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Marianne Minor Missing Person Case

Last seen in St.Thomas, Ontario on Sep 29, 1984

Victim Details

Marianne

Minor

65

23

63 inches

63 inches

143 lbs

143 lbs

White / Caucasian

Female

Sep 29, 1984

St.Thomas

Ontario

Elgin County OPP OPP ONCMPUR ; 1-705-330-4144;

Ontario

[email protected]

1-877-934-6363

1-877-934-6363

Law Enforcement

RM03096105

Elgin County OPP OPP ONCMPUR ; 1-705-330-4144;

Brown

Brown

Brown

No

09/23/2026


Area Last Seen:

Case Description

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On a late September day in 1984, a 23-year-old woman named Marianne Minor vanished from St. Thomas, Ontario. At the time of her disappearance, she was a resident of the St. Thomas Psychiatric Hospital. The last time anyone saw Marianne was on September 29, 1984, when she left her ward to go to the hospital's canteen. She was never seen or heard from again. The circumstances surrounding her disappearance are not widely known, and there is a scarcity of information available regarding her cas ...
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Last Seen: Sep 29, 1984

Links to Additional Sources (2)

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  • Canada's Missing - RCMP case 2006017699
  • Marianne Minor missing since 1984 from St. Thomas, Ontario

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    Forum Posts (1)

    Hi everyone,
    I've been digging through old records and came across the disappearance of Marianne ... ...Read More
    04/18/2026
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