How did Spiritualist organizations develop in the United States after the Civil War?

Following the American Civil War, Spiritualism transitioned from an informal movement into a more structured religious presence in the United States. Although the movement initially avoided formal church organization, local Spiritualist associations began to emerge in the decades following the war.1

These groups evolved through several key developments:

• Organizational Growth: The movement eventually coalesced into a nationwide body with the formation of the National Spiritualist Association (later the National Spiritualist Association of Churches) in 1893.1
• Community Gatherings: Associations frequently sponsored camps where believers could congregate in a leisurely setting to attend daily sèances and have private sessions with mediums.2
• Liturgical Evolution: Early gatherings focused on demonstrating psychic phenomena, such as clairvoyance and telepathy. Over time, these public demonstrations evolved into the Sunday church services that became standard in 20th-century Spiritualist churches.2

While these organizations sought to provide a religious alternative for those who had lost faith in traditional Christianity, the movement's reputation was later severely damaged by the exposure of widespread fraud among mediums, which pushed the practice toward the fringes of American society.1