Isabella A. Beecher (1865-?) was born in Chicago, Illinois, and died in an unknown location. A grand-niece of the famed Henry Ward Beecher, she was a student of Mary Baker Eddy's, completing the Primary class (1884), Normal class (1886), and Obstetrical course (1887). She was the secretary for the Chicago Christian Scientist Association until 1886. Beecher joined the NCSA in May 1886 and withdrew her membership in late 1887, explaining: "I have no money to spare dues at present besides I do not care to belong to the Association any longer as a matter of Principle." On Beecher's letter requesting withdrawal, Eddy wrote, "Self suspended for breaking constitution article "if you have aught against my brother first tell him of it.'" After leaving the Christian Science movement she appears to have worked as a court stenographer.

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