John married Jane Elizabeth Oulton Mar 1858. Jane (daughter of Thomas Oulton and Catherine Taylor) was born 15 Mar 1833, Mt Pleasant, Westmorland, New Brunswick, Canada; died 31 Jan 1912, Medford, Middlesex, Massachusetts, United States; was buried , Oak Grove Cemetery, Medford, Middlesex, Massachusetts, United States,. [Group Sheet]

1. Elizabeth Ann Harmon was born 27 Jan 1858, Portland, Cumberland, Maine, United States; died Yes, date unknown.
2. William Benjamin Harmon was born 1 Dec 1860, , , Maine, United States; died Yes, date unknown.
3. Thomas Gardner Harmon was born 25 Jul 1862; died Bef 1920, Boston, Suffolk, Massachusetts, United States.
4. Sabra Louise Harmon was born 5 Aug 1866; died Yes, date unknown.
5. Nettie May Harmon was born 5 Jan 1869; died Yes, date unknown.