What is Archeion?

Archeion is Ontario's Archival Information Network, an online research tool providing access to archival descriptions of archival records held by members of the Archives Association of Ontario (AAO). The AAO represents archives and archivists who are committed to promoting the preservation and use of the documentary heritage of Ontario. The AAO provides educational and outreach programs for archivists across the province and promotes professional standards, procedures and practices in archival repositories.

Archival institutions which are members of the AAO are eligible to have an institutional page in Archeion and can contribute descriptions about their archives to Archeion. If you are an archives interested in joining the AAO and making use of Archeion, read the Joining Archeion FAQ. You can also learn more about Archeion on the AAO website.

If you are a researcher interested in learning how to find people or archival records in Archeion, read the Help page.

Archeion Technology Infrastructure and Standards

Archeion makes use of the Access to Memory (AtoM) multilingual, multi-repository, standards-based archival database platform. The Archeion AtoM instance is hosted by the Canadian company Artefactual Systems Inc.

The Archeion database makes use of the Rules for Archival Description standard, as well as the ISAAR (for People and Organizations) and ISDIAH (for Institutions) standards from the International Council on Archives.

Archeion Google Analytics Looker Studio Reports

As of June 2023, the Archeion service makes its Google Analytics monthly reports public via Looker Studio:


The AAO gratefully acknowledges the current support of the Archives of Ontario through the Ministry of Public and Business Service Delivery, as well as the Ontario Ministry of Tourism, Culture and Sport.

The AAO is grateful for the past support of the Ontario Trillium Foundation, the EMC Heritage Trust Project, and the Canadian Council of Archives for making the early development of Archeion possible.