The person at the center of this case
Donna Gail Manson
Missing Person · Open
52 years waiting · since 1974
Missing Person: Donna Gail Manson
Justice for Donna Gail Manson — the trail went cold in 1974, but the truth hasn't.
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Key leads to think about
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person
Lead #1What were the circumstances surrounding Donna's disappearance on March 12, 1974?
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witness
Lead #2Who was with Donna or saw her on the day she disappeared?
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evidence
Lead #3Are there any leads or physical evidence that could help locate Donna or determine what happened?
Donna Gail Manson, a 19-year-old white female, disappeared on March 12, 1974, in Olympia, Washington. She was last seen in the city and has not been located despite decades of investigation. Her case remains unsolved, and anyone with information about her whereabouts or circumstances of her disappearance is urged to contact the Thurston County Sheriff's Office.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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contact
Lead #4Does anyone have information about Donna's activities or associations in Olympia during early 1974?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP22761. Missing person: Donna Gail Manson.
Last known contact: 1974-03-12 in Olympia, Thurston, WA. Circumstances: Donna Manson was last seen in Olympia, WA on March 12, 1974.
Demographics: 19 years, Female, White / Caucasian. Physical description: 5 ft 0 in, 100 lbs, hair: Brown, eyes: Blue.
Investigating agency: Thurston County Sheriff's Office | 7438683.
Timeline of Events
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1974-03-12
Last Seen
Donna Gail Manson was last seen in Olympia, Washington on March 12, 1974. She was 19 years old at the time.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:March 12, 1974
Last Updated:July 22, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3607865500
You can remain anonymous
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Case Information
Incident:March 12, 1974
Last Updated:July 22, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3607865500
You can remain anonymous