Fonds consists of circuit register of Bath and Amherst Island Wesleyan Methodist Mission Circuit (includes Bath, Adolphustown Church in Adolphustown Township, Amherst Island, Hawley), 1855-1856; records of Bath Methodist Circuit (includes Bath and Amherst Island Wesleyan Methodist Mission Circuit, Bath, Adolphustown Church in Adolphustown Township, Beulah Church in Ernestown Township, Hawley, Millhaven, Union Church in South Fredericksburg Township), 1856-1911; records, including baptisms, 1901-1972, marriages, 1896-1972, burials, 1901-1972, of Bath Pastoral Charge (includes Bath Methodist Circuit, Bath, United Empire Loyalist Memorial Church in Adolphustown Township, Beulah Church in Ernestown Township, Conway, Hawley, Morven, Union Church in Ernestown Station), 1896-1972; Official Board minutes of Deseronto Pastoral Charge (includes Deseronto, Morven, and Fourth Line Church in Ernestown Township), 1922-1959; records, including baptisms, 1899-1967, marriages, 1896-1967, and burials, 1899-1967, of Morven United Church (includes Morven Methodist Circuit and Morven Pastoral Charge (Morven, Fourth Line Church, Switzerville, and Violet)), 1896-1967; women's group records of Union United Church in Ernestown Station, 1930-1961; and women's group records of Bath United Church, 1947-2012.

The fonds consists of minute books, cash books, Tweedsmuir History books, photographs, a Birthday Calendar, house histories, and subject files pertaining to the activities of the Amherst Island Women’s Institute. Fonds is comprised of the following series: Series 1: Minutes Series 2: Tweedsmuir history books Series 3: Publications