William J. Cady
Agency patch
Patrolman

William J. Cady

South Plainfield Police Department — South Plainfield, NJ
Felonious Veteran
End of Watch April 19, 1975
Age 29
Tour of Duty 6 yrs
Badge 9
The Vigil Panel 115 ›
Gender Male

Incident

Patrolman William Cady was struck by a car and killed while on a traffic stop on I-287 near the Stelton Road entrance ramp at 12:13 am. During the stop, another vehicle, driven by a man who was under the influence of marijuana, struck Patrolman Cady. He was transported to Muhlenberg Hospital, where he succumbed to his injuries six hours later. The suspect was found guilty of death by auto and sentenced to six months in a county work camp and had his license suspended for six months. Patrolman Cady was a combat United States Marine Corps Vietnam War veteran and had served with the South Plainfield Police Department for six years.

Survivors

He was survived by his wife, son, and daughter.

In Our Keeping

Permanent identifier
BO-US-NJ-CF88C060
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

I served 1985 to 1993. You served too, before the badge - different uniform, same idea. You go where you are sent and you do not get to pick the call.
Patrolman Cady gave the South Plainfield Police Department 6 years.
Thank you for your service to the South Plainfield community, and for your service before it. Gone but never to be forgotten.
Rest easy, brother.

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

Agency

Location South Plainfield, NJ
Platform Identity sppd.middlesex.nj.us.gov.nw

Service Record

End of Watch April 19, 1975
Tour of Duty 6 yrs
Age 29
Badge Number 9
Gender Male

Incident Details

Cause Felonious
Weapon Automobile; Narcotics involved
Offender Sentenced to six months

Military Service

William J. Cady served in the United States military before joining law enforcement. Full service record available on salute.nw.

Patrolman William J. Cady 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 NJ, 264 of 646 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 40.9% of this state's fallen. That is 13.3 percentage points below the national rate of 54.2%.

At South Plainfield Police Department, 2 of 2 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 100% of this agency's fallen.

South Plainfield Police Department
2
of 2 officers
100% Felonious
NJ — Statewide
264
of 646 officers
40.9% 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. William J. Cady'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 William J. Cady Compares

Age at End of Watch
29
This officer
Avg for Felonious: 39.0 years
Years of Service
6
This officer
Avg for Felonious: 8.5 years

Offender Outcome

Sentenced to six months

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. William J. Cady is highlighted in Apr.

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. William J. Cady was killed by automobile; narcotics involved.

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

Incident Location

Others Who Wore This Badge

1 officer from South Plainfield Police Department are honored on badge.nw.