Mary J. Gray (1851-1922) was born in Indiana and died in Colorado Springs, Colorado. She was married to John L. Gray, who was the Clerk of the District Court for Park County, Colorado, and they lived in Fairplay, Colorado. They subsequently divorced and she relocated to Colorado Springs. In 1886 she wrote to Sarah H. Crosse, publisher and manager of The Christian Science Journal, to order copies of several of Mary Baker Eddy's writings and subscriptions to the Journal.

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