John J. O'Brien
Agency patch
Patrolman

John J. O'Brien

Felonious
End of Watch August 25, 1864
Age 29
The Vigil Panel 2 ›
Gender Male

Incident

Patrolman John O'Brien was shot and killed when he attempted to arrest a wanted fugitive. Patrolman O'Brien spotted the suspect as he walked his beat. Patrolman O'Brien pursued the suspect into a liquor store at the corner of 41st Street and 8th Avenue and attempted to arrest him. The suspect drew a pistol and shot Patrolman O'Brien in the head. Although wounded, Patrolman O'Brien pursued the suspect to 40th street, where he collapsed from loss of blood. Patrolman O'Brien was removed to the hospital where he died four days later from his wounds. The suspect was apprehended 14 years later and charged with murder. Patrolman O'Brien was assigned to the 17th Precinct.

Survivors

He was survived by his wife and two children and is buried in Brooklyn, New York.

In Our Keeping

Permanent identifier
BO-US-NY-73775FE8
Stewardship
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Added to badge.nw
April 2, 2026
Last updated
July 23, 2026

Honored here by 1 sentinel - 1 tribute.

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Tributes

162 years is a long time for a name to go unread. Not today.
Patrolman O'Brien served with the New York Metropolitan Police Force.
Thank you for your service to the New York community. Gone but never to be forgotten.

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

Agency

Location New York, NY
Platform Identity nympd.newyork.ny.us.gov.nw

Service Record

End of Watch August 25, 1864
Age 29
Gender Male

Incident Details

Cause Felonious
Weapon Gun; Unknown type
Offender Charged with murder

Patrolman John J. O'Brien is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.

In NY, 754 of 2,147 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 35.1% of this state's fallen. That is 19.1 percentage points below the national rate of 54.2%.

At New York Metropolitan Police Force, 18 of 22 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 81.8% of this agency's fallen.

New York Metropolitan Police Force
18
of 22 officers
81.8% Felonious
NY — Statewide
754
of 2,147 officers
35.1% Felonious
Nationwide
17,623
of 32,508 officers
54.2% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. John J. O'Brien'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 John J. O'Brien Compares

Age at End of Watch
29
This officer
Avg for Felonious: 39.0 years

Offender Outcome

Charged with murder

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. John J. O'Brien is highlighted in Aug.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,517
May
1,505
Jun
1,443
Jul
1,587
Aug
1,516
Sep
1,553
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. John J. O'Brien was killed by gun; unknown type.

Gun; Unknown type
5,083
Handgun
2,077
Shotgun
922
Officer's handgun
909
Automobile; Alcohol involved
530
Rifle
518

Incident Location