Lydia S. Seward (1835-1900) was born in Effingham, New Hampshire, and died in Malden, Massachusetts. She married Samuel Seward, a carpenter, in 1855. Seward was a student of Mary Baker Eddy's, completing the Primary (April 1885), Normal (May 1886), and Obstetrics (October 1888) classes. Seward was a member of the Christian Scientist Association, as well as the National Christian Scientist Association. She joined The First Church of Christ, Scientist, in Boston, Massachusetts, on October 5, 1892. She was listed in the directory of The Christian Science Journal as a Christian Science practitioner in 1896, and from 1898 to 1900. The first Christian Science teacher in Malden, she was also instrumental in forming the first Christian Scientist Association there. In 1897, Seward helped establish First Church of Christ, Scientist, in Lynn, Massachusetts, and was elected their First Reader.

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