Andrea Coyle left her residence in Bellwood, PA for the Woodrow Wilson School, an adult learning school in Altoona, PA, on December 19, 1978 at 8:00 AM.
She apparently left the school prior to noon that day and has not been seen or heard from since.

Coyle was in the U.S Army from September 2, 1974 to February 28, 1975.

She may be traveling throughout the Eastern part of U.S.

Her parents resided in Texas.

Andrea's disused married name was Andrea Duree. Her nickname is Andi.