Marilyn Koski

Missing

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Case Description
Any updates on this case? Let us know!
Marilyn Sue Koski, 35, was last seen in Portland, Oregon, on January 1, 1989. She disappeared after leaving two notes—one to her next of kin and one to her roommate—indicating the possibility of suicide. At the time of her disappearance, she was living on a houseboat on the Willamette River. Despite these notes, there has been no confirmed evidence or trace of Marilyn since that day.

In the years since, no significant leads have emerged, and her case remains unsolved. The details su ...Read More
Last Seen: Jan 01, 1989
Links to Additional Sources (5)
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  • Missing Person / NamUs #MP13616

    •     ...View 4 additional sources
    Victim Details

    Jan 16, 2012

    Jul 17, 2023

    Marilyn

    Koski

    70

    35

    62 inches

    64 inches

    130 lbs

    140 lbs

    White / Caucasian

    Female

    Jan 01, 1989

    Portland

    Oregon

    Multnomah County

    No

    11218

    Multnomah County Sheriff's Office

    Portland

    Oregon

    Multnomah County

    97214

    Keith Krafve

    Detective Sgt.

    501 Southeast Hawthorne Boulevard, Suite 350, Oregon

    5039884300

    County

    Law Enforcement

    https://www.mcso.us/site/

    89.24

    Multnomah County Sheriff's Office

    Blond/Strawberry

    Blue

    Blue

    09/26/2024


    Area Last Seen:
    Forum Posts (2)
    I'm curious to know where Marilyn grew up. Can anyone share any information about her hometown or ch... ...Read More
    06/04/2023
    Does anyone know if there was a candlelight vigil planned for Marilyn? I heard some people may be or... ...Read More
    03/24/2023