On Wednesday, June 4th, 2025, after battling cancer for over nine years, Tuulikki (Kuisma) Armstrong passed peacefully in her 84th year, on her terms, with family by her side to her final rest.

Beloved wife of Clifford James Armstrong (predeceased 1971). Loving mother of Derek Armstrong of Sault Ste. Marie, Craig Armstrong (Jan Reynolds) of Toronto and Anita Leeman Torres of Los Angeles CA (predeceased 2023). Cherished grandmother of Elizabeth Armstrong and Alex Armstrong of Toronto, Kirstin Armstrong (James McPhee) and Brianna Armstrong of Sault Ste. Marie. Great grandmother of Sarah, Kalle and Mikayla.

Dear daughter of August and Ida Kuisma (predeceased), survived by sister Hilkka Collison (Jim predeceased) of Sudbury, and Taimi St. Michael (Ray) of British Columbia (both predeceased).

Tuulikki was born in Toronto and worked for Bell Canada before relocating to Espanola, ON. She later settled in Sault Ste. Marie where she enjoyed working at the Ontario Finnish Rest Home for 16 years.

Tuulikki loved spending time with her grandchildren and great-grandchildren, gardening, birdwatching, and caring for her dog, Sisu.

The family expresses heartfelt thanks to the staff of the Sault Area Hospital, Oncology Unit, Dr. Nicki Apostle, Dr. Karen Booth, Dr. Heather O’Brien, and the staff and volunteers at ARCH Hospice.

As per Tuulikki’s wishes, there will be no funeral visitation or service. Cremation has taken place with interment at Cold Springs Cemetery, Manitoulin Island at a later date. Arrangements have been entrusted to O’Sullivan Funeral Home.

In lieu of flowers, donations may be made to the Ontario Finnish Rest Home or ARCH Hospice in Sault Ste. Marie.

Memories and notes of condolence may be shared at O’Sullivan Funeral Home.