International General Assembly of Spiritualists

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Denominational Profile


The International General Assembly of Spiritualists was incorporated in 1936 in Buffalo, New York, by the Rev. Arthur A. Ford (1897-1971), Fred Constantine, and eight other Spiritualist ministers.

Membership Data

Year Clergy Churches Members
1940 - 90 1,350
1945 - 236 100,000
1946 - - 100,000
1947 - 175 150,000
1952 170 182 157,000
1955 183 201 163,000
1956 190 209 164,072

Data were taken from the National Council of Churches' Historic Archive CD and recent editions of the Yearbook of American and Canadian Churches. The National Council of Churches' data collection was discontinued after the 2012 Yearbook was published, and has been resumed by the Association of Statisticians of American Religious Bodies (ASARB). The tables and graphs will be updated when the new collection is available. See the Yearbook of Churches. Denomination descriptions provided by Dr. J. Gordon Melton, Director, Institute for the Study of American Religion (ISAR). [More information on data sources]

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