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Martin Blackwell Missing Person Case

Last seen in Concord, California on Apr 22, 2021

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Victim Details

May 1, 2021

May 11, 2021

Martin

Blackwell

44

39

70 inches

145 lbs

White / Caucasian

Male

Apr 22, 2021

Concord

California

Contra Costa County

94521

No

104440

Concord Police Department

Concord

California

Contra Costa County

94520

1350 Galindo Street, California

9256713333

State

Law Enforcement

http://www.ci.concord.ca.us/page.asp?pid=1026

2103850

Concord Police Department

na

Brown

Hazel

Hazel

Oct 12, 2026


Area Last Seen:

Case Description

Any updates on this case? Let us know!
Summary based on the NamUs case record (MP79999) and 4 other sources
Martin Thomas Blackwell, a 39-year-old man, was last seen on April 22, 2021, in Concord, California. There is limited public information about the specific circumstances of his disappearance. At the time he went missing, Martin was described as 5'10" tall, weighing approximately 185 pounds, with brown hair and brown eyes. No further details regarding his last known actions, potential sightings, or clues have been made available, leaving his case unsolved.

Local authorities, including the Concord Police Department, continue to investigate his disappearance and encourage anyone with information to come forward to assist in the case.
Last Seen: Apr 22, 2021

Links to Additional Sources (4)

See any mistakes? Let us know!
  • Missing Person / NamUs #MP79999 | NamUs
  • Coroner - Anderson County South Carolina
  • Missing Children Data from NAMUS website - GitHubのGist
  • Missing Person / NamUs

    • Possible Unidentified Matches (2)

    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.

    76%Possible
    John Doe — Santa Clara, California - unidentified case UP129752
    John Doe — Santa Clara, California
    UP129752 • Found Jun 29, 2021
    View case
    Sex ✓Male
    Age 100%Est. 28–42 vs 39
    Location 90%46 mi away, same state
    TimingFound 2 months after last seen
    Height 100%5'9" vs 5'10"
    Weight 57%188 lb vs 145 lb
    Hair 60%Black vs Brown
    Eyes 60%Brown vs Hazel
    75%Possible
    John Doe — Fresno, California
    UP150905 • Found May 13, 2025
    View case
    Sex ✓Male
    Age 100%Est. 30–45 vs 39 when missing
    Race 100%White
    Location 66%146 mi away, same state
    TimingFound 4 years after last seen
    Height 100%5'9" vs 5'10"
    Hair 60%Black vs Brown

    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)

    Martin Thomas Blackwell, 39, was last seen on April 22, 2021, in Concord, California. He was... ...Read More
    05/03/2024

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