Jantoš families are Croats and they are mostly from Orahovica area. In the past century, relatively most of Croatian residents bearing this family name were born in Orahovica area and in Orahovica. In Zokov Gaj in Orahovica area every tenth inhabitant had the family name Jantoš.
Prevalence
About 60 people with faimily name Jantoš live in Croatia today, in 30 households. There were 40 of them in the middle of the past century, and their number increased by 80 percent. They are located in four Croatian counties and 8 other places, mostly in Boksic in Nasice area (20), Donji Miholjac (15), Djurdjenovac in Nasice area (<10), and in Zokov Gaj (<10) and Fericanci (<10) in Orahovica area.
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.