Born in Ticonderoga, N.Y., She was a daughter of the late Carmine and Vera (O'Dell) Fosco. She graduated from the Ticonderoga High School, class of 1968 and
SUNY Oswego, class of 1972.
She was a homemaker and was a volunteer and past president (1977-1978) of the Literacy Volunteers of Oswego County.
She loved to knit and was an avid reader, particularly of murder mysteries.
Surviving are her daughter, Kathleen (James) Monahan of Stevensville, Md., her son, Patrick (Karen) Coffey of Douglassville, Pa. , siblings: Carl (Brenda) Fosco of Glen Falls, NY, Paul Fosco, Ticonderoga, NY, Sharon (Loyal) Newell, Virginia Beach, VA, grandchildren: Liam T. Monahan, Thomas P. Coffey, Emma R. Monahan, and Daniel P. Coffey.
She was predeceased by her college sweetheart and husband of 43 years, Thomas G. Coffey Jr. and her brothers, John Fosco and Mark Fosco.
Friends may call at the Dowdle Funeral Home on Thursday from 11:00- 1:00 with a service to follow the hours.
Burial will be in St. Peter's Cemetery.
In Lieu of flowers please consider a donation in Theresa's name to the Friends of the Oswego Library https://foloswego.wordpress.com/donate/ .