In Croatia, Tisai families are predominantly Croats (from Osijek area ), rarely Hungarians (also from Osijek area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek area and in Prelog area.
Prevalence
About 10 people with faimily name Tisai live in Croatia today, in three households only. They are located in only threee naselja i to in Mece in Osijek area (<5), Osijek (<5), and in Darda in Osijek area (<5).
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.