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Last name origins & meanings:

  1. English: nickname from Middle English cr(o)us(e) ‘bold’, ‘fierce’.
  2. English (of Norman origin): habitational name from a place in France, perhaps Cruys-Staëte in Nord, apparently named with a Gaulish word crodiu ‘hard’.
  3. German: northern variant of Krause.
  4. Americanized spelling of German Kruse.