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THE GROTON AVERY CLAN, Vol. I, by Elroy McKendree Avery and Catherine Hitchcock (Tilden) Avery, Cleveland, 1912. p. 632
<references />63044615:accessed 12 October 2018), memorial page for Mary “Polly” Billings Williams (1762–16 Jan 1839),citing Elm Grove Cemetery, Mystic, New London County, Connecticut, USA ; Maintained by Jeff Zinsli (contributor 46827392) .
1762 |
1762
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Stonington, New London County, Connecticut Colony
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1788 |
March 28, 1788
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1789 |
October 28, 1789
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Stonington, New London County, Connecticut, United States
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1791 |
July 30, 1791
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Stonington, New London County, Connecticut, United States
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1794 |
March 2, 1794
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Stonington, New London County, Connecticut, United States
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1797 |
January 29, 1797
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Stonington, New London County, Connecticut, United States
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1798 |
March 4, 1798
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1799 |
March 28, 1799
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1801 |
March 26, 1801
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