastrebarsko. In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko and Zagreb. In Toplice in Jastrebarsko every fifth inhabitant had the family name Severinac.
Prevalence
About 100 people with faimily name Severinac live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number increased by 30 percent. They are located in threee Croatian counties, four cities and 10 other places, mostly in Jastrebarsko (30), Zagreb (25), Toplice (15), Brezari (<10), and in Bukovac Svetojanski (<10).
Outside Croatia
Family name Severinac is present in three countries on two continents.
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.