In Croatia, Tolnaj families are Croats (from Nasice area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nasice area and in Tuzla Region, Bosnia (Tuzla area).
Prevalence
About 30 people with faimily name Tolnaj live in Croatia today, in 15 households. There were 10 of them in the middle of the past century, and their number tripled. They are located in 7 Croatian counties, in 6 cities and four other places, mostly in Djurdjenovac in Nasice area (10), Bjelovar (<10), Krizevci (<10), Zagreb (<5), and in Djurdjevac (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.