Cyrus J. Fry (1850-1893) was born in Pottsville, Pennsylvania, and died in Deadwood, South Dakota. He married Christiana D. Fry (b. Brining) in Kansas in 1874. They moved to Raton, New Mexico, where Fry worked as Assistant Paymaster of the Raton coal mines. Due to Fry's ill health, they moved to Meckling, South Dakota, where he became a farmer. In 1888, he was elected Treasurer of Clay County, and he was appointed United States Marshall for South Dakota in 1889. Fry wrote to Mary Baker Eddy in 1886 to order Science and Health with Key to the Scriptures.

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