Sarah D. Howe (b. Cutter) (1844-1923) was born in Melrose, Massachusetts, and died in San Francisco, California. In 1872 she married Charles Marsh Howe, a pharmacist, in Lowell, Massachusetts, and they settled in Boston, Massachusetts. Howe and her husband both took the Primary class in Christian Science from Mary Baker Eddy in December 1884, and Howe then took Eddy's Normal class in 1886. They moved to San Francisco in 1887. Howe was a founding member of the first choir to sing for Christian Science services in Chickering Hall in Boston, and she also sang solos for services. Eddy addressed letters to her as "My sweet singer." She and her husband both joined the Church of Christ (Scientist) in Boston in 1885 and were members of the Christian Scientist Association and the National Christian Scientist Association. She attended the Point of Pines picnic for CSA members in July 1885. Howe was listed as a practitioner in The Christian Science Journal from 1885 to 1923, and her husband was listed from 1885 to 1909. Both joined the First Church of Christ, Scientist, Boston, on October 3, 1896. They were also members of First Church of Christ, Scientist, San Francisco.

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