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Case Description

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Helen Irene Allison, a 16-year-old from Fairfax, Virginia, was last seen on May 11, 1972. She was reportedly dropped off at a Jack in the Box restaurant after school and has not been seen or heard from since. On the day of her disappearance, Helen was wearing a white blouse, a white knit sweater, and a pleated blue and gray skirt. She stood 5'3" tall, weighed 115 pounds, and had brown hair and blue eyes.

There are few details available regarding her case, but it is suspected s ...Read More
Last Seen: May 11, 1972

Victim Details

Mar 19, 2015

May 14, 2022

Helen

Allison

68

16

63 inches

115 lbs

White / Caucasian

Female

On a spring day in Fairfax, Virginia, 16-year-old Helen Irene Allison vanished, leaving behind a mystery that has spanned decades. On May 11, 1972, the teenager, a student at Bishop Dennis J. O'Connell High School in Falls Church, was given a ride to a local Jack-in-the-Box restaurant after school but never returned to her home. When she didn't come home or attend school the following day, her family was left to wonder about her whereabouts. At the time of her disappearance, Helen was described as a white female with brown hair and blue eyes, standing at 5'3" and weighing approximately 115 pounds. She was last seen wearing a white blouse, a pleated blue and gray skirt, and a white knit sweater. Initially, Helen's family considered the possibility that she may have run away. However, as time stretched on with no word from her, concern grew that she might have encountered harm. It seemed unlikely to her loved ones that she would voluntarily stay out of contact for such an extended period. The details surrounding her disappearance remain scarce, with little public information available about the circumstances of that day. It is not publicly known why she was dropped off at the Jack-in-the-Box or which specific location it was. There have also been suggestions that she may have traveled to the Washington D.C. area after she went missing. Decades have passed since Helen Allison was last seen, and her case remains an unsolved and painful enigma for her family and community. The Fairfax County Police Department continues to list her as a missing person, with the hope that someone might still come forward with information that could shed light on her fate. DNA from her family members has been made available for comparison with unidentified remains, a standard procedure in long-term missing persons cases. Despite the passage of time, the investigation into what happened to the 16-year-old girl who disappeared after a stop at a fast-food restaurant continues, a quiet but persistent search for answers in a case with very few leads.

May 11, 1972

Fairfax

Virginia

Fairfax County

29822

Fairfax County Police

Fairfax

Virginia

Fairfax County

22035

John Farrell

Detective

12099 Government Center, Virginia

7036912131

County

Law Enforcement

1972-5243798

Fairfax County Police

Brown

Blue

Blue

06/22/2026


Area Last Seen: