In Croatia, Baier families are Croats (from Novska ). In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and Novska.
Prevalence
About 10 people with faimily name Baier live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Novska (<10), Dubrovnik (<5), Vukovar (<5), Sukosan in Zadar area (<5), and in Mokosica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.