The person at the center of this case
Kenneth Henry Sumner
Missing Person · Open
48 years waiting · since 1978
Missing Person: Kenneth Henry Sumner
Justice for Kenneth Henry Sumner — the trail went cold in 1978, 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 Kenneth's disappearance on April 24, 1978?
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witness
Lead #2Were there any witnesses who saw Kenneth on or around the date he went missing?
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clue
Lead #3What was Kenneth's intended destination or plans for that day?
Kenneth Henry Sumner, a 48-year-old white male, was last seen on April 24, 1978, in Gerty, Hughes County, Oklahoma. Nearly five decades later, his disappearance remains unexplained with no confirmed sightings or leads. Anyone with information about his whereabouts or the circumstances of his disappearance is urged to contact the Oklahoma Highway Patrol.
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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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evidence
Lead #4Has any physical evidence or remains been discovered in the decades since his disappearance?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP33987. Missing person: Kenneth Henry Sumner.
Last known contact: 1978-04-24 in Gerty, Hughes, OK. Circumstances: Last seen April 24,1978.
Demographics: 48 years, Male, White / Caucasian. Physical description: 5 ft 11 in, 200 lbs, hair: Blond/Strawberry, eyes: Green.
Clothing and accessories: Accessories: Unknown; Clothing: Unknown; Eyewear: Unknown; Footwear: Unknown; Jewelry: Unknown. Investigating agency: Oklahoma Highway Patrol - Troop Z | SF-78-07.
Timeline of Events
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1978-04-24
Last Seen
Kenneth Henry Sumner was last seen in Gerty, Hughes County, Oklahoma on April 24, 1978.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:April 24, 1978
Last Updated:September 27, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 4054252137
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Case Information
Incident:April 24, 1978
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 4054252137
You can remain anonymous