Tadej is a male name, in Croatia principally Croatian, but also Albanian and Slovenian. It is one of the relatively common names (among the top two thousand) in Croatia, with over a hundred namesakes living there.
The relative popularity of names Tadej in Croatia
The name Tadej was the most popular from years 2008 to 2012, when about 25% of the persons bearing this name were born. The peak year was 2011. It was the least popular from years 1944 to 1981.
Prevalence
Name Tadej is relatively more common in the north of the country. Most of the persons named Tadej live in the following cities and municipalities: Zagreb (less than twenty), Osijek (less than ten), Voćin (less than ten).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.