The Office of the Registrar General registers all births, deaths and marriages that take place in Ontario.
Office of the Registrar General
189 Red River Road
P.O. Box 4600
Thunder Bay, Ontario
P7B 6L8
Telephone Number: 1-800-461-2156
Application should be submitted to the Office of the Registrar General at the address listed above, or online using the Death Certificate application form. Blank applications can also be obtained in person from the City Clerk's office, 1st Floor, City Hall, 545 Talbot Street, St. Thomas.
For deaths that occurred more than 70 years ago, please contact the Archives of Ontario.