Sylvester married Ellen Maria Haile on 13 Dec 1854 in Hinsdale,Cheshire,New Hampshire, USA. Ellen (daughter of Governor William Haile and Sebrina Shaw Walker) was born on 12 Sep 1831 in Chesterfield,Cheshire,New Hampshire, USA; died on 14 Feb 1861 in Hinsdale,Cheshire,New Hampshire, USA; was buried in Pine Grove Cemetery,Hinsdale,Cheshire,New Hampshire, USA. [Group Sheet] [Family Chart]

1. Gertrude Ellen Davenport was born on 3 May 1856 in Hinsdale,Cheshire,New Hampshire, USA; died on 6 Oct 1916 in Arlington,Middlesex, Massachusetts, USA; was buried in Mount Pleasant Cemetery,Arlington,Middlesex, Massachusetts, USA.