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Thomas Demyon Missing Person Case

Last seen in Cockeysville, Maryland on Jan 13, 1997

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Victim Details

Jun 8, 2009

Feb 9, 2024

Thomas

Demyon

76

47

70 inches

230 lbs

White / Caucasian

Male

Jan 13, 1997

Cockeysville

Maryland

Baltimore County

No

20533

Baltimore County Police Department

Towson

Maryland

Baltimore County

21286

Dominic Bridges

Detective

700 East Joppa Road, Maryland

4108872214

County

Law Enforcement

https://www.baltimorecountymd.gov/Agencies/police/index.html

970140830

Baltimore County Police Department

8173

Blond/Strawberry

Blue

Blue

Oct 12, 2026


Area Last Seen:

Case Description

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Summary based on the NamUs case record (MP2289) and 11 other sources
Thomas Demyon, a 47-year-old man, was last seen on January 13, 1997, in Cockeysville, Maryland. His sudden disappearance prompted concern among his family and friends, who described him as a dedicated and responsible individual. When Thomas failed to return home that day, his loved ones reported him missing, leading to an immediate investigation by local authorities.

In the days following his disappearance, law enforcement conducted extensive searches in the Cockeysville area, including wooded regions and nearby parks. Friends and family actively participated in the search efforts, distributing flyers and using social media to spread the word about Thomas's case. Local media coverage helped raise awareness, hoping to generate tips from the community that could assist in locating him.

As the investigation progressed, various tips and potential sightings were reported, but none led to substantial breakthroughs. The case eventually grew cold, leaving Thomas's family with unanswered questions and an enduring sense of loss. Despite the lack of resolution, they continue to seek answers and advocate for renewed interest in the case, holding onto hope that one day they may discover the truth about Thomas Demyon’s disappearance.
Last Seen: Jan 13, 1997

Links to Additional Sources (11)

See any mistakes? Let us know!
  • Police Continue To Search For Clues In 1997 Disappearance Of ...
  • Thomas Gregory Demyon | Baltimore County Government
  • Thomas Gregory Demyon - The Charley Project
  • 18 Feb 1997. Thomas Gregory Demyon missing. The Baltimore Sun.
  • Missing man ruled dead; Police think Demyon victim of foul play
  • Missing Persons | Baltimore County Government
  • MISSING SINCE JANUARY 13, 1997 Thomas Gregory Demyon has ...
  • Certainty vanishes with man; Disappearance leaves wife, son in ...
  • Missing person: Md. man, in debt from gambling, missing since 1997
  • MD - Thomas Gregory Demyon, 47, Baltimore Co, 13 Jan 1997
  • Thomas Demyon has not been seen since he left his ... - Facebook

    • Possible Unidentified Matches (10)

    Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

    80%Moderate
    John Doe — Baltimore, Maryland - unidentified case UP1415
    John Doe — Baltimore, Maryland
    UP1415 • Found Mar 1, 1999
    View case
    Sex ✓Male
    Age 85%Est. 50–70 vs 47 when missing
    Race 100%White
    Location 100%11 mi away, same state
    TimingFound 2 years after last seen
    Height 84%6'0" vs 5'10"
    Weight 63%167 lb vs 230 lb
    Hair 50%Brown vs Blond
    Eyes 100%Blue vs Blue
    79%Possible
    John Doe — Baltimore, Maryland
    UP4971 • Found Jul 4, 1997
    View case
    Sex ✓Male
    Age 85%Est. 30–50 vs 47
    Race 100%White
    Location 99%15 mi away, same state
    TimingFound 6 months after last seen
    Height 100%5'11" vs 5'10"
    Weight 16%128 lb vs 230 lb
    Hair 50%Brown vs Blond
    78%Possible
    John Doe — Fairfax, Virginia - unidentified case UP6638
    John Doe — Fairfax, Virginia
    UP6638 • Found Apr 6, 2006
    View case
    Sex ✓Male
    Age 100%Est. 55–70 vs 47 when missing
    Race 100%White
    Location 89%49 mi away
    TimingFound 9 years after last seen
    Height 100%5'5"–5'11" vs 5'10"
    77%Possible
    John Doe — Capitol Heights, Maryland
    UP10112 • Found Aug 6, 2011
    View case
    Sex ✓Male
    Age 100%Est. 50–65 vs 47 when missing
    Race 100%White
    Location 91%44 mi away, same state
    TimingFound 15 years after last seen
    Height 100%5'9" vs 5'10"
    77%Possible
    John Doe — Rockville, Maryland
    UP2901 • Found Jan 18, 2002
    View case
    Sex ✓Male
    Age 84%Est. 40–45 vs 47 when missing
    Race 100%White
    Location 92%39 mi away, same state
    TimingFound 5 years after last seen
    Height 100%5'11" vs 5'10"
    Hair 50%Brown vs Blond
    77%Possible
    John Doe — Bowie, Maryland
    UP1414 • Found Dec 30, 2000
    View case
    Sex ✓Male
    Age 85%Est. 40–59 vs 47 when missing
    Race 100%White
    Location 93%35 mi away, same state
    TimingFound 4 years after last seen
    Height 100%5'11" vs 5'10"
    76%Possible
    John Doe — Lorton, Virginia - unidentified case UP75435
    John Doe — Lorton, Virginia
    UP75435 • Found Dec 6, 2019
    View case
    Sex ✓Male
    Age 100%Est. 50–65 vs 47 when missing
    Race 100%White
    Location 86%62 mi away
    TimingFound 23 years after last seen
    Height 100%5'5"–5'10" vs 5'10"
    Hair 70%Gray vs Blond
    76%Possible
    John Doe — Philadelphia, Pennsylvania
    UP16609 • Found Mar 19, 1998
    View case
    Sex ✓Male
    Age 85%Est. 40–60 vs 47 when missing
    Race 100%White
    Location 78%88 mi away
    TimingFound 14 months after last seen
    Height 100%5'10" vs 5'10"
    Weight 67%170 lb vs 230 lb
    Hair 40%Gray vs Blond
    76%Possible
    John Doe — Philadelphia, Pennsylvania - unidentified case UP2834
    John Doe — Philadelphia, Pennsylvania
    UP2834 • Found Dec 13, 2007
    View case
    Sex ✓Male
    Age 100%Est. 50–65 vs 47 when missing
    Race 100%White
    Location 78%88 mi away
    TimingFound 11 years after last seen
    Height 100%5'9" vs 5'10"
    Weight 100%244 lb vs 230 lb
    Hair 70%Gray vs Blond
    Eyes 0%Brown vs Blue
    76%Possible
    John Doe — Manassas, Virginia - unidentified case UP6305
    John Doe — Manassas, Virginia
    UP6305 • Found Jul 30, 2002
    View case
    Sex ✓Male
    Age 100%Est. 35–50 vs 47 when missing
    Race 100%White
    Location 84%67 mi away
    TimingFound 6 years after last seen
    Height 84%5'7"–5'8" vs 5'10"
    Hair 50%Brown vs Blond

    These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.

    Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.

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    Forum Posts (1)

    Thomas Demyon was 47 when he was last seen on January 13, 1997, in Cockeysville, Maryland. His... ...Read More
    12/13/2024

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