Family name origins & meanings
- Germanized or Americanized spelling of Polish Kozłów (see Kozlow) or of a Sorbian cognate.
- Jewish (eastern Ashkenazic) : habitational name from a place called Kozlovo or Kozly in eastern Galicia, now in Belarus (German name Kossow, Polish Kozlów), named with kozioł ‘he-goat’.