Isak is a male name, in Croatia largely Croatian, but also Albanian, Muslim and Serbian. It is one of the relatively common names (among the top two thousand) in Croatia, with about one hundred namesakes living there.
The relative popularity of names Isak in Croatia
The name Isak was the most popular from years 1925 to 1934. The peak year was 1930.
Prevalence
Name Isak is present mainly in North-West Croatia, and scarcely in Dalmatia. Most of the persons named Isak live in the following cities and municipalities: Zagreb (less than twenty), Rijeka (less than ten), Pula (less than ten).
Name Isak around the globe
See the countries where name Isak is common, frequency and prevalence at mondonomo.ai
Mentions in sources
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.