Fonds consists of records, including baptisms, 1916-1919, marriages, 1897-1925, burials, 1915, of Alton Methodist Circuit (includes Alton, Charleston now Caledon, Melville), 1897-1925; records, including baptisms, 1889, of First Presbyterian Church, Alton, 1874-1917; records, including baptisms, 1865-1887, 1867-1876, marriages, 1858-1888, of Knox Presbyterian Church, Caledon (includes Chalmers Church in Caledon Township), 1848-1925; records of North Erin Congregational Church, 1872-1896; records of Alton - Caledon Pastoral Charge (includes Alton, Caledon, North Erin), 1967-1991; records, including baptisms, 1887-1981, marriages, 1897-1981, burials, 1951-1981, of Knox United Church, Caledon, 1887-1994; records, including baptisms, 1874-1938, 1919-1927, 1940-1965, marriages, 1905-1938, 1919-1965, burials, 1919-1965, of Alton United Church, 1874-1999; records, including baptisms, 1896-1948, of Knox United Church, North Erin, 1896-1971.

Fonds consists of records, including baptisms, 1849-1858, of Amaranth Methodist Mission (includes Orangeville, Melville, Garafraxa Township, Cataract), 1849-1884; records, including baptisms, 1852-1880, of Orangeville Primitive Methodist Circuit (includes Orangeville, Providence Church in East Garafraxa Township, Bethel Church in Amaranth Township, Salem Church in Amaranth Township, Bethesda Church in Amaranth Township, Ebenezer Church in Laurel), 1852-1886; records, including marriages, 1896-1920, of First Avenue Methodist Church, Orangeville, 1876-1921; records, including baptisms, 1904-1933, marriages, 1904-1945, burials, 1904-1932, of First Avenue United Church, Orangeville, 1904-1948.

Fonds consists of Quarterly Offical Board minutes of Erin Methodist Circuit (includes Erin, Ballinafad, Coningsby, Belfountain, Cataract, Forks of the Credit), 1901-1925; records, including marriages, 1896-1950, of Erin Pastoral Charge (includes Erin Methodist Circuit, Erin, Hillsburgh), 1896-1950; records of Erin United Church, 1925-1937; records of Hillsburgh United Church, 1927-1978.