8 Feb 1691 - Birth of his biological father John Adams at Braintree, Norfolk County, Massachusetts, USA 

5 Mar 1708 - Birth of his biological mother Susannah Boylston at Brookline, Norfolk County, Massachusetts, USA 

23 Nov 1734 - Marriage of parents at Brookline, Norfolk County, Massachusetts, USA 

30 Oct 1735 - Birth at Braintree, Norfolk County, Massachusetts, USA 

22 Nov 1744 - (9 years) Birth of his wife Abigail Smith at Weymouth, Norfolk County, Massachusetts, USA 

25 May 1761 - (25 years) Death of his biological father John Adams at Braintree, Norfolk County, Massachusetts, USA 

May 1761 - (25 years) Burial of his biological father John Adams at Hancock Cemetery, Quincy, Norfolk County, Massachusetts, USA 

25 Oct 1764 - (28 years) Marriage with Abigail Smith at Weymouth, Norfolk County, Massachusetts, USA 

11 Jul 1767 - (31 years) Birth of his son John Adams at Braintree, Norfolk County, Massachusetts, USA 

17 Apr 1797 - (61 years) Death of his biological mother Susannah Boylston at Quincy, Norfolk County, Massachusetts, USA 

18 Apr 1797 - (61 years) Burial of his biological mother Susannah Boylston at Hancock Cemetery, Quincy, Norfolk County, Massachusetts, USA 

28 Oct 1818 - (82 years) Death of his wife Abigail Smith at Quincy, Norfolk County, Massachusetts, USA 

Oct 1818 - (82 years) Burial of his wife Abigail Smith at United First Parish Church Cemetery, Quincy, Norfolk County, Massachusetts, USA 

4 Jul 1826 - (90 years) Death at Quincy, Norfolk County, Massachusetts, USA 

10 Jul 1826 - Burial at United First Parish Church Cemetery, Quincy, Norfolk County, Massachusetts, USA 

23 Feb 1848 - Death of his son John Adams at Washington, District of Columbia, Disctrict of Columbia, USA 

Feb 1848 - Burial of his son John Adams at United First Parish Church Cemetery, Quincy, Norfolk County, Massachusetts, USA