John Cannon
Agency patch
Patrolman

John Cannon

Memphis Police Department — Memphis, TN
Felonious
End of Watch June 30, 1939
Age 45
Tour of Duty 15 yrs
The Vigil Panel 76 ›
Gender Male

Incident

Patrolman John Cannon died of injuries sustained when a prisoner assaulted him 19 months earlier.

On Thanksgiving Day 1937, Patrolman Cannon and his partner were sent to a cafe at the corner of Jackson Avenue and Decatur Street to investigate a disorderly drunk male. When the officer arrived they arrested the man and placed him in the back seat of their patrol car. Patrolman Cannon's partner went back into the bar to call for a patrol wagon to pick up the suspect.

The suspect suddenly started kicking Patrolman Cannon and continued to do so until his partner returned to the car. Patrolman Cannon was rushed to a hospital where it was determined that the blows had ruptured a coronary artery. Patrolman Cannon never recovered and died 19 months later from his injuries.

Patrolman Cannon had served with the Memphis Police Department for 15 years.

Survivors

He was survived by his wife, son and two daughters.

In Our Keeping

Permanent identifier
BO-US-TN-B5BD3C6D
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

I never knew you. I am standing here anyway.
Patrolman Cannon gave the Memphis Police Department 15 years.
Thank you for your service to the Memphis community. Gone but never to be forgotten.
Rest easy, Patrolman Cannon.

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

Agency

Type Police Department
Location Memphis, Shelby County, TN
Platform Identity mpd.shelby.tn.us.gov.nw

Service Record

End of Watch June 30, 1939
Tour of Duty 15 yrs
Age 45
Gender Male

Incident Details

Cause Felonious
Cause Detail Assault
Weapon Person

Patrolman John Cannon is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,772 officers honored here.

In TN, 498 of 769 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 64.8% of this state's fallen. That is 64.8 percentage points above the national rate of 0%.

At Memphis Police Department, 53 of 94 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 56.4% of this agency's fallen.

Memphis Police Department
53
of 94 officers
56.4% Felonious
TN — Statewide
498
of 769 officers
64.8% Felonious
Nationwide
1
of 97,772 officers
0% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. John Cannon's cause is highlighted.

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

How John Cannon Compares

Age at Death
45
This officer
Avg for Felonious: 39.0 years
Years of Service
15
This officer
Avg for Felonious: 8.4 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. John Cannon is highlighted in Jun.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,516
May
1,504
Jun
1,442
Jul
1,587
Aug
1,517
Sep
1,491
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. John Cannon was killed by person.

Handgun
3,684
Gun
3,592
Gun; Unknown type
1,492
Shotgun
1,109
Rifle
935
Officer's handgun
909

Incident Location