Frederick married Martha Eveline Stone on 8 Oct 1891. Martha (daughter of Daniel Stone and Martha Ann Miller) was born on 16 Mar 1859 in Newton, Middlesex, Massachusetts, USA; died on 23 Jan 1896 in Newton, Middlesex, Massachusetts, USA; was buried in Newton Cemetery, Newton, Middlesex, Massachusetts, USA. [Group Sheet] [Family Chart]

1. William Daniel Clark was born on 12 May 1893.
2. Daughter Clark was born on 17 Jan 1896 in Newton, Middlesex, Massachusetts, USA; died on 17 Jan 1896 in Newton, Middlesex, Massachusetts, USA; was buried in Newton Cemetery, Newton, Middlesex, Massachusetts, USA.