In Croatia, Pajer families are generally Croats (from Daruvar area ), very rarely Czechs, and . In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Daruvar area.
Prevalence
About 20 people with faimily name Pajer live in Croatia today, in 14 households. There were 60 of them in the middle of the past century, and their number decreased significantly. They are located in four Croatian counties, threee cities and two other places, mostly in Rijeka (<10), Zagreb (<10), Daruvar (<10), Popovaca in Kutina area (<5), and in Dezanovac in Daruvar area (<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.