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Oneil Family History

Oneil Genealogy & Family Tree

O'Neil is an Irish name from County Tyrone, Ireland. It comes from the Gaelic given name Niall which means "champion." The earliest known ancestor--Donell O Neill--was recorded in 1000. The family motto is Semper proesto patrice servire which means "I am ever ready to serve my country."

Other spellings include "O'Neill," "O'Nail," and "O'Niel." Notable people with the surname include American playwright Eugene O'Neill (Bread and Butter, Beyond the Horizon, The Hairy Ape), American illustrator Rose O'Neill (Kewpies), and American actor Ed O'Neill (Modern Family, Married...with Children, The Bone Collector). The first O'Neil to come to America was Arthur O'Neil in Pennsylvania in 1840.

Oneil Birth Records
  • Name Birth Date Death Date Location
  • Earnest Theodore ONeil -- --, 1857 December 0, 1898 South Carolina
  • Barnett ONeil -- --, 1760 December 0, 1779 Pennsylvania
  • Margaret Oneil -- --, 1787 December 0, 1864 Florida
  • Margaret ONeil -- --, 1726 August 21, 1765 Virginia
  • James Oneil -- --, 112436 December 0, 61801 New York
Oneil Death Records
  • Name Birth Date Death Date Location
  • Alvah Alexander ONeil -- --, 1881 March 14, 1954 Utah
  • Barnet ONeil -- --, 1846 September 15, 1896 Pennsylvania
  • Anna Oneil -- --, 1895 December 0, 1979 Maryland
  • Lida EMPTYNUL ONeil -- --, 1870 January 0, 1905 Emptynul
  • Etta EMPTYNUL Oneil -- --, 1867   Ontario
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