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Kelly Mattern Missing Person Case

Last seen in Riverside, California on Mar 06, 2023

Victim Details

May 17, 2023

Jul 05, 2023

Kelly

Mattern

47

44

67 inches

145 lbs

170 lbs

White / Caucasian

Female

Mar 06, 2023

Riverside

California

Riverside County

92501

No

125298

Riverside Police Department

Riverside

California

Riverside County

92505

10540 Magnolia Avenue, California

9513542007

Local

Law Enforcement

https://www.riversideca.gov/rpd/default.asp

230008628

2023-04-02

Riverside Police Department

2062

Brown

Blue

Blue

07/16/2026


Area Last Seen:

Case Description

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Kelly Marie Mattern, a 44-year-old woman, was last seen on March 6, 2023, in Riverside, California. Her case remains unresolved, with minimal details available regarding the circumstances of her disappearance. According to public records, Kelly was known to have a history of arrests prior to going missing, but no clear connection has been established between those incidents and her disappearance.

Authorities are still seeking information on her whereabouts, and the California Departmen ...
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Last Seen: Mar 06, 2023

Links to Additional Sources (1)

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  • Kelly Marie Mattern | State of California - Department of Justice

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    Forum Posts (3)

    I’ve been following Kelly Marie Mattern’s case since I stumbled upon it in the DoJ’s open file... ...Read More
    07/15/2024
    Does anyone have insight into how prior arrests might factor into a missing person investigation? I'... ...Read More
    06/30/2024
    Just stumbled across Kelly Marie Mattern’s case while doing some research on missing persons. What... ...Read More
    03/05/2024
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