Szczekacz- A Surname

The source of  our family name Kaluzynski is explained in  "A Dictionary of Jewish Surnames From the Kingdom of Poland" by Alexander Beider:

The following information is derived from the book.

Szczekacz –

The area where the surname occurred were in the following Polish towns: Sieradz, Wieluń, Warsaw, common in Czestochowa.

The name is an artificial surname. It is derived from the Polish word for barker, as a dog.