Roll of Honor
Incident
Sgt. Wallace served in the First World War as a sniper with the Gordon Highlanders. He was killed at the Eastern Gate of Banff National Park, while attempting to apprehend three robber suspects. Sgt. Wallace had a wife named Helen. He is buried in Calgary and there is a street named after him at Depot. Sergeant Thomas Sellar Wallace Inscription on grave marker Sergeant Thomas Sellar Wallace
In Our Keeping
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BO-CA-FED-38B6AF60- Stewardship
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- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Sergeant Sellar Wallace served with the Royal Canadian Mounted Police.
Thank you for your service. Gone but never to be forgotten.
Rest easy, Sergeant Sellar Wallace.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Sergeant Thomas Sellar Wallace is one of 1 officers lost under undetermined circumstances across the full record of this memorial — 0% of all 97,772 officers honored here.
In ON, 266 of 364 officers were lost under undetermined circumstances — 73.1% of this state's fallen. That is 73.1 percentage points above the national rate of 0%.
At Royal Canadian Mounted Police, 236 of 333 officers on record were lost under undetermined circumstances — 70.9% of this agency's fallen.
National Cause Distribution
How Undetermined compares to all causes of officer death in the memorial record. Thomas Sellar Wallace's cause is highlighted.
How Thomas Sellar Wallace Compares
When Undetermined Deaths Occur
Monthly distribution of Undetermined deaths across the full memorial record. Thomas Sellar Wallace is highlighted in Oct.
Others Who Wore This Badge
332 officers from Royal Canadian Mounted Police are honored on badge.nw. Showing the 16 most recent.
