James Joseph Peter Clarke
Agency patch
Patrolman

James Joseph Peter Clarke

Chicago Police Department — Chicago, IL
Illness
End of Watch January 18, 1920
Age 34
Tour of Duty 13 yrs 11 mo
The Vigil Panel 38 ›
Gender Male

Incident

Patrolman James Clarke died as a result of complications from influenza while performing his assigned duties during the Influenza Pandemic.

The second wave of influenza in Chicago was first reported at the Great North Lakes Naval Training Station in North Chicago in September 1918. By mid-September, cases had increased significantly, indicating widespread infection in Chicago. Within the next two months, the virus killed 8,500 people in the Chicago area. The Chicago Police Department was tasked with enforcing health regulations implemented to prevent the spread of influenza and with performing its regular police duties.

Patrolman Clarke served with the Chicago Police Department for more than 13 years and was assigned to the 15th Police Precinct.

Effects of the 1918-1920 Influenza Pandemic on Law EnforcementAlso known as "Spanish Flu" or "LaGrippe," the Influenza Pandemic of 1918 to early 1920, infected an estimated 500 million people worldwide—about one-third of the planet’s population—and killed approximately 675,000 Americans. The effect of the influenza epidemic in the United States was so dire that the average life span in the U.S. fell by twelve years. The four waves of the flu began in March 1918 and ended in April 1920. Many officers contracted this virus due to the requirements of their job. The names of every officer who died in the line of duty from the Influenza Pandemic will likely never be known. Still, ODMP researchers continue to uncover new cases as part of our mission never to forget the fallen. Please click here to view ODMP's Influenza memorial, listing all known fallen officers from the pandemic.

Also known as "Spanish Flu" or "LaGrippe," the Influenza Pandemic of 1918 to early 1920, infected an estimated 500 million people worldwide—about one-third of the planet’s population—and killed approximately 675,000 Americans. The effect of the influenza epidemic in the United States was so dire that the average life span in the U.S. fell by twelve years. The four waves of the flu began in March 1918 and ended in April 1920. Many officers contracted this virus due to the requirements of their job.

The names of every officer who died in the line of duty from the Influenza Pandemic will likely never be known. Still, ODMP researchers continue to uncover new cases as part of our mission never to forget the fallen.

Please click here to view ODMP's Influenza memorial, listing all known fallen officers from the pandemic.

Effects of the 1918-1920 Influenza Pandemic on Law Enforcement

I have the great honor of researching your case and writing the first reflection on your memorial. May your service and sacrifice never be forgotten.

Rocky Geppert Volunteer Researcher Officer Down Memorial Page December 30th, 2025

The 1918 Influenza Pandemic

Patrolman James Joseph Peter Clarke died on January 18, 1920 of influenza contracted in the line of duty. He was 34.

He is one of 201 officers honored here, and one of 22 at Chicago Police Department.

The influenza pandemic of 1918 killed more people worldwide than the war that preceded it. Police officers worked it without vaccines, without antibiotics, and often without masks, enforcing quarantines, transporting the sick, and standing posts in cities where the dead outpaced the undertakers.

They caught it doing the job. There was no treatment to give them.

In Our Keeping

Permanent identifier
BO-US-IL-CFC63259
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

No vaccine, no antibiotics, and you stood the post anyway.
Patrolman Clarke gave the Chicago Police Department 13 years.
Thank you for your service to the Chicago community. Gone but never to be forgotten.
Rest easy, Patrolman Clarke.

— S. Vincent Anthony, U.S. Army 1985-1993

Agency

Location Chicago, IL
Platform Identity cpd.cook.il.us.gov.nw

Service Record

End of Watch January 18, 1920
Tour of Duty 13 yrs 11 mo
Age 34
Gender Male

Incident Details

Cause Illness
Cause Detail Influenza Pandemic

Patrolman James Joseph Peter Clarke is one of 2,974 officers lost to illness connected to their service across the full record of this memorial — 9.1% of all 32,508 officers honored here.

In IL, 66 of 1,318 officers were lost to illness connected to their service — 5% of this state's fallen. That is 4.1 percentage points below the national rate of 9.1%.

At Chicago Police Department, 46 of 571 officers on record were lost to illness connected to their service — 8.1% of this agency's fallen.

Chicago Police Department
46
of 571 officers
8.1% Illness
IL — Statewide
66
of 1,318 officers
5% Illness
Nationwide
2,974
of 32,508 officers
9.1% Illness

National Cause Distribution

How Illness compares to all causes of officer death in the memorial record. James Joseph Peter Clarke's cause is highlighted.

Felonious
17,623 (54.2%)
Accident
10,088 (31%)
Illness
2,974 (9.1%)
Cardiac
1,306 (4%)
Undetermined
260 (0.8%)
Suicide
256 (0.8%)
vehicular
1 (0%)

How James Joseph Peter Clarke Compares

Age at End of Watch
34
This officer
Avg for Illness: 47.8 years
Years of Service
13.9
This officer
Avg for Illness: 18.9 years

When Illness Deaths Occur

Monthly distribution of Illness deaths across the full memorial record. James Joseph Peter Clarke is highlighted in Jan.

Jan
294
Feb
198
Mar
185
Apr
226
May
201
Jun
181
Jul
217
Aug
281
Sep
291
Oct
376
Nov
239
Dec
285