Roll of Honor
Incident
Game Warden Jack Kupper was killed when his automobile was struck by a Milwaukee Electric Railway & Light Company streetcar in Wind Lake.
He had been called to Wind Lake to investigate a report of fishing law violations. He had just spoken to the proprietor of the Edgewater Hotel when his vehicle was struck. The crossing was obscured from the roadway due to a building and several large bushes.
Warden Kupper was survived by his wife, sister, and three brothers.
Survivors
Warden Kupper was survived by his wife, sister, and three brothers.
In Our Keeping
- Permanent identifier
BO-US-WI-410C9107- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- April 2, 2026
- Last updated
- July 23, 2026
Honored here by 1 sentinel - 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Game Warden Kupper served with the Wisconsin Department of Natural Resources.
Thank you for your service to the Madison community. Gone but never to be forgotten.
Rest easy, Game Warden Kupper.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Game Warden John Kupper is one of 10,088 officers lost to accidents in the line of duty across the full record of this memorial — 31% of all 32,508 officers honored here.
In WI, 124 of 317 officers were lost to accidents in the line of duty — 39.1% of this state's fallen. That is 8.1 percentage points above the national rate of 31%.
At Wisconsin Department of Natural Resources, 10 of 15 officers on record were lost to accidents in the line of duty — 66.7% of this agency's fallen.
National Cause Distribution
How Accident compares to all causes of officer death in the memorial record. John Kupper's cause is highlighted.
How John Kupper Compares
When Accident Deaths Occur
Monthly distribution of Accident deaths across the full memorial record. John Kupper is highlighted in Aug.
Incident Location
Others Who Wore This Badge
14 officers from Wisconsin Department of Natural Resources are honored on badge.nw.
