12 Sep 1779 - Birth at Hanover, Grafton County, New Hampshire, USA 

10 Apr 1795 - (15 years) Birth of his wife Amelia Dutton at Alstead, Cheshire County, New Hampshire, USA 

4 Mar 1816 - (36 years) Marriage with Amelia Dutton at Berlin, Washington County, Vermont, USA 

31 Mar 1817 - (37 years) Birth of his son Silas Dewey at Berlin, Washington County, Vermont, USA 

06 Apr 1817 - (37 years) Death of his son Silas Dewey at Berlin, Washington County, Vermont, USA 

Apr 1817 - (37 years) Burial of his son Silas Dewey at Dewey-Wright Cemetery, Berlin, Washington County, Vermont, USA 

19 Aug 1818 - (38 years) Birth of his daughter Harriet Dewey at Berlin, Washington County, Vermont, USA 

16 Jan 1822 - (42 years) Birth of his son Henry Dewey at Berlin, Washington County, Vermont, USA 

10 Sep 1823 - (43 years) Death of his son Henry Dewey at Berlin, Washington County, Vermont, USA 

Sep 1823 - (44 years) Burial of his son Henry Dewey at Dewey-Wright Cemetery, Berlin, Washington County, Vermont, USA 

22 Jan 1825 - (45 years) Birth of his daughter Zilpha Dewey at Montpelier, Washington County, Vermont, USA 

28 Apr 1832 - (52 years) Birth of his son Henry Dewey at Berlin, Washington County, Vermont, USA 

29 Sep 1864 - (85 years) Death of his son Henry Dewey

03 Oct 1875 - (96 years) Death at Berlin, Washington County, Vermont, USA 

Oct 1875 - (96 years) Burial

30 Sep 1881 - Death of his wife Amelia Dutton at Waitsfield, Washington County, Vermont, USA 

Oct 1881 - Burial of his wife Amelia Dutton at Waitsfield Village Cemetery, Waitsfield, Washington County, Vermont, USA 

31 Oct 1894 - Death of his daughter Zilpha Dewey at Barre, Washington County, Vermont, USA 

Nov 1894 - Burial of his daughter Zilpha Dewey

17 Feb 1902 - Death of his daughter Harriet Dewey at Barre, Washington County, Vermont, USA 

Feb 1902 - Burial of his daughter Harriet Dewey