Lucinda Willsie (1853-1930) was born in Canada and died in Evanston, Illinois. She immigrated to the United States in 1857. She lived first in Burr Oak, Iowa, then moved to Tarkio, Missouri, in 1867, and subsequently moved to Evanston, Illinois, where she remained for the rest of her life. She was the first student of Ellen Brown Linscott, a student of Mary Baker Eddy's. Willsie subsequently took Eddy's Primary class in August 1886, Obstetrics class in October 1888, and Normal class in May 1889. She joined The First Church of Christ, Scientist, in Boston, Massachusetts, on March 31, 1894, and was a member of the Christian Scientist Association. For several years she worked as an assistant librarian at the Chicago Public Library and by 1899 had become the librarian of the Christian Science Reading Room in Chicago. Willsie served in Mary Baker Eddy's household in January 1910. She was listed as a practitioner and teacher of Christian Science in The Christian Science Journal from 1895 until her passing.

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