Cynthia Louise Day

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5 6 AP
Top Row and Bottom Left and Center: Day, circa 1990;
Bottom Right: Age-progression to age 53 (circa 2005)


Vital Statistics at Time of Disappearance

  • Missing Since: August 10, 1990 from National City, Illinois
  • Classification: Endangered Missing
  • Date of Birth: November 11, 1952
  • Age: 37 years old
  • Height and Weights: 5'2, 125 pounds
  • Distinguishing Characteristics: Caucasian female. Blonde hair, blue eyes. Day is missing a canine tooth on the left side of her mouth. She has a scar on her lip and a hysterectomy scar on her abdomen, and her ears are pierced. Her nickname is Peaches. Day has previously fractured her pelvic bone.
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    Details of Disappearance

    Day was last seen at a Washrack in in the vicinity of the 100 block of St. Clair Avenue in National City, Illinois on August 10, 1990. She was getting into a semi truck at the time. She has never been heard from again.

    One of Day's daughters had just had a baby prior to Day's disappearance. Day was very excited about the birth and introduced the baby to all her neighbors. This was the last time Day's daughters saw their mother. They reported her missing on August 12, but law enforcement did not begin to actually investigate Day's disappearance until 2004.

    All of Day's possessions, including her toothbrush, were found missing from her home. Her boyfriend of seven years disappeared at the same time she did. Over a decade later, Day's daughter discovered he was incarcerated in a California prison for an unrelated crime. He has since been paroled. Day was unhappy with the relationship at the time of her disappearance and her loved ones feel the boyfriend may have been involved in her case. He maintains his innocence and has not been charged in connection with it, or even been questioned.

    Day may have been involved with prostitution and/or drugs at the time of her 1990 disappearance. Her case remains unsolved.


    Investigating Agency
    If you have any information concerning this case, please contact:
    East St. Louis Police Department


    Cleveland Police Department


    Source Information
    Find Cynthia Day
    Project Jason
    The National Center for Missing Adults
    The St. Louis Post-Dispatch
    KSDK NewsChannel 5
    Investigation Discovery


    Updated 6 times since October 12, 2004.

    Last updated October 10, 2008; picture added.

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