“Steve” John S. Tiernan

May 13, 1958 ~ June 17, 2023 (age 65) 65 Years Old


Canton, New York – “Steve” John S. Tiernan, 65, died peacefully on Saturday, June 17, 2023 at the Canton-Potsdam Hospital where he had been a patient for a short stay. 

Steve was born May 13, 1958 in Gouverneur, a son of the late Leo and Vivian “Peggy” (White) Tiernan. He graduated from Hermon-DeKalb High School in 1977 at which time he joined the Air Force. He worked for P&C Foods and Price Chopper Markets but most enjoyed his work at Kate White’s Farm. He enjoyed driving down old country roads, walking through the woods, playing basketball, shuffleboard and pitch.

Steve is survived by two sons, Christopher (Martha) Tiernan and Sean Tiernan; a granddaughter, Keira Tiernan, by siblings, Thomas (Meg) Tiernan, Lisa (Randy) Martin, Mark (Amy) Tiernan and Kathleen (Dwight) Dooley. 

In addition to his parents, Leo and Peggy, he was predeceased by an infant daughter, MacKenzie Tiernan and siblings, Brenda and Leo “Dougie” Tiernan. 

Calling hours will be held on Friday, June 23, 2023 from 11:00 am until the time of his funeral service at 1:00 pm. Burial will follow in the Hermon Cemetery. 

Contributions in his memory may be made to St. Jude’s Children’s Research Hospital, 501 St. Jude’s Place; Memphis, TN 38105 or online at 

Memories and condolences may be shared online at Arrangements for “Steve” John S. Tiernan are under the care of the O’Leary Funeral Service of Canton.

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Calling Hours
June 23, 2023

1:00 PM to 11:00 AM
O'Leary Funeral Service
5821 US Highway 11
Canton, NY 13617

Funeral Service
June 23, 2023

1:00 PM
O'Leary Funeral Service
5821 US Highway 11
Canton, NY 13617


St. Jude Children's Research Hospital
501 St. Jude Place, Memphis TN 38105
Tel: 1-800-805-5856


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