1729 - Birth of his biological father John Barnhill at County Antrim, Ireland 

1729 - Birth of his biological mother Sarah Craig at Philadelphia, Philadelphia County, Pennsylvania, USA 

Dec 1750 - Marriage of parents at Philadelphia, Philadelphia County, Pennsylvania, USA 

31 Jul 1754 - Birth at Philadelphia, Philadelphia County, Pennsylvania, USA 

27 Jan 1758 - (3 years) Birth of his wife Elizabeth Potts at Montgomery Township, Philadelphia County, Pennsylvania, USA 

22 Sep 1778 - (24 years) Marriage with Elizabeth Potts at Philadelphia, Philadelphia County, Pennsylvania, USA 

27 Feb 1797 - (42 years) Death of his biological father John Barnhill at Philadelphia, Philadelphia County, Pennsylvania, USA 

1797 - (42 years) Burial of his biological father John Barnhill at Center Church Cemetery, Pine Township, Mercer County, Pennsylvania, USA 

13 Dec 1799 - (45 years) Birth of his daughter Margaret Barnhill at Philadelphia, Philadelphia County, Pennsylvania, USA 

20 Aug 1807 - (53 years) Death of his wife Elizabeth Potts at Philadelphia, Philadelphia County, Pennsylvania, USA 

Aug 1807 - (53 years) Burial of his wife Elizabeth Potts at Philadelphia, Philadelphia County, Pennsylvania, USA 

12 Aug 1814 - (60 years) Death at Philadelphia, Philadelphia County, Pennsylvania, USA 

Aug 1814 - (60 years) Burial at Philadelphia, Philadelphia County, Pennsylvania, USA 

29 May 1820 - Death of his biological mother Sarah Craig at Philadelphia, Philadelphia County, Pennsylvania, USA 

May 1820 - Burial of his biological mother Sarah Craig at Second Presbyterian Church Cemetery (Defunct), Philadelphia, Philadelphia County, Pennsylvania, USA 

23 Jan 1861 - Death of his daughter Margaret Barnhill at Oyster Bay, Nassau County, New York, USA 

26 Jan 1861 - Burial of his daughter Margaret Barnhill at Green-Wood Cemetery, Brooklyn, Kings County, New York, USA