Fonds consists of marriage register of Rondeau Wesleyan Methodist Circuit, 1863-1873; records of Harwich Methodist Circuit (includes Huffman's Corners, Zion, and Forbes), 1885-1925; records of Northwood Methodist Circuit (includes Botony, Beechwood, Northwood and Bethel), 1911-1924; records of , including marriages, 1896-1923, of Blenheim Methodist Church, 1896-1923; records, including baptisms, 1848-1887, marriages, 1848-1894, 1896-1917, and burials 1832-1848, of United Presbyterian Circuit (includes Blenheim, Troy, Rushton's Corners, and the Township of Harwich), 1832-1894; records, including marriage records, 1896-1907, of Erskine Presbyterian Church, Blenheim,1884-1925; records, including marriages, 1907-1932, of Erskine United Church, Blenheim, 1892-1932; records of Chatham Street United Church (includes Blenheim Methodist Church), 1882-1932; records, including baptisms, 1905-1966, marriages, 1896-1943, 1949-1966, and burials, 1905-1963, of Huffman's United Church, Blenheim (includes Harwich Circuit), 1896-1967; and records, including baptisms, 1912-1954, marriages, 1916-1919, 1924-1937, 1942-2006, and burials, 1915-1939, 1948-1988, of Blenheim United Church, 1912-2006,

Fonds consists of records of Cedar Springs Methodist Circuit (including Harwich, Cedar Springs, Union and Fourth Line), 1891-1925; records of Cedar Springs Methodist Church, 1875-1925; records, including baptisms, 1911-1983, marriages, 1911-1983, and burials, 1911-1983, of Cedar Springs Pastoral Charge (including Harwich, Cedar Springs, Union ,Fourth Line, Pardoville), 1891-1983; and records, including marriages, 1896-1925, of Cedar Springs United Church, 1896-1983.

Fonds consists of records, including baptisms, 1865-1879, and marriages, 1865-1939, of Roseville Evangelical Church, 1865-1946 (includes Roseville Evangelical Association and Blenheim Circuit); records, including baptisms, 1879-1958, of Roseville Evangelical United Brethren Church,1839-1967; records, including baptisms, 1972-2013, marriages, 1972-2007, and burials, 1972-2014, of Grace United Church, Roseville, 1902-2015.

Fonds consists of Quarterly Board minutes of Harwich Methodist Episcopal Circuit (includes McKay's Corners (now Harwich), Zion Church in Harwich Township, Morpeth, Guilds, Ridley (now Troy), Blenheim), 1865-1884; records of Guilds Methodist Circuit (includes Harwich Methodist Episcopal Circuit, Fairfield Methodist Circuit, Guilds, Ridley (now Troy), New Scotland), 1876-1925; Woman's Missionary Society minutes of Guilds Methodist Church, 1914-1916; records, including baptisms, 1915-1961, marriages, 1900-1961, burials, 1915-1961, of Guilds Pastoral Charge (includes Guilds Methodist Circuit, Bethel Presbyterian Pastoral Charge, Guilds Presbyterian Church, Guilds, New Scotland, The Ridge, Troy, Bethel Church in Mull), 1915-1969; records of Bethel United Church, Mull (includes Bethel Presbyterian Church), 1904-1931; records of Guilds United Church, 1960-1962; records of Troy United Church, 1926-1967.

Fonds consists of building agreement of Eastwood Methodist Episcopal Church, 1866; records of Eastwood Methodist Circuit (includes Blenheim Methodist Episcopal Circuit, Eastwood, Innerkip, Bethel Church), 1877-1916; records of Innerkip Methodist Church, 1896-1922; records of Eastwood Methodist Church, 1881-1925; records, including baptisms, 1930-1971, 1963-1969, marriages, 1896-2007, burials, 1927-1984, of Innerkip Pastoral Charge (includes Eastwood Methodist Circuit, Innerkip, Eastwood, Windfall, Bethel Church), 1918-2019; records of Bethel United Church, 1926-1946; records of Windfall United Church, 1971-1994; records, including burials 2003-2005, of Eastwood United Church, 1921-2019; and records of Innerkip United Church, 1895-2018.

Fonds consists records, including marriages, 1896-1925, of Ayr Methodist Circuit (includes Richwood Methodist Circuit, Ayr, Richwood, Paris Plains), 1870-1925; records, including baptisms, 1863-1914, marriages, 1858-1892, burials, 1863-1872, of Stanley Street Presbyterian Church, Ayr, 1834-1914; records, including baptisms, 1856-1911, marriages, 1896-1920, of Knox Presbyterian Church, Ayr, 1844-1920; baptisms, 1906-1930, marriages, 1907-1930, burials, 1906-1926, of Knox United Church, Ayr (includes Ayr Methodist Circuit, Knox Presbyterian Church).