Jul 15, 2009
Apr 29, 2024
Andrea
Coyle
76
30
63 inches
65 inches
130 lbs
140 lbs
White / Caucasian
Female
On a December morning in 1978, a 30-year-old woman named Andrea Jean Coyle left her grandparents' home in Bellwood, Pennsylvania. It was December 19th, and her destination was the Woodrow Wilson Adult Learning School in the nearby city of Altoona, where she was a student. Andrea, who was known to her loved ones as Andi, was wearing a plaid Woolrich jacket, blue jeans, a tan knit cap, and brown shoes. She intended to turn in her textbooks and receive her grades, a seemingly routine end to her coursework. However, after arriving at the school, she departed sometime before noon without ever collecting her grades and was never seen or heard from again. She had all her cash with her but left her identification behind, a detail that adds a layer of mystery to her sudden disappearance. Andrea's life in the years leading up to her disappearance was marked by personal struggles. In 1971, she experienced a nervous breakdown and subsequently received electroconvulsive therapy, a treatment her sister believes had a lasting negative impact on her mental well-being. Following this, she married in either 1972 or 1973, but the marriage was short-lived. After a suicide attempt in September 1973, her husband sent her back to her parents. This period began a pattern of transient behavior for Andrea; she would often hitchhike across the country, maintaining sporadic contact with her family every few months. Her journey also included a brief stint in the U.S. Army from September 1974 to February 1975, which ended with a medical discharge. In 1976, an arrest for a petty crime in Washington D.C. led to a court-ordered stay at a hospital. At the time she went missing, she was voluntarily receiving treatment at the psychiatric ward of Altoona Hospital. The disappearance of Andrea Coyle has remained a cold case, leaving her family with unanswered questions and a sense of unresolved grief. While authorities have considered the possibility that she may be deceased, no evidence has ever surfaced to confirm this. Her sister has expressed her belief that Andrea is gone but still longs for closure. The fact that Andrea frequently hitchhiked and had a history of disappearing for extended periods adds complexity to the investigation. She was known to travel throughout the eastern United States. The overview of this case reveals a woman grappling with significant mental health challenges who had a pattern of leaving her life behind. Her last known actions of leaving school without her grades and taking her cash but not her identification suggest a possible intention to depart, yet the complete silence in the decades since leaves a void of information. The lack of any substantial leads over the years has made it impossible to determine whether she chose to disappear and start a new life, or if she met with foul play during her travels.
Dec 19, 1978
Altoona
Pennsylvania
Blair County
No
7461
Pennsylvania State Police
Hollidaysburg
Pennsylvania
Blair County
16648
1510 North Juniata Street, Pennsylvania
8146966100
State
Law Enforcement
G01-0091382
Pennsylvania State Police
6770
Brown
Brown
Brown
06/08/2026