John T. Monahan

New York City Police Department — New York, NY

Felonious

End of Watch December 3, 1934

Age 29

Badge 13670

The Vigil Panel 69 ›

Gender Male

Incident Service The Sacrifice Department 1,236

Incident

Patrolman Monahan died of a gunshot wound he received as he and three other officers investigated a complaint that a disorderly house was being operated on Garden Street in Brooklyn. As Patrolman Monahan and three other patrolmen were searching and questioning a man in the hallway of the house, the second man drew a gun and fired, striking Patrolman Monahan twice in the abdomen. Patrolman Monahan was taken to Saint Catherine's Hospital where he died 10 days later from his wounds. The subject fled the house and engaged the other three Patrolmen in a running gun battle. He was able to elude capture. He was was apprehended the two weeks later by detectives and charged with murder. He was convicted of murder and sentenced to prison. While servicing his sentence, the subject was implicated in the murder of Detective James Garvey, who was killed in April of 1934. The suspect was convicted in that murder, and sentenced to death He was executed at Sing Sing Prison in 1942. Patrolman Monahan assigned to the 14th Division.

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Permanent identifier: BO-US-NY-C066B6BA
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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

I never knew you. I am standing here anyway.
Patrolman Monahan served with the New York City Police Department.
Thank you for your service to the New York community. Gone but never to be forgotten.
Rest easy, Patrolman Monahan.

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

Agency

Department New York City Police Department

Location New York, NY

Platform Identity nypd.newyork.ny.us.gov.nw

Service Record

End of Watch December 3, 1934

Age 29

Badge Number 13670

Gender Male

Incident Details

Cause Felonious

Weapon Gun; Unknown type

Offender Executed in 1942

Patrolman John T. Monahan 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 City Police Department, 382 of 1237 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 30.9% of this agency's fallen.

New York City Police Department

382

of 1,237 officers

30.9% Felonious

NY — Statewide

754

of 2,147 officers

35.1% Felonious

Nationwide

17,623

of 32,508 officers

54.2% Felonious