William married Mary Jeanette Twitchell on 7 Apr 1867 in Lancaster, Coos, New Hampshire, USA. Mary (daughter of Hiram Twitchell and Alice Corbett Child) was born on 18 Jul 1842 in Stockbridge, Windsor, Vermont, USA; died on 25 Jul 1892 in Lancaster, Coos, New Hampshire, USA; was buried in Lancaster, Coos, New Hampshire, USA. [Group Sheet] [Family Chart]

1. Ernest W. Ellis was born in Dec 1884 in Massachusetts, USA.
2. Emily J. Ellis was born in Apr 1887 in Massachusetts, USA.