The person at the center of this case
Gertrude Marianne Menacher
Missing Person · Open
45 years waiting · since 1981
Missing Person: Gertrude Marianne Menacher
Justice for Gertrude Marianne Menacher — the trail went cold in 1981, but the truth hasn't.
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Key leads to think about
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person
Lead #1What were the circumstances of Angela Delawder's disappearance alongside her mother, and why have both remained missing for over 40 years?
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clue
Lead #2Did Gertrude and Angela leave Hallandale voluntarily, or does evidence suggest foul play?
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witness
Lead #3Who last saw Gertrude and Angela together on March 7, 1981, and what were they doing?
Gertrude Marianne Menacher, a 37-year-old woman, disappeared on March 7, 1981, in Hallandale, Florida, while with her daughter Angela Delawder—both remain missing with no contact since that date. The circumstances of their disappearance are unclear, and investigators have not determined whether they left voluntarily, encountered foul play, or relocated. The case remains open with the Palm Beach County Sheriff's Office, and anyone with information about Gertrude or Angela's whereabouts is urged to come forward.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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location
Lead #4Were there any reports of the two being spotted in other locations after March 7, 1981?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP21071. Missing person: Gertrude Marianne Menacher.
Last known contact: 1981-03-07 in Hallandale, Miami-Dade, FL. Circumstances: Menacher was last known to be with her daughter, Angela Delawder (MP21069).
There has been no contact with Menacher or her daughter since March 7, 1981. May have possibly been living in Halladale, FL.
Demographics: 37 years, Female, White / Caucasian. Physical description: 5 ft 1 in, 120 lbs, hair: Blond/Strawberry, eyes: Green.
Investigating agency: Palm Beach County Sheriff's Office | 13-090044 | 2013-06-23.
Timeline of Events
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1981-03-07
Last Known Contact
Gertrude Marianne Menacher last known to be with her daughter Angela Delawder in Hallandale, Florida. No contact with either since this date.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:March 7, 1981
Last Updated:July 25, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 5616883000
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Case Information
Incident:March 7, 1981
Last Updated:July 25, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5616883000
You can remain anonymous