3 Apr 1818 - Birth of his wife Abigail Dutton at Sudbury, Middlesex County, Massachusetts, USA 

Abt 1818 - Birth at Sudbury, Middlesex County, Massachusetts, USA 

1 Sep 1839 - Marriage with Abigail Dutton at Sudbury, Middlesex County, Massachusetts, USA 

1841 - Birth of his son Lucian Willis at Waltham, Middlesex County, Massachusetts, USA 

12 May 1880 - Death of his wife Abigail Dutton

9 Oct 1896 - Death of his son Lucian Willis at Harvard, Worcester County, Massachusetts, USA