Šepec families are Croats and they are mostly from Ivanic-Grad. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Ivanic-Grad. In Šemovec Breški in Ivanic-Grad every ninth inhabitant had the family name Šepec.
Prevalence
About 110 people with faimily name Šepec live in Croatia today, in 50 households. There were 200 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 9 Croatian counties, in 11 cities and 8 other places, mostly in Zagreb (40), Vinkovci (10), Klostar Ivanic in Ivanic-Grad area (<10), Posavski Bregi (<10), and in Koprivnica (<10).
Outside Croatia
Family name Šepec (including: Sepec , Sepez ) is present in five countries on two continents. "Sepez " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.