In Croatia, Hađur families are almost entirely Croats (from Ozalj ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Ozalj.
Prevalence
About 50 people with faimily name Hađur live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 10 percent. They are located in four Croatian counties and 6 other places, mostly in Zagreb (25), Vrhovacki Sopot (<10), Skaljevica (<10), Novaki Scitarjevski (<5), and in Sesvete (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.