Incident
Sergeant Sidney Sullivan was struck and killed by a vehicle on Roosevelt Road in Hillside, one-half mile west of Wolf Road, after his car slid into a ditch on Roosevelt Road, near York Road, in DuPage County.
He was on his way to interview an informant about a recent rash of taxicab robberies in the Desplaines Street District. He struck a patch of ice and slid into the ditch. As he began walking to get help and was about two miles from the scene of the crash when he was struck by another car that slid on the ice.
Sergeant Sullivan served with the Chicago Police Department for 23 years and was assigned to the Desplaines Street Station.
Survivors
He is survived by his wife, son, daughter, and brother.
In Our Keeping
- Permanent identifier
BO-US-IL-32746546- 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
23 years. You could have gone home.
Sergeant Sullivan gave the Chicago Police Department 23 years. Still answering calls at the end.
Thank you for your service to the Chicago community. Gone but never to be forgotten.
Rest easy, Sergeant Sullivan.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Sergeant Sidney Thomas Sullivan 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 IL, 354 of 1,318 officers were lost to accidents in the line of duty — 26.9% of this state's fallen. That is 4.1 percentage points below the national rate of 31%.
At Chicago Police Department, 107 of 571 officers on record were lost to accidents in the line of duty — 18.7% of this agency's fallen.
National Cause Distribution
How Accident compares to all causes of officer death in the memorial record. Sidney Thomas Sullivan's cause is highlighted.
How Sidney Thomas Sullivan Compares
When Accident Deaths Occur
Monthly distribution of Accident deaths across the full memorial record. Sidney Thomas Sullivan is highlighted in Jan.
Incident Location
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