Research Guide: Patients


This research guide outlines online and archival resources that are relevant to studying family history if you believe that your relative was a patient at the former Lakeshore Psychiatric Hospital. Reference assistance is available—please contact me if you have any questions.

Years of Operation

January 21, 1890–September 1, 1979.

Known As

Mimico Branch Asylum (1889–1894)
Mimico Insane Asylum (1894–1911)
Mimico Hospital for the Insane (1911–1920)
Ontario Hospital, Mimico (1920–1934)
Ontario Hospital, New Toronto (1934–1964)
Lakeshore Psychiatric Hospital (1964–1979).

Also Known As

Mimico Asylum
New Toronto Asylum
Lakeshore Sanatorium.


Names of patients resting at the hospital’s cemetery can be obtained by contacting the Lakeshore Asylum Cemetery Project. Some limited information pertaining to patients is available online from the Ontario Vital Statistics Project. Clinical casebooks of patients up to the year of 1964 are available for consultation at the Archives of Ontario.

Online Resources

CanadaGenWeb Cemetery Project
Note: This page provides a limited list of names of the patients buried at the cemetery. Contact Lakeshore Asylum Cemetery Project for a complete list.

The Ontario Vital Statistics Project
Note: This site is solely intended as a quick reference and the volunteers do not accept research requests.

Archival Resources

Lakeshore Asylum Cemetery Project
Contact: 416-251-8666
Note: Deborah Quiggin will note your request and forward it to the researcher, Ed Janiszewski, who will then contact you.

Archives of Ontario
Address: 134 Ian Macdonald Boulevard, Toronto, Ontario, M7A 2C5 [map]
Contact: reference@ontario.ca, 1-800-668-9933 (toll free, Ontario only), 416-327-1600 or use the contact form to submit an inquiry.
Hours: Monday to Friday, 8:30am–5:00pm
Archival Record Series:
RG 10-298: Lakeshore Psychiatric Hospital patients’ clinical casebooks
RG 10-299: Lakeshore Psychiatric Hospital patient registers
Note: Some files are protected under the Freedom of Information and Protection of Privacy Act. Requests for access to records one hundred years old or less must be submitted in writing to the Information and Privacy Unit of the Archives of Ontario. Please refer to the web site of the Archives for more information.