On 13 Dec 1825 when Seth was 25, he married Harriet Daniels in Medford, MA. Born in Aug 1804 in Keene, Cheshire County, New Hampshire. Harriet died in Medford, MA on 8 Sep 1900.
Harriet, daughter of Samuel and Hepsibeth (Munroe) Daniels.
1860 Federal Census. Medford, Middlesex County, Massachusetts
Roll 506, page 49
Post Office Somerville
Harriet Joyce, 55, $3000 real estate, b. NH
Henry S. Joyce, 30, ship joiner, b. MA
Lizze M. Joyce, 24, b. MA
Fred A. Joyce, 6 months, b. MA
Mary Flynn, 18, domestic, b. Ireland
1869 Medford, Massachusetts, City Directory
Mrs. Seth Joyce, house Park
1878 Medford, Massachusetts, City Directory
Harriet Joyce, widow of Seth, h. Cross, 1st south of brige
Henry S. Joyce, ship joiner, h. rear Mrs. S. Joyce’s, Cross
1886 Medford, Massachusetts, City Directory
Harriet Joyce, widow of Seth, h. Cross, next R.R. bridge