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.
Start here
Key leads to think about
👁️
witness
Lead #1Did anyone in Gerty see Kenneth Sumner on April 24, 1978 or the days following his disappearance?
💡
clue
Lead #2What were the circumstances surrounding his disappearance—was he traveling, working, or visiting someone in the area?
🔍
evidence
Lead #3Were there any vehicles associated with Sumner or sightings along routes from Gerty that day?
Kenneth Henry Sumner, a 48-year-old white male, disappeared on April 24, 1978, from Gerty, Hughes County, Oklahoma. The circumstances of his disappearance remain unclear, with no confirmed sightings or leads documented since his last known contact. The case remains unsolved and investigators continue to seek information from anyone who may have encountered Sumner or have knowledge of his whereabouts.
Try asking
Claim this imported case
A one-time $10 claim transfers this imported case workspace to your account. You get 10 uploads for this case, 25 daily AI questions for this case, and public tips with files route to you.
10 uploads25 AI questions/day
This does not start a subscription. When the included limits are reached, the Personal plan unlocks more workspace capacity.
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
👁️
1978-04-24
Last Known Contact
Kenneth Henry Sumner was last seen on April 24, 1978 in Gerty, Hughes County, Oklahoma.
Key Locations
Interactive map showing important locations related to this case
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
Leave a comment
Comments
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