Hajnal families are often Croats and they are mostly from Slatina , rarely Hungarians and Rusyns (from Vukovar ). In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and Slavonski Brod.
Prevalence
About 110 people with faimily name Hajnal live in Croatia today, in 50 households. There were 80 of them in the middle of the past century, and their number increased by 30 percent. They are located in the most of Croatian counties, in 11 cities and 9 other places, mostly in Osijek (15), Zagreb (15), Slavonski Brod (15), Vukovar (10), and in Zdenci in Orahovica area (10).
Outside Croatia
Family name Hajnal (including: Haynal , Hainal and Heinal ) is present in 35 countries worldwide. "Haynal " is used by some 200 people in the United States , about 90 in Brazil , and small number of people in Romania.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.