In Croatia, Peternell families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Peternell live in Croatia today, in two households only. They are located in one Croatian city only, in Zagreb (<5).
Outside Croatia
Family name Peternell is present in 11 countries on four continents. The family name "Peternell " is used by some 300 people in the United States , about 100 in Austria , and some 100 people in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.