| Generation 1 - Oscar Bates Smith: Born - 7 Feb 1877 - Tennessee |
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| Generation 1 - Oscar Bates Smith: Buried - - Shiloh Cemetery, Pigeon Forge, Sevier County, Tennessee |
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| Generation 1 - Oscar Bates Smith & Sena Ellen Cutshaw: Married - 7 Mar 1919 - Blount County, Tennessee |
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| Generation 2 - William Harrison Smith: Buried - - Mcmahan Cemetery, Sevier County, Tennessee |
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| Generation 2 - Elizabeth Nancy McMahan: Born - 8 Nov 1856 - Tennessee |
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| Generation 2 - Elizabeth Nancy McMahan: Buried - - Mcmahan Cemetery, Sevier County, Tennessee |
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| Generation 3 - James A. Smith: Born - 15 Mar 1815 - South Carolina |
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| Generation 3 - James A. Smith: Buried - - Mcmahan Cemetery, Sevier County, Tennessee |
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| Generation 3 - Mary Henderson: Born - 20 Mar 1811 - Tennessee |
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| Generation 3 - Mary Henderson: Buried - - Mcmahan Cemetery, Sevier County, Tennessee |
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| Generation 3 - John Calvin McMahan: Born - 19 May 1807 - Washington County, Tennessee |
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| Generation 3 - John Calvin McMahan: Buried - - Shiloh Cemetery, Pigeon Forge, Sevier County, Tennessee |
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| Generation 3 - Dicie W. Ault: Born - 6 Sep 1821 - Tennessee |
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| Generation 3 - Dicie W. Ault: Buried - - Shiloh Cemetery, Pigeon Forge, Sevier County, Tennessee |
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| Generation 4 - William H. Henderson: Born - 11 Feb 1786 - Tennessee |
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| Generation 4 - William H. Henderson: Buried - - Shiloh Cemetery, Pigeon Forge, Sevier County, Tennessee |
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| Generation 4 - Mary Catherine Cannon: Born - 9 Feb 1786 - Tennessee |
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| Generation 4 - Mary Catherine Cannon: Buried - - Shiloh Cemetery, Pigeon Forge, Sevier County, Tennessee |
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| Generation 4 - James Wellington McMahan: Born - Abt 1750/1755 - Dublin, Ireland |
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| Generation 4 - James Wellington McMahan: Died - 16 Sep 1831 - Sevierville, Sevier County, Tennessee |
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| Generation 4 - James Wellington McMahan: Buried - - Sevier County, Tennessee |
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| Generation 4 - James Wellington McMahan & Rachel Calvert: Married - 1 Dec 1788 - , Botetourt, Virginia |
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| Generation 4 - Rachel Calvert: Born - Abt 1760 - England |
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