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302 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP10795) and 3 other sources
In the late winter of 1987, a young mother's life took a turn into bewildering silence, leaving a void that has been felt for decades. Cathleen Marie Martin, a 28-year-old female from the Kirklyn area of Upper Darby, Pennsylvania, was last seen on March 29, 1987. At the time, she was described as being 5'8' and 110 pounds, with blonde hair and blue eyes. A distinctive coffee-colored mark on her right arm served as a unique physical characteristic. She had embarked on a trip that began with her boarding a plane to Fort Lauderdale, Florida, a popular destination for those seeking sunshine and a break from the routine. For Cathleen, this trip was also a departure from her life in Pennsylvania, one that, for reasons unknown, she decided to extend.

The initial plan for her Florida visit remains somewhat unclear, but upon her arrival, she made the decision to stay for an extra week. This extension would prove to be a pivotal point, as it was during this time that all communication with her family ceased. She never made her way back home to Pennsylvania, and the vibrant young woman who had left her two small children in the care of her sister was never heard from again. The days turned into weeks, and then years, with no word, no sightings, and no clues to explain her sudden and complete disappearance. The investigation that followed was fraught with challenges, spanning jurisdictions and grappling with the limited information available from that time.

The case of Cathleen Martin is a story with no final chapter, a painful narrative of ambiguous loss for her loved ones. Over the years, law enforcement agencies, including the Cape May County Prosecutor's Office, have kept the case open, hoping for a new lead or a piece of information that might finally illuminate the events of that spring in 1987. The lack of available details has been a consistent hurdle in the investigation. The overview of this case is one of profound and unsettling mystery; a young mother travels for a vacation, extends her stay, and then vanishes without a trace. Her disappearance left behind unanswered questions and a family left to wonder what became of her after that fateful trip to Florida.

Last Seen: Mar 29, 1987

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.

78%Possible
Jane Doe — Baltimore, Maryland - unidentified case UP5439
Jane Doe — Baltimore, Maryland
UP5439 • Found Jun 15, 1987
View case
Sex ✓Female
Age 100%Est. 24–30 vs 28
Race 100%White
Location 79%85 mi away
TimingFound 3 months after last seen
Height 84%5'6" vs 5'8"
Weight 69%138 lb vs 110 lb
Hair 50%Red vs Blond
Eyes 70%Gray vs Blue
76%Possible
Jane Doe — Darlington, Maryland
UP2707 • Found May 28, 1998
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Sex ✓Female
Age 94%Est. 40–55 vs 28 when missing
Race 100%White
Location 88%54 mi away
TimingFound 11 years after last seen
Height 100%5'8" vs 5'8"
76%Possible
Jane Doe — West Deptford, New Jersey
UP1630 • Found May 5, 1991
View case
Sex ✓Female
Age 100%Est. 25–40 vs 28 when missing
Location 100%10 mi away
TimingFound 4 years after last seen
Height 100%5'7" vs 5'8"
75%Possible
Jane Doe — Philadelphia, Pennsylvania
UP122455 • Found Mar 31, 1991
View case
Sex ✓Female
Age 100%Est. 30–39 vs 28 when missing
Race 100%White
Location 100%7 mi away, same state
TimingFound 4 years after last seen
Height 20%5'0"–5'2" vs 5'8"
Weight 100%115–140 lb vs 110 lb
Hair 40%Gray 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.