12 Sep 1734 - Birth of his biological father Samuel Lawrence at Groton, Middlesex County, Massachusetts, USA 

24 Jun 1735 - Birth of his biological mother Mary Avery at Townsend, Middlesex County, Massachusetts, USA 

19 Oct 1756 - Birth at Groton, Middlesex County, Massachusetts, USA 

1756 - Birth of his wife Anna Hodgman at Concord, Middlesex County, Massachusetts, USA 

30 May 1757 - Marriage of parents at Townsend, Middlesex County, Massachusetts, USA 

1778 - (21 years) Marriage with Anna Hodgman at Massachusetts, USA 

20 Jul 1799 - (42 years) Death of his biological mother Mary Avery at Hollis, Hillsborough County, New Hampshire, USA 

Jul 1799 - (42 years) Burial of his biological mother Mary Avery at Old Burying Ground Cemetery, Framingham, Middlesex County, Massachusetts, USA 

Aft 1800 - Death of his biological father Samuel Lawrence at Townsend, Middlesex County, Massachusetts, USA 

1818 - (61 years) Death at Pompey, Onondaga County, Massachusetts, USA 

1826 - Death of his wife Anna Hodgman at Manhattan, New York City, New York, USA