Katharine M. Harrington (b. White) (1869-1948) was born in Albany, New York, and died in Schodack, New York. As an infant she lived in Indianapolis, Indiana, before moving with her mother, Margaret S. White, to Livingston, New York, sometime before 1880, and then to Watertown, New York, by the mid-1880s. She married John S. Harrington, a farmer in Watertown, in 1895. By 1900 they had moved to Schodack, where Harrington's husband became a clerk in a department store. White also resided with them in Schodack. In 1886, while living in Watertown, White became interested Christian Science and wrote a letter to Mary Baker Eddy inquiring about how to study it.

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