Sidney Thomas Sullivan
Agency patch
Sergeant

Sidney Thomas Sullivan

Chicago Police Department — Chicago, IL
Accident
End of Watch January 31, 1937
Age 49
Tour of Duty 23 yrs
Gender Male

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

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Stewardship
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Added to badge.nw
August 2, 2026
Last updated
August 2, 2026

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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

Type Police Department
Location Chicago, Cook County, IL
Platform Identity cpd.cook.il.us.gov.nw

Service Record

End of Watch January 31, 1937
Tour of Duty 23 yrs
Age 49
Gender Male

Incident Details

Cause Accident

The Sacrifice · Accident

Sidney is one of 8,276 officers lost to accidents in the United States, 30% of the 27,551 remembered there.

34,102 officers are remembered on this memorial. Each number below is one of them.

  1. See the roll
  2. See the roll
Compare against
I

Time

In 1937, 95 officers in the United States were lost to accidents, the 10th heaviest of 174 years on record. The heaviest was 1929, with 118.

Every year on record · United States
II

Who

Sidney was 49. Of the 7,718 lost to accidents in the United States whose age is recorded, half were between 29 and 46; the middle age was 36. Sidney had served 23 years; the middle length of service was 6 years.

Age at death
Where he stood among them
Age by years of service
III

When

January holds 7.7% of these deaths in the United States; August holds the most, 9.4%. Sundays: 14%.

By month
By day of the week
IV

How

Accident deaths account for 30% of all 27,551 deaths in the United States, the 2nd most common cause.

Every cause
Weapons recorded
V

His people

Chicago Police Department has at least 120 officers remembered here, Sidney among them.

Across the years
VI

Where

Sergeant Sidney Thomas Sullivan

Chicago Police Department · End of Watch January 31, 1937

Where the Name Is Cut

National Law Enforcement Officers Memorial · Panel 3-W

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