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Case Description
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Diana Mae Mattingly, age 64, was last seen on December 12, 2020, in Julian, California. She lived in the high desert near Anza-Borrego, specifically at the Butterfield Ranch RV Resort along county Highway S2. Mattingly reportedly suffered from dementia and Alzheimer’s disease, according to her neighbor and caregiver, Lisa Nellom. Nellom had been assisting Mattingly with daily tasks, including attending doctor’s appointments and managing her medications. In the days leading up to her disappea ...Read More
Last Seen: Dec 12, 2020
Last Seen: Dec 12, 2020
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Jun 12, 2025
Jun 16, 2025
Diana
Mattingly
69
64
61 inches
105 lbs
White / Caucasian
Female
Dec 12, 2020
Julian
California
San Diego County
Julian
Yes
53
170746
San Diego County Sheriff's Department
San Diego
California
San Diego County
92123
9621 Ridgehaven Court, California
8585655200
County
Law Enforcement
20152950
2020-12-15
San Diego County Sheriff's Department
10469
Blond/Strawberry
Blue
Blue
12/04/2025
Area Last Seen:


