Only a few people with faimily name Kovacevich live in Croatia today, in households. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in one Croatian city only, in Rijeka (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over three hundred times, the first time 1691 in source Catholic Church Parish Records.