The person at the center of this case
Lisa Dickinson
Missing Person · Open
49 years waiting · since 1976
Missing Person: Lisa Dickinson
Justice for Lisa Dickinson — the trail went cold in 1976, but the truth hasn't.
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Key leads to think about
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evidence
Lead #1What circumstances led to Lisa's disappearance on that specific day in September 1976?
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witness
Lead #2Were there any witnesses who saw Lisa or suspicious activity in Walnut Creek on September 5, 1976?
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clue
Lead #3The distinctive Snoopy shirt may help identify sightings—has anyone reported seeing a child matching Lisa's description wearing this clothing?
Lisa Dickinson, a 9-year-old girl, disappeared on September 5, 1976, in Walnut Creek, California, while wearing a distinctive yellow Snoopy shirt and blue shorts. Nearly five decades later, her fate remains unknown, and investigators continue to seek information about her disappearance. Anyone with details about Lisa's whereabouts or what happened that day is urged to contact the Walnut Creek Police Department.
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Official wording
Source Narrative
NamUs case MP4537. Missing person: Lisa Dickinson.
Last known contact: 1976-09-05 in Walnut Creek, Contra Costa, CA. Circumstances: The child was last seen on September 5, 1976.
Demographics: 9 years, Female, White / Caucasian. Physical description: 4 ft 10 in, 80 lbs, hair: Blond/Strawberry, eyes: Blue.
Clothing and accessories: Clothing: Yellow crew-neck T-shirt with Snoopy and the word "Happiness" on the front, blue cutoff shorts; Footwear: White leather, three-strapped sandals. Investigating agency: Walnut Creek Police Department | 769880 | 1990-02-28.
Timeline of Events
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1976-09-05
Last Seen
Lisa Dickinson, age 9, was last seen on September 5, 1976, in Walnut Creek, Contra Costa County, California. She was wearing a yellow crew-neck T-shirt with Snoopy and the word 'Happiness' on the front, blue cutoff shorts, and white leather three-strapped sandals.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:September 5, 1976
Last Updated:June 2, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9259435844
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Case Information
Incident:September 5, 1976
Last Updated:June 2, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9259435844
You can remain anonymous