31 Aug 1767 - Birth of his biological father Billings Walker at Brookfield, Worcester County, Massachusetts, USA 

3 Jul 1778 - Birth of his biological mother Hannah Proctor at Westford, Middlesex County, Massachusetts, USA 

20 Jun 1813 - Birth at Hinesburg, Chittenden County, Vermont, USA 

22 May 1852 - (38 years) Death of his biological father Billings Walker at Farmersville, Cattaraugus County, New York, USA 

16 Dec 1863 - (50 years) Death of his biological mother Hannah Proctor at Rushford, Allegheny County, New Jersey, USA 

13 Oct 1889 - (76 years) Death at Perry, Wyoming County, New York, USA