Klotz Family History
Klotz Name Meaning
German: nickname for a clumsy awkward man from Middle High German klotz ‘lump block’. Compare Klutts and Kluttz . Jewish (Ashkenazic): cognate of 1 above from German Klotz ‘lump block’ or Yiddish klots.
Source: Dictionary of American Family Names 2nd edition, 2022