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Mary Lou Sena Missing Person Case

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

Victim Details

Apr 15, 2010

Jun 04, 2019

Mary Lou

Sena

55

9

63 inches

100 lbs

Hispanic / Latino

Female

Sep 22, 1979

Albuquerque

New Mexico

Bernalillo County

87102

26951

Albuquerque Police Department

Albuquerque

New Mexico

Bernalillo County

87102

Heather Chavez

Detective

400 Roma Avenue NW, New Mexico

5057682020

Local

Law Enforcement

http://www.cabq.gov/police

790057972

Albuquerque Police Department

Black

Brown

Brown

08/16/2026


Area Last Seen:

Case Description

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Mary Lou Sena, aged 9, was last seen on September 22, 1979, in Albuquerque, New Mexico. She and her cousin, 11-year-old Billy Sena, left their home in the Martineztown neighborhood around 10:00 a.m. to visit the post office and play on the grass nearby. The children never returned home, and their whereabouts remain a mystery. Several theories emerged regarding their disappearance, including the possibility that they accidentally got locked in a railcar or were abducted.

Years later, in ...
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Last Seen: Sep 22, 1979

Links to Additional Sources (11)

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  • Mary Lou Sena - The Charley Project
  • Mary Lou Sena | International Missing Persons Wiki - Fandom
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    Forum Posts (1)

    I’ve been diving deep into the Mary Lou and Billy Sena case. Something I've been mulling over is h... ...Read More
    10/04/2024
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