John a Presbyterian U. S. A. had taught singing for over 48 years. An author of over 300 songs and many books. Stanley was partner with W. P. Gardner in the Stanley-Gardner Company, a Gospel music publisher in Saltillo, Mississippi. They issued several paperback hymnals, most without dates, and also Rudiments of Music. In addition, Stanley ran a music school in Saltillo, and served as a Justice of the Peace.