The person at the center of this case
Ida Dean Anderson
Missing Person · Open
68 years waiting · since 1958
Missing Person: Ida Dean Anderson
Justice for Ida Dean Anderson — the trail went cold in 1958, but the truth hasn't.
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Key leads to think about
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person
Lead #1What were the circumstances of Ida Dean Anderson's disappearance on September 18, 1958?
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witness
Lead #2Were there any witnesses to her activities or whereabouts on the day she disappeared?
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evidence
Lead #3What physical evidence or investigative leads exist in this 65+ year old case?
Ida Dean Anderson, a 21-year-old woman, disappeared on September 18, 1958, in Ann Arbor, Michigan. She was last known to be in contact on that date and has not been located in over 65 years. The case remains open with the Ann Arbor Police Department, and any information about her whereabouts or circumstances of her disappearance is being sought.
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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 #4Who was the last person to have contact with Ida Dean Anderson?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP2485. Missing person: Ida Dean Anderson.
Last known contact: 1958-09-18 in Ann Arbor, Washtenaw, MI. Demographics: 21 years, Female, White / Caucasian.
Physical description: 5 ft 2 in, 110 lbs, hair: Brown, eyes: Green. Clothing and accessories: Clothing: Unknown clothing but usually wore dresses, long skirts and button up shirts in size 8/10 in women's; Eyewear: None; Footwear: Wore dress shoe flats - shoe size 5 1/2; Jewelry: No known jewelry.
Investigating agency: Ann Arbor Police Department | 09-24134 (CFS 09-3520) | 2009-05-18.
Timeline of Events
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1958-09-18
Last Known Contact
Ida Dean Anderson was last known to be in contact in Ann Arbor, Washtenaw, MI on September 18, 1958.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:September 18, 1958
Last Updated:September 27, 2026
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Phone: 7347946920
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Case Information
Incident:September 18, 1958
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 7347946920
You can remain anonymous