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Last name origins & meanings:

  1. Spanish and Portuguese: from Spanish and Portuguese amor ‘love’, used to denote an illegitimate child, also as a nickname for a philanderer.
  2. Spanish, Portuguese, and English: from the medieval personal name Amor (Latin amor ‘love’), which was popular in Spain, Italy, and France, and introduced into England by the Normans. There was a St. Amor, of obscure history and unknown date, whose relics were preserved and venerated at the village of St. Amour in Burgundy.