The family announces with sorrow that Theresa Koessler passed away on Tuesday, June 16, 2026, at the age of 96. Loving Mother of Elizabeth (Roch), Hedy, and Michael (Barbara). Cherished Oma of Julie (Jonathan), Emilie (Patrick), Rosemary (Adam), Eric (Christina), Gordon, Sarah (Möise), Matthew (Carmen), Benjamin, and Lucas, and Great Oma to 8 great-grandchildren. Fondly remembered by her sister, Maria (Ägidius). She will be missed by her many nieces and nephews in Germany, as well as by extended family and friends. She was an active member of the St. John of the Cross parish and a resident of Ashley Oaks retirement home. As expressions of sympathy and in lieu of flowers, donations to St. John of the Cross parish would be greatly appreciated by the family.
Memorial Tributes
In honor of Theresa, contributions may be made to the St. John of the Cross Parish, Mississauga
Visitation
Held privately for the immediate family
Funeral Mass
Friday, June 26, 2026 at 10:30 a.m.
St. John of the Cross Parish
6890 Glen Erin Dr, Mississauga, ON L5N 2E1
Place of Rest
Interment at Assumption Catholic Cemetery
6933 Tomken Rd, Mississauga, ON L5T 1N4
