Scammon was involved in the Swedenborgian Church, building the first such church in Chicago, creating the Illinois Society of the Swedenborgian Church, and serving as vice-president of the United States general convention of the church for ten years.
Scammon was involved with the Swedenborgian Church, building its first place of worship in Chicago, creating an organization dedicated to the church's interests (the Illinois Society), and holding a leadership position within the church's national convention for a decade.