Naughton, ó Neachtáin A Gaelic surname derived from the personal name Neachtan (or Nechan) meaning ‘descendant of the waters’. A sept of the Dál gCais, of the same stock as Quinn and Hartigan. A sept of the Uí Mhaine who were chiefs of Maonmhagh, the plain lying around Loughrea (in Galway), until the Cambro-Norman invasion. when they removed to the Fews of Athlone. There is also a Scottish surname MacNauchtan. In 1890 Naughton was principally found in Galway, Mayo, Roscommon and Clare, and the estimated number of bearers was 3,180 (including variants). In the United States it is the 8,451st most numerous surname with an estimated 2,750 bearers.
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