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Case Description

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Summary based on the NamUs case record (MP158326) and 1 other source
In the coastal city of Santa Barbara, California, a man's life, lived largely on the margins, faded from view in the spring of 2025, leaving a quiet but profound void for those who knew him. Mario Guerrero Ramirez, a 47-year-old man of Hispanic descent, was last seen on April 15, 2025. Known to lead a transient lifestyle, his connections to a fixed address were minimal, making the task of tracing his last movements a significant challenge for investigators. His disappearance, however, did not go unnoticed, and a missing person case was opened in the hopes of bringing him home safely.

Details about the specific circumstances of Guerrero Ramirez's disappearance remain scarce. He is described as a man with black hair and brown eyes, standing at 5 feet 5 inches tall and weighing approximately 140 pounds. When he was last seen, there was no information available regarding the clothing he was wearing or any personal belongings he may have had with him. The Santa Barbara County Sheriff's Office is the primary agency investigating his case, but without more information to go on, the trail has grown cold. His transient lifestyle means he could have moved on to a new location, but the lack of any contact with known associates has raised concerns for his well-being.

The official report of his disappearance was filed on December 20, 2025, a full eight months after he was last seen. This delay is not uncommon in cases involving individuals who live a transient life, as their patterns of communication can be irregular. The case was created in the National Missing and Unidentified Persons System on May 5, 2026, to broaden the reach of the search for information. This public-facing database provides photographs of Guerrero Ramirez, including one taken in July 2024 and a driver's license photo from July 2019, in the hope that someone might recognize him. The overview of this case is one of quiet concern for a man who lived on the fringes of society. Without a strong network of daily contacts, his absence was not immediately noted, and the passage of time has only made the search for answers more difficult. His case remains open, a silent testament to a life that has, for now, vanished without a trace.

Last Seen: Apr 15, 2025

Links to Additional Sources (1)

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Possible Unidentified Matches (4)

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.

84%Moderate
John Doe — Los Angeles, California - unidentified case UP149750
John Doe — Los Angeles, California
UP149750 • Found Aug 9, 2025
View case
Sex ✓Male
Age 100%Est. 45–55 vs 47
Race 100%Hispanic
Location 78%88 mi away, same state
TimingFound 4 months after last seen
Height 100%5'2"–5'4" vs 5'5"
Weight 100%135–150 lb vs 140 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
82%Moderate
John Doe — Los Angeles, California - unidentified case UP154628
John Doe — Los Angeles, California
UP154628 • Found Dec 8, 2025
View case
Sex ✓Male
Age 100%Est. 40–50 vs 47
Race 100%Hispanic
Location 78%91 mi away, same state
TimingFound 8 months after last seen
Height 84%5'7"–5'9" vs 5'5"
Weight 100%150–160 lb vs 140 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
79%Possible
John Doe — Sylmar, California - unidentified case UP160739
John Doe — Sylmar, California
UP160739 • Found Jul 2, 2026
View case
Sex ✓Male
Age 85%Est. 50–75 vs 47 when missing
Race 100%Hispanic
Location 82%74 mi away, same state
TimingFound 15 months after last seen
Height 75%5'3"–5'11" vs 5'5"
Weight 100%130–155 lb vs 140 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
75%Possible
John Doe — Los Angeles, California - unidentified case UP153305
John Doe — Los Angeles, California
UP153305 • Found Oct 30, 2025
View case
Sex ✓Male
Age 60%Est. 55–90 vs 47
Race 100%Hispanic
Location 78%91 mi away, same state
TimingFound 7 months after last seen
Height 100%5'0"–5'5" vs 5'5"
Weight 100%120–140 lb vs 140 lb
Hair 40%Gray vs Black
Eyes 100%Brown 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.