You may be interested
Absolutely very rare, almost unique, they would seem to be of Slavic origins, they could derive, through dialectal modifications from the Slavic term kosmac (hairy, bearded man).
Buy a heraldic document with your coat of arms
It is possible to do a preliminary research in our archive. About 100,000 heraldic traces, origins of surnames, coat of arms and blazons are available free of charge. Just write the desired last name in the form below and press enter.
Verba Volant, Scripta Manent