Mrs. Theresa Johnston, a resident of Wallaceburg, passed away at St. Josephs Hospice, in Sarnia on Thursday, November 1, 2012 at the age of 84 years. Daughter of the late Arsenore and Dora (Emery) Mallette. Beloved wife of the late James Johnston (1989). Loving mother of Michael (Jacqueline) Johnston and Garry (Charlene) Johnston. Sadly missed by her grandchildren Shannon (Herbert) Litt, Shawn (Allison) Johnston, Jennifer (Zack) Glover, Karen (Kevin) Slater and step grandmother of Mike (Christine) Ward, John (Lisa) Ward and Jeff (Karen) Ward. She will be greatly missed by 10 great grandchildren, 1 great great grandchild and 5 step-grandchildren. Kind sister-in-law of Pat and Alta Johnston. Predeceased by her son David Johnston (1972), her brother Donald and two sisters Rita and Margaret. Also survived by many family and friends. Special thanks to all her family and friends, especially Lottie Mae McCormick and Grace Armitage. Thanks for the compassion and care from Dr. Serezo and Dr. Maddison, the St. Joseph's Hospice and especially the staff. Resting at the Eric F. Nicholls Funeral Home (639 Elgin St. Wallaceburg 519-627-2861). Visitation will be on Friday, November 2, 2012 from 2-4 and 7-9 pm. The Funeral Mass will be celebrated on Saturday, November 3, 2012 from Our Lady of Help Christians Church at 10:30am, with Fr. Jacek Kokosa, Celebrant. Interment in Riverview Cemetery. Donations to the St. Joseph's Hospice may be left at the funeral home. Online condolences may be left at www.ericfnichollsfuneralhome.com. As a living memorial, a tree will be planted in Nicholls Memorial Forest in memory of Theresa Johnston