On 26 Nov 1767 when Francis was 23, he married Sarah Blunt, daughter of Ebenezer Blunt (8 Mar 1716/7-1784) & Lydia Francis (28 Jan 1719/20-1808), in Medford, MA. Born on 27 Nov 1750 in Medford, MA. Sarah died in Farmington, Franklin County, Maine ca 1789.