Fonds consists of circuit register of Tillsonburg Wesleyan Methodist Circuit (includes Tillsonburg, Culloden, Richmond, Brownsville, Dereham Centre, Hatch's Chapel in Bayham Township), 1860-1871; Trustee Board minutes of Eden United Church (includes Eden Methodist Church), 1903-1934

Fonds consists of records created, collected and maintained by the Eden Women's Institute, Eden, Ontario, and includes a six-volume Tweedsmuir History of Eden, 1913-1992 and Meeting Plans, 1977-1988.

This series contains records concerning the involvement of the Sisters of St. Joseph in the London diocese in the field of education in St. Thomas, Ontario. While the records mention interactions with the Elgin County Roman Catholic Separate School Board and other schools in St. Thomas, the records in this series are all from or about St. Joseph’s High School. Material includes a feasibility study, yearbooks, news clippings, correspondence, photographs, pamphlets, and drama festival programs. The correspondence primarily concerns administration, funding, alumni events, and the Sisters who worked at the school. The major topics of the material are the Sisters’ employment, administrative concerns, the school’s drama department, and coordination of alumni events. There is also an annotated script for the play TUB by James W. Nichol, which the school performed in 1971.

Series contains miscellaneous letterhead invoices, receipts and cheques, principally associated with Edward Frost, St. Thomas via Ed Frost Cartage, Draying and Teamining, as well as the St. Thomas Wheel Car Company. Also includes a scrapbook with postcards collected by the Frost family. The Frost family lived at 33 Erie Street in St. Thomas, Ontario.

Fonds consists of records created, collected and maintained by Elgin Co-Operative Services, [191-?]-2007. Fonds is organized into the following series:
Photographs, [191-?]-1988
Miscellaneous Records, 1940-1984
Minutes, 1943-1998
Financial Statements, 1944-1995
Elgin Fruit Growers' Co-Operative Records, 1945-1961
Annual Reports, 1945-2007
Bond Issues, 1965-1975

Fonds consists of records created and maintained by both the Elgin County 4-H Association and individuals within the 4-H program. It includes the 4-H Constitution, annual reports, minutes of meetings, financial records, correspondence, lists of members, project records and workbooks done by 4-H members, newsletters, and scrapbooks.

The fonds is arranged into the following series:
-Administration series
-Members series
-Projects series

Fonds consists of records created and maintained by the Elgin County Archives and is arranged into the following series:
-Accession Records series, 2001-2017
-Researcher Records series, 2004-2018

Fonds also contains digitized material related to commemorations of the fiftieth and sixtieth anniversaries of Vimy Ridge in 1967 and 1977.

Fonds contains records created by the Elgin County District Women's Institute (East and West Elgin). Fonds is arranged into the following series:
-Meeting Minutes series, 1907-2004

Collection consists of fire insurance plans of St. Thomas, produced in 1894 and 1903. Also included is a map of highways in Elgin County, dated ca. 1960.

Series contains miscellaneous records collected by Ken Verrell regarding general Elgin County history.

Series contains miscellaneous material related to Elgin County history, including tourism booklets, certificates and documents, voters lists, material related to local events, and a journal created by Charles Askew, former Clerk of the Division Court, County of Elgin.

The fonds is arranged in two series:
Application Files series, 1971-1986
Minutes series, 1971-2010

The Elgin County Microform Collection is comprised of the following records on microfilm and microfiche:
-Assessment and collectors' rolls for the different municipalities
-Complete microfilm copies of every census from 1842 to 1901 for the Province of Ontario
-Bylaws and minute books from municipalities within the County
-Tweedsmuir Histories
-Assorted city and county directories from Elgin and neighbouring municipalities
-Gazeteers and directories concerning Upper Canada, Canada West, and Ontario
-Business directories
-Diaries and letter books
-Scrapbooks
-Newspapers published in the County
-Surrogate Court Estate Files and Wills for the London District and Elgin County
-Surrogate Clerk of Ontario records
-Upper Canada Land Petitions
-Church records from various churches in the County

Fonds consists of scrapbooks compiled by Elgin County Pioneer Museum staff members and volunteers to document their own activities as well as significant events in St. Thomas and Elgin County. Fonds also contains a scrapbook dedicated to information about Jumbo the Elephant.

The Elgin County Vertical File Collection is comprised of records originating from a database of miscellaneous items inherited from the Elgin County Library which were described at the file or item-level. Some of these records may eventually become part of another fonds or collection, but are currently maintained as part of this collection to enhance accessibility.

This collection consists of sample photographs taken from local studios. Many are unidentified, but are being maintained as representative of the photographers' work. Many are stamped with addresses and/or logo insignia.

Fonds consists of various records created and maintained by the Elgin Federation of Agriculture. Fonds includes:
-General History series, 1945-2009.
-Minutes series, 1947-2005.
-Membership and Attendance series, 1976-1998.

Fonds consists of over 550 photographs documenting staff, products, operations, equipment and facilities of Elgin Handles Limited, St. Thomas.

The fonds contains records created by the Kettle Valley Pioneers, largely reflecting the planning process of the annual Elgin Historical Show. Includes meeting minutes and attendance records from the Kettle Valley Pioneers. The fonds also contains correspondence, bulletins published by the Kettle Valley Pioneers, publicity and advertising materials, and scrapbooks. The fonds is arranged into the following series:
-Scrapbooks series, 1970-2005.
-Elgin Historical Show Materials series, 1979-1988.
-Administrative Records series, 1979-1989.
-Correspondence series, 1979-1991.
-Newsletters series, 1982-1996.
-Minutes series, 1979-2010.
-Attendance records series, 1984-2001.
-1985 IPM series, 1985.
-Publicity and Advertising series, 1991-1998.

Series contains various notes and correspondence, a bank deposit slip, a show exhibitor ribbon and an original draft of a report written by Don Williams. Order was imposed to gather together loose papers that were found randomly throughout the records which all relate to the Elgin Historical Show but were not part of a distinct series in the original order.