What We Know About the Kossak Surname

Whether you spell it Kossak or Kosak, the story begins in the same place. The name is usually explained as “Cossack”.

Heraldry and the Kossak name

Looking for a Kossak coat of arms? Arms were granted to families, not to surnames, and our research shows which heraldic tradition fits yours.

Spelling and variants

Kossak adds “s” to Kosak, a small change that crept in as the name was written down. Other spellings include Kosok, Kosáková and Kosakowa.

The 2010 US Census counted 250 people named Kossak, ranking it number 76,768 among American surnames. Get the complete Kossak report, with a museum-style coat of arms.