27 Jan 1747 - Birth of his biological father Samuel Hoar at Littleton, Middlesex County, Massachusetts, USA 

3 May 1755 - Birth of his biological mother Rebeckah Dutton at Westford, Middlesex County, Massachusetts, USA 

9 Jan 1781 - Birth at Hardwick, Caledonia County, Vermont, USA 

15 Feb 1825 - Death of his biological father Samuel Hoar

Feb 1825 - Burial of his biological father Samuel Hoar at Westlawn Cemetery, Littleton, Middlesex County, Massachusetts, USA 

9 Jul 1832 - Death of his biological mother Rebeckah Dutton at Littleton, Middlesex County, Massachusetts, USA 

Jul 1832 - Burial of his biological mother Rebeckah Dutton at Westlawn Cemetery, Littleton, Middlesex County, Massachusetts, USA