Oliver married Ellen Louisa Symmes on 30 Oct 1851 in USA. Ellen (daughter of Marshall Symmes, Sr. and Lephe Stowell) was born on 16 May 1828 in Medford, Middlesex, Massachusetts, USA; died on 11 Jan 1916 in Winchester, Middlesex, Massachusetts, USA. [Group Sheet] [Family Chart]

1. Ellen Symmes Wellington was born on 9 Dec 1853 in Medford, Middlesex, Massachusetts, USA; died in 1932.
2. Harriet Stowell Wellington was born on 19 Sep 1855 in Medford, Middlesex, Massachusetts, USA.
3. Frank Oliver Wellington was born on 2 Aug 1857 in Medford, Middlesex, Massachusetts, USA; died on 19 Mar 1944 in New London, New London, Connecticut, USA.
4. Herbert Marshall Wellington was born on 24 Jun 1859 in Winchester, Middlesex, Massachusetts, USA; died on 24 Jun 1859 in Winchester, Middlesex, Massachusetts, USA.
5. Harry Eugene Wellington was born on 29 Nov 1861 in Medford, Middlesex, Massachusetts, USA; died in 1936 in Winchester, Middlesex, Massachusetts, USA.