"The Doe Network" : International Center for Unidentified & Missing Persons'
Case File: Mark Allen Collman - 4564DMIL

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Missing Person, circa 1979

Mark Allen Collman

  • Case Classification: Endangered Missing
  • Missing Since: April 03, 1979
  • Location Last Seen: Yorkville, Kendall County, Illinois

    Physical Description
    ** Listed information is from the time of disappearance.

  • Date of Birth: N/A
  • Age at Time of Disappearance: 21 yrs old
  • Race: White
  • Gender: Male
  • Height at Time of Disappearance: 5'8"-5'9"
  • Weight at Time of Disappearance: 140-160 lbs
  • Hair Color: Brown
  • Eye Color: Brown
  • Alias(s) / Nickname(s): N/A

  • Distinguishing Marks/Features: Small scar on the side of his nose (unknown which side)

  • Dentals: Available
  • Fingerprints: Not Available
  • DNA: Not Available
    Clothing & Personal Items
  • Clothing: Unknown

  • Jewelry: Unknown

  • Additional Personal Items: Unknown

    Circumstances of Disappearance

    Mr. Collman was an adult at the time he went missing. His mother called from out of state when she had not heard from Mr. Collman for two weeks.

    Investigating Agency(s)
    If you have any information about this case please contact;

  • Agency Name: Yorkville Police Department
  • Agency Contact Person: Detective Stacey Mott
  • Agency Phone Number: 630-553-4340


  • Agency Case Number: 90-4115
  • NamUs Case Number: MP#12546

    Please refer to this number when contacting any agency with information regarding this case.

    Information Source(s)
  • NamUs


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    Last Updated: 06.12.2012 - By: BR/Web Asst


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