23 Aug 1774 - Birth of his biological father DARTT at Gilsum, Cheshire County, New Hampshire, USA 

22 Sep 1781 - Birth of his biological mother Parthinia OLCOTT at Rockingham, Windham County,Vermont, USA 

11 Feb 1802 - Marriage of parents at Rockingham, Windham County, Vermont, USA 

1805 - Birth at Weathersfield, Windsor County, Vermont, USA 

1807 - (2 years) Death of his biological father DARTT

14 Apr 1841 - (36 years) Birth of his daughter Harriet Dartt at Bethel, Windsor County, Vermont, USA 

24 Feb 1870 - (65 years) Death of his biological mother Parthinia OLCOTT at Royalton, Windsor County, Vermont, USA 

Feb 1870 - (65 years) Burial of his biological mother Parthinia OLCOTT at Plains Cemetery, Weathersfield, Windsor County, Vermont, USA 

10 Feb 1879 - (74 years) Death at Bethel, Windsor County, Vermont, USA 

12 Jul 1906 - Death of his daughter Harriet Dartt at Bethel, Windsor County, Vermont, USA 

Jul 1906 - Burial of his daughter Harriet Dartt