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Case Description

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Summary based on the NamUs case record (MP55234) and 5 other sources
On a spring morning in Haskell, Oklahoma, the three children of Kassaundra Denise Williams Patterson awoke to find their mother gone. It was May 5, 1988, and the 33-year-old woman had vanished from their home at the Silver Leaf Apartments, leaving all of her personal belongings, including her purse, behind. It was considered highly uncharacteristic of her to leave without her purse, and especially to leave her children. Kassaundra, an enrolled member of the Muscogee Nation, was of Black and Native American heritage with black hair and brown eyes.

The circumstances surrounding Kassaundra's disappearance remain shrouded in mystery, with very few details available to provide a clear picture of what might have happened. There were no signs of a struggle or forced entry at her apartment. A poignant and mysterious event occurred on Mother's Day in 1989 when Kassaundra's mother received a phone call. The caller hung up immediately, and their identity was never confirmed, leaving a lingering question as to whether it could have been Kassaundra. Some accounts mention that the caller may have said 'Momma. Mom,' before the line went dead. This, however, has not been definitively substantiated.

Decades have passed since Kassaundra Williams Patterson was last seen, and her case has grown cold. Her family has endured years of uncertainty, holding on to the hope of one day finding answers. The investigation, led by the Haskell Police Department, has yielded few leads over the years. The lack of evidence and the passage of time have made the search for Kassaundra incredibly challenging. Despite the difficulties, her case remains open, a somber reminder of a mother who seemingly vanished without a trace, leaving behind a family to grapple with her unexplained absence. The overview of the case is one of a sudden and perplexing disappearance with no clear evidence of foul play, yet the circumstances are highly uncharacteristic of her known behavior, leaving her family and investigators with more questions than answers.

Last Seen: May 5, 1988

Possible Unidentified Matches (5)

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 — Big Cedar, Oklahoma - unidentified case UP7857
Jane Doe — Big Cedar, Oklahoma
UP7857 • Found Jan 18, 1990
View case
Sex ✓Female
Age 85%Est. 30–50 vs 33 when missing
Race 100%Black
Location 75%100 mi away, same state
TimingFound 20 months after last seen
Height 84%5'1" vs 5'3"–5'6"
Weight 79%87 lb vs 115–160 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
77%Possible
Jane Doe — Texas - unidentified case UP4065
Jane Doe — Texas
UP4065 • Found Jul 19, 1988
View case
Sex ✓Female
Age 100%Est. 25–35 vs 33
Race 100%Black
Location 53%219 mi away
TimingFound 2 months after last seen
Height 84%5'1" vs 5'3"–5'6"
Weight 89%94 lb vs 115–160 lb
Hair 100%Black vs Black
Eyes 100%Brown vs Brown
77%Possible
Jane Doe — Texas
UP4074 • Found May 21, 1988
View case
Sex ✓Female
Age 100%Est. 25–35 vs 33
Race 100%Black
Location 53%219 mi away
TimingFound 2 weeks after last seen
Height 100%5'7" vs 5'3"–5'6"
Weight 100%114 lb vs 115–160 lb
Hair 100%Black vs Black
76%Possible
Jane Doe — Oklahoma City, Oklahoma
UP156534 • Found Feb 26, 2026
View case
Sex ✓Female
Age 100%Est. 38–52 vs 33 when missing
Race 100%Black
Location 76%95 mi away, same state
TimingFound 38 years after last seen
Height 100%5'6" vs 5'3"–5'6"
Weight 100%115 lb vs 115–160 lb
Hair 100%Black vs Black
75%Possible
Jane Doe — Webbers Falls, Oklahoma - unidentified case UP9183
Jane Doe — Webbers Falls, Oklahoma
UP9183 • Found Apr 27, 2006
View case
Sex ✓Female
Age 100%Est. 30–40 vs 33 when missing
Location 93%37 mi away, same county
TimingFound 18 years after last seen
Height 100%5'3" vs 5'3"–5'6"
Weight 100%150 lb vs 115–160 lb
Hair 60%Brown vs Black
Eyes 100%Brown vs Brown

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.

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