Mary M. Schubert (c. 1842-1910) was born in Schenectady, New York, and died in Brooklyn, New York. She married Julius Schubert, a civil engineer who worked for the Barber Asphalt Company in New York, New York. Schubert became interested in Christian Science in late 1885 while visiting a friend in Boston, Massachusetts, who was practicing there. She subsequently spent several months in Rochester, New York, where she introduced Christian Science and began practicing it. Schubert wrote to Mary Baker Eddy in February 1886 to order three copies of Science and Health with Key to the Scriptures. She wrote Eddy again in April 1886 to request that an experienced Christian Scientist be sent to Rochester to continue establishing the work there. Schubert and her husband lived most of their lives in Brooklyn. They both joined The First Church of Christ, Scientist, in Boston on January 1, 1898, and she was listed as a practitioner in The Christian Science Journal from 1899 until her passing.

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