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.
Start here
Key leads to think about
🔍
evidence
Lead #1What was the significance of Lisa's distinctive yellow Snoopy shirt and blue shorts—did anyone report seeing a child matching this description after September 5, 1976?
👁️
witness
Lead #2Were there any credible witness sightings or reports in the days and weeks following her disappearance that were never fully investigated?
💡
clue
Lead #3Why has there been no update or discovery in this case for nearly 50 years—what investigative leads, if any, remain unexplored?
Lisa Dickinson, a 9-year-old girl, disappeared on September 5, 1976, in Walnut Creek, California, while wearing a distinctive yellow Snoopy t-shirt and blue shorts. Nearly 50 years later, the circumstances of her disappearance remain unclear, and her fate is unknown. Anyone with information about Lisa's whereabouts or what happened that day is urged to contact the Walnut Creek Police Department.
Try asking
Claim this imported case
A one-time $10 claim transfers this imported case workspace to your account. You get 10 uploads for this case, 25 daily AI questions for this case, and public tips with files route to you.
10 uploads25 AI questions/day
This does not start a subscription. When the included limits are reached, the Personal plan unlocks more workspace capacity.
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
👤
1976-09-05
Lisa Dickinson Last Seen
9-year-old Lisa Dickinson 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 '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
You can remain anonymous
Leave a comment
Comments
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