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Updated June 9, 2019

Family name origins & meanings

  • French : from an agent derivative of trépan ‘auger’ (Latin trepanum), hence an occupational name for someone who drilled holes in bone or stone, perhaps even someone who practised medical trepanning (of the cranium).
  • Documented as Trépanier and Trépagny, a bearer of the name from Normandy, France, is recorded in Quebec city in 1656.

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