Tomac families are Croats and they are mostly from Delnice. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Delnice. In places Razloge and Zalesina in Delnice every second inhabitant had the family name Tomac.
Prevalence
About 1200 people with faimily name Tomac live in Croatia today, in 520 households. There were 1400 of them in the middle of the past century, and their number decreased by 10 percent. They are located in almost all Croatian counties, in 57 cities and 131 other places, mostly in Zagreb (145), Delnice (110), Rijeka (100), Donji Kosinj in Gospic area (50), and in Donja Moticina in Nasice area (50).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1736 in source Catholic Church Parish Records.