In Croatia, Roob families are predominantly Croats (from Zagreb ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Cazma area. In Novo Selo Garešničko in Cazma area every thirtieth inhabitant had the family name Roob.
Prevalence
Only a few people with faimily name Roob live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Zagreb (<5) and Novo Selo Garesnicko in Cazma area (<5).
Outside Croatia
Family name Roob is present in 21 countries worldwide. The family name "Roob " is used by some 400 people in Germany , about 300 in the United States , and small number of people in Australia , small number of people in Czech Republic.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.
