In Croatia, Šilac families are Croats (from Djakovo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Djakovo area.
Prevalence
About 20 people with faimily name Šilac live in Croatia today, in 9 households. There were 70 of them in the middle of the past century, and their number decreased significantly. They are located in threee Croatian counties, four cities and threee other places, mostly in Djakovo (<10), Cepin in Osijek area (<5), Tenja (<5), Prelog (<5), and in Bracevci in Djakovo area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.