Ellen E. Cross (1843-1932) was born in Littleton, New Hampshire, and died in Baltimore, Maryland. She was a student of Mary Baker Eddy's, taking Primary (1885), Normal (1886), and Obstetrics (1888) classes. She joined the Christian Scientist Association in November 1884 and joined The First Church of Christ, Scientist, in Boston, Massachusetts, in October 1892. She first practiced in Binghamton, New York, and was a member of the Binghamton Christian Scientist Association, a chapter of the National Christian Scientist Association. Afterwards, she moved to Syracuse, New York, and chartered the Syracuse Academy of Christian Science, before moving to Baltimore, Maryland, in about 1893. She was an active member of the local Christian Science movement, helping found First Church of Christ, Scientist, Baltimore (1894) and later serving as Reader of Second Church, Baltimore (1898). She spent the remainder of her life living in Baltimore and working as a Christian Science practitioner and teacher listed in the directory of The Christian Science Journal.

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