Only a few people with faimily name Bock live in Croatia today, in one household only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in three Croatian cities only: in Ploce (<5), Zrnovo on the Island of Korcula (<5), and in Rovinjsko Selo (<5).
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.