In Croatia, Ukmar families are predominantly Croats (from Lepoglava area ), very rarely Macedonians (from Zagreb ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Zagreb.
Prevalence
About 20 people with faimily name Ukmar live in Croatia today, in 11 households. There were 40 of them in the middle of the past century, and their number halved. They are located in 6 Croatian counties, in 6 cities and another small place , mostly in Zagreb (<10), Osijek (<10), Rijeka (<5), Pula (<5), and in Daruvar (<5).
Outside Croatia
Family name Ukmar is present in 18 countries worldwide.
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.