Harry O'Brien
Agency patch
Patrolman

Harry O'Brien

Illness
End of Watch October 21, 1918
Age 33
Tour of Duty 11 yrs
The Vigil Panel 35 ›
Gender Male

Incident

Patrolman Harry O'Brien died as a result of complications of influenza while in the performance of his assigned duties during the Influenza Pandemic.

In August 1918, the first cases of influenza were reported in New York City, resulting in fewer than 31,600 deaths from the fall of 1918 until the final fourth wave in April 1920. The New York City Police Department's response to the pandemic was to enforce the health laws, including wearing masks and restricting large gatherings at churches, schools, theatres, and patrolling hot spots and quarantine zones.

Patrolman O'Brien served with the New York City Police Department for 11 years and was assigned to the 39th Police Precinct at 177 East 104th Street.

The 1918 Influenza Pandemic

Patrolman Harry O'Brien died on October 21, 1918 of influenza contracted in the line of duty. He was 33.

He is one of 201 officers honored here, and one of 42 at New York City 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.

Survivors

He was survived by his wife, mother, and seven siblings.

In Our Keeping

Permanent identifier
BO-US-NY-AE41729F
Stewardship
Maintained by NeuraWeb Global Inc.
Added to badge.nw
August 2, 2026
Last updated
August 2, 2026

Honored here by 1 tribute.

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Tributes

No vaccine, no antibiotics, and you stood the post anyway.
Patrolman O'Brien gave the New York City Police Department 11 years.
Thank you for your service to the New York community. Gone but never to be forgotten.
Rest easy, Patrolman O'Brien.

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

Agency

Type Police Department
Location New York, NY
Platform Identity nypd.newyork.ny.us.gov.nw

Service Record

End of Watch October 21, 1918
Tour of Duty 11 yrs
Age 33
Gender Male

Incident Details

Cause Illness
Cause Detail Influenza Pandemic

Patrolman Harry O'Brien is one of 1 officers lost to illness connected to their service across the full record of this memorial — 0% of all 97,772 officers honored here.

In NY, 655 of 2,147 officers were lost to illness connected to their service — 30.5% of this state's fallen. That is 30.5 percentage points above the national rate of 0%.

At New York City Police Department, 538 of 1237 officers on record were lost to illness connected to their service — 43.5% of this agency's fallen.

New York City Police Department
538
of 1,237 officers
43.5% Illness
NY — Statewide
655
of 2,147 officers
30.5% Illness
Nationwide
1
of 97,772 officers
0% Illness

National Cause Distribution

How Illness compares to all causes of officer death in the memorial record. Harry O'Brien's cause is highlighted.

Felonious
1 (0%)
Accident
1 (0%)
Illness
1 (0%)
Cardiac
1 (0%)
Undetermined
1 (0%)
Suicide
1 (0%)

How Harry O'Brien Compares

Age at Death
33
This officer
Avg for Illness: 47.7 years
Years of Service
11
This officer
Avg for Illness: 18.7 years

When Illness Deaths Occur

Monthly distribution of Illness deaths across the full memorial record. Harry O'Brien is highlighted in Oct.

Jan
294
Feb
198
Mar
186
Apr
226
May
201
Jun
182
Jul
217
Aug
281
Sep
353
Oct
376
Nov
239
Dec
285

Incident Location