Born in Manville, she was a daughter of the late Albert and Eugenie (Briere) Guilmain. She was raised in Manville and lived most of her life in Woonsocket.
Theresa was a homemaker and had a special place in her heart for animals and loved her dog “Princess”. She also enjoyed gardening and puzzles.
She is survived by a son Alfred A. Methot, and his wife Bea, of Woonsocket, a grandson Jason Guy and a great-grandson Jason Guy Jr. She was the sister of the late Eugene and Normand Guilmain.
Burial will be private. In lieu of flowers, memorial donations may be made to the Humane Society of the United States 2100 L St. NW, Washington, DC. 20037.