In Croatia, Reisz families are Croats (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek.
Prevalence
Only a few people with faimily name Reisz live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Osijek (<5), Rijeka (<5), and in Trnava in Nova Gradiska area (<5).
Outside Croatia
Family name Reisz is present in 32 countries worldwide. The family name "Reisz " is used by some 700 people in the United States , about 300 in Hungary , and some 200 people in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.