William married Cynthia J. Stowell on 19 Sep 1855 in Washington,,New Hampshire, USA. Cynthia (daughter of John Stowell and Anna B. Fisher) was born on 13 Nov 1830 in Washington,,New Hampshire, USA. [Group Sheet] [Family Chart]

1. Lauretta V. Farnsworth was born on 4 Sep 1857 in Washington,,New Hampshire, USA.
2. Orville O. Farnsworth was born on 22 Jan 1859 in Washington,,New Hampshire, USA.
3. Lanora L. Farnsworth was born on 12 Jun 1860 in Washington,,New Hampshire, USA; died on 16 Mar 1873.
4. Benton Farnsworth was born on 16 Dec 1861 in Washington,,New Hampshire, USA; died on 15 Jun 1885 in Washington,,New Hampshire, USA.
5. Irving E. Farnsworth was born on 1 Sep 1863 in Washington,,New Hampshire, USA; died on 25 Jan 1907 in near Norman,,Oklahoma, USA.
6. Elmer E. Farnsworth was born on 2 Jun 1865 in Washington,,New Hampshire, USA.
7. Alton V. Farnsworth was born on 12 Jan 1867 in Washington,,New Hampshire, USA.
8. Melborn A. Farnsworth was born on 24 Aug 1868 in Washington,,New Hampshire, USA.
9. Nellie May Farnsworth was born on 9 May 1870 in Washington,,New Hampshire, USA.
10. Ernest E. Farnsworth was born on 24 Jun 1872 in Washington,,New Hampshire, USA.
11. Merton A. Farnsworth was born on 23 Jul 1874 in Washington,,New Hampshire, USA.