The person at the center of this case
Mary Margaret Cook
Missing Person · Open
55 years waiting · since 1970
Missing Person: Mary Margaret Cook
Justice for Mary Margaret Cook — the trail went cold in 1970, but the truth hasn't.
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Key leads to think about
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evidence
Lead #1Mary Margaret Cook wore prescription cat's eye (horn-rimmed) glasses that she could not see without—were these glasses found or recovered?
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clue
Lead #2She was making a new green dress at the time of her disappearance—was this dress ever located or completed?
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person
Lead #3Who was the last person to have direct contact with Mary Margaret Cook on November 14, 1970?
Mary Margaret Cook, a 25-year-old woman, disappeared on November 14, 1970, in Highland City, Florida. She was last seen in the town and had told her mother she was making a new green dress; she wore prescription cat's eye glasses without which she could not see. Despite decades of investigation by the Polk County Sheriff's Office, her whereabouts remain unknown, and authorities continue to seek information from anyone who may have encountered her or have knowledge of her disappearance.
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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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witness
Lead #4Did anyone in Highland City observe her movements or interactions on the day she vanished?
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Official wording
Source Narrative
NamUs case MP1670. Missing person: Mary Margaret Cook.
Last known contact: 1970-11-14 in Highland City, Polk, FL. Circumstances: Mrs.
Cook was last seen in Highland City, FL on 11/14/1970. Demographics: 25 years, Female, White / Caucasian.
Physical description: 4 ft 10 in, 145 lbs, hair: Brown, eyes: Hazel. Clothing and accessories: Accessories: Unknown; Clothing: She had told her mother she was making a new dress of green material.; Eyewear: Her glasses are believed to have been in her purse.
She could not see without them. They were cat's eye style frames.
Also referred to as 'horn-rimmed.'; Footwear: Unknown; Jewelry: Her wedding rings were at home.. Investigating agency: Polk County Sheriff's Office | 2008-152883.
Timeline of Events
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1970-11-14
Last Seen in Highland City
Mary Margaret Cook was last seen in Highland City, FL on November 14, 1970. She had mentioned to her mother that she was making a new dress of green material.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:November 14, 1970
Last Updated:June 3, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 8632986834
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Case Information
Incident:November 14, 1970
Last Updated:June 3, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 8632986834
You can remain anonymous