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Mary Lou Sena Missing Person Case

Last seen in Albuquerque, New Mexico on Sep 22, 1979

Victim Details

Jan 27, 2026

Jan 27, 2026

Mary

Lou Sena

55

9

4'5 inches

50 lbs

Hispanic

Female

Sep 22, 1979

Albuquerque

New Mexico

Albuquerque

Albuquerque Police Departmen

505-242-2677

07/19/2026

Case Description

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In the late morning of September 22, 1979, in the Martineztown neighborhood of Albuquerque, New Mexico, nine-year-old Mary Lou Sena and her eleven-year-old cousin, Billy Sena, vanished without a trace. The two children were last seen together near Edith Road and Mountain Road, having received permission to go play on the grass at the local post office. Mary Lou, a fourth-grader at Longfellow Elementary School, was wearing a red halter top at the time of her disappearance. She and Billy, a sixth- ...
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Last Seen: Sep 22, 1979

Links to Additional Sources (10)

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  • Mary Lou Sena - The Charley Project
  • 2915DFNM - Mary Lou Sena - Doe Network
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    Forum Posts (2)

    I've been reading about the Mary Lou and Billy Sena case, and something that struck me is how differ... ...Read More
    01/13/2025
    Anyone else curious about the rumored basement burial theory in the Martineztown neighborhood? I've ... ...Read More
    01/01/2023
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