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Last name origins & meanings:

  1. Irish: Anglicized form of Gaelic Ó Mocháin (see Mohan).
  2. English (of Norman origin): habitational name from Moyon in La Manche, named from the Gallo-Roman personal name Modius (from Latin modus ‘measure’) + the locative suffix -o (genitive -onis).
  3. English: nickname from Anglo-Norman French moun ‘monk’ (see Monk).
  4. Cornish: nickname for a slender person, from Cornish mon ‘thin’.
  5. Korean: variant of Mun.

Famous people with this last name: Keith Moon

This name appears in the following lists: Stars and Planets