In Croatia, Marshall families are Croats (from Krizevci ).
Prevalence
Only a few people with faimily name Marshall live in Croatia today, in one household only. They are located in three Croatian cities only: in Zagreb (<5), Split (<5), and in Krizevci (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.