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Updated June 9, 2019

Family name origins & meanings

  • Czech and Slovak : from a pet form of the personal name Tomáš (see Thomas).
  • Irish : reduced form of O’Toman, an Anglicized form of Gaelic Ó Tuamáin ‘descendant of Tuamán’, a personal name based on a diminutive of tuaim ‘hill’.

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