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Updated June 9, 2019

Boy name origins & meanings

  • Latin : Rejoice; variation of Gaius

Boy name variations

Family name origins & meanings

  • English : variant of Kay.
  • English (of Norman origin) : habitational name from Guise in Aisne, Picardy, which is first recorded in the 12th century as Gusia; the etymology is uncertain.
  • Irish : Anglicized form of Gaelic Mac Aodha (see McKay).

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