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Updated June 9, 2019

Family name origins & meanings

  • Italian : metonymic occupational name for a treasurer or person in charge of financial administration, from Old Italian tesoro ‘treasure’, ‘treasury’ (Latin thesaurus ‘hoard’).
  • Spanish : from tesoro ‘treasure’ (Latin thesaurus), possibly applied as a metonymic occupational name for a treasurer or in some cases as a habitational name from El Tesoro in southern Spain.

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