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Updated June 9, 2019

Family name origins & meanings

  • Irish (mainly Counties Derry and Antrim) : Anglicized form of Gaelic Mac Leanacháin ‘son of Leanachán’, a personal name derived from leanach, which MacLysaght translates as ‘possessing mantles’ (from leann ‘mantle’, ‘cloak’).
  • Scottish : variant of McClanahan.

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