Church and religious archives can often provide insight into the health of communities, schools and child populations, Aboriginal populations, the biographies of physicians, and the role of religion in health and health care.
Catholic Archives
- Archives des Jésuites au Canada, The Archive of the Jesuits in Canada (Montréal, Québec, Canada)
- Archives of the Roman Catholic Archdiocese of Toronto (Toronto, Ontario, Canada)
- Centre Catherine de Saint-Augustin (Québec City, Québec, Canada)
- Congregation of the Sisters of St. Joseph in Canada Archives (London, Ontario, Canada)
- Sisters of Charity Halifax Archives (Halifax, Nova Scotia, Canada)
Jewish Archives
- Jewish Heritage Centre of Western Canada (Winnipeg, Manitoba, Canada)
- Jewish Museum and Archives of British Columbia (Vancouver, BC, Canada)
- Jewish Public Library Archives (Montréal, Québec, Canada)
- Ontario Jewish Archives (Toronto, Ontario, Canada)
Protestant Archives
- Diocese of Algoma Archives (Sault Ste. Marie, Ontario, Canada)
- Diocese of Huron Archives (London, Ontario, Canada)
- Diocese of Toronto, Anglican Church of Canada Archives (Toronto, Ontario, Canada)
- Presbyterian Church in Canada, Archives and Records Office (Toronto, Ontario, Canada)
- Salvation Army Archives (Toronto, Ontario, Canada)
- United Church of Canada Archives (Toronto, Ontario, Canada)