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Case Description

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Mark Thomas, a 30-year-old man, was last seen on January 5, 1986, in Oklahoma City, Oklahoma. At the time of his disappearance, Mark was described as standing about 5'9" tall and weighing around 145 pounds, with brown hair. His disappearance has remained a mystery for decades, with few details available regarding the circumstances surrounding the day he went missing.

Mark's case is included in various missing persons databases, where authorities continue to seek informati ...Read More
Last Seen: Jan 05, 1986

Victim Details

Jan 09, 2021

Apr 01, 2024

Mark

Thomas

68

30

69 inches

145 lbs

150 lbs

White / Caucasian

Male

In the winter of 1986, a 30-year-old man named Mark David Thomas disappeared from Oklahoma City, Oklahoma. The last known contact with Mark was on January 5th of that year. At the time he went missing, he was described as a Caucasian male with brown hair and brown eyes. He stood at a height of 5 feet 9 inches and weighed between 145 and 150 pounds. The specific circumstances that led to his disappearance remain unclear, and information about what he was wearing at the time is not available. His case was registered with the National Missing and Unidentified Persons System, also known as NamUs, under the number #MP77009. The investigation into Mark's disappearance was handled by the Oklahoma Department of Corrections. Details regarding his personal life, such as his occupation, family, and hobbies, are not widely known, which has made creating a full picture of the man and his life challenging for those looking into his case. The lack of public information about his personal background and the events leading up to January 5, 1986, have contributed to the enduring mystery of his vanishing. The case has been noted by organizations that track cold cases in Oklahoma, highlighting the length of time that has passed without answers. The disappearance of Mark David Thomas is one of many long-unsolved cases in Oklahoma, leaving a lingering sense of uncertainty for his loved ones and the community. Despite the passage of decades, his case remains open, a silent testament to a life interrupted. The investigation continues, with the hope that one day, information will come to light that can finally explain what happened to Mark after he was last seen in Oklahoma City all those years ago. The case serves as a somber reminder of the individuals who have gone missing and the lasting impact their absence has on those left behind.

Jan 05, 1986

Oklahoma City

Oklahoma

Oklahoma County

73131

No

97288

Oklahoma Department of Corrections

Oklahoma City

Oklahoma

Oklahoma County

73111

Matthew Terry

Fugitive Apprehension Agent III

1

3400 Martin Luther King Avenue, Oklahoma

State

Law Enforcement

1986-1

1986-01-05

Oklahoma Department of Corrections

6699

Brown

Brown

Brown

06/17/2026


Area Last Seen: