In Croatia, Tućan families are Croats (from Zagreb ).
Prevalence
Only a few people with faimily name Tućan live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only two Croatian places: in Gornja Petricka in Bjelovar area (<5) and Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.