Peggy Joyce Jones Mandeville Missing from Camarillo/oxnard, California age 39

Case Description

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Peggy Joyce Jones Mandeville, a 39-year-old white female, went missing from the Camarillo/Oxnard, California area on or around September 1, 1978. At the time of her disappearance, she was described as being 5'2" tall and weighing approximately 100 pounds, with brown hair and green eyes. Mandeville may also have used her maiden name, Peggy Joyce Jones.

In 1978, Mandeville was admitted to Camarillo State Hospital for treatment of chronic depression. Sometime in September of that year, she ...Read More
Last Seen: Sep 01, 1978

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2562DFCA - Peggy Joyce Jones Mandeville - Doe Network

Victim Details

Created

Jan 24, 2026

Case Added

Jan 24, 2026

Firstname

Peggy

Lastname

Joyce Jones Mandeville

Current Age

39

Age At Disappearance

39

Height

5'2 inches

Weight

100 lbs

Ethnicity

White

Gender

Female

Notes

Mandeville was admitted to Camarillo State Hospital in 1978 for treatment of her chronic depression. Sometime in September of that year, she left the hospital and called her mother and her husband from a pay phone. She has never been heard from again. Police in Camarillo and Oxnard, California are investigating her case, as is the Cape Girardeau Police Department from Mandeville's mother's home state of Missouri. Her case remains unsolved.

Last Seen

Sep 01, 1978

City

Camarillo/oxnard

State

California

Zip Code

Camarillo/oxnard

Vehicles

6

Agency Name

Camarillo, California Police Departmen

Agency Phone

805-388-5100

Last Updated

01/25/2026

Peggy Joyce Jones Mandeville
Missing

Case Description

Links to Additional Sources (2)

Victim Details

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