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Surname meaning for Moon
Irish: Anglicized form of Gaelic Ó Mocháin (see Mohan). 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). English: nickname from Anglo-Norman French moun ‘monk’ (see Monk). Cornish: nickname for a slender person, from Cornish mon ‘thin’. Korean: variant of Mun.