In Croatia, Baumann families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 10 people with faimily name Baumann live in Croatia today, in 7 households. They are located in three Croatian cities only: in Zagreb (<10), Rijeka (<5), and in Bjelovar (<5).
Outside Croatia
Family name Baumann is present in 103 countries worldwide. The family name "Baumann " is used by some 50000 people in Germany , about 20000 in the United States , and some 7000 people in Switzerland.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1923 in source Emigration Commission Zagreb.