Diana Theodora Seniuk Obituary
The world bids farewell to Diana Theodora Seniuk (St. Catharines, Ontario), departing on November 6, 2025 at the age of 84. Diana leaves behind memories cherished by the community. You can send your sympathy in the guestbook provided and share it with the family.
She was predeceased by: her husband Daniel; her parents, Mary Wira and Max Wira; her in-laws, Mary, Anthony Seniuk, Joe, Donna Seniuk, Virginia, Bill Maksymyshyn and Lena Seniuk; Terry.
She is survived by: her children, Lisa Tkaczuk (Orest) and Mark (Jenn); and her siblings-in-law, Jeanne Wira and Russell Seniuk. She is also survived by many nephews, nieces, great-nephews, great-nieces and cousins.
In lieu of flowers, memorial donations may be made to St. John the Theologian Ukrainian Catholic Church, the Heart and Stroke Foundation of Canada, or to a charity of your choice in Diana's memory.

November 9, 2025
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