Joseph T. Clark
Agency patch
Deputy Warden

Joseph T. Clark

Felonious
End of Watch May 8, 1864
The Vigil Panel 2 ›
Gender Male

Incident

Deputy Warden Joseph Clark succumbed to wounds he suffered days earlier after being assaulted by a prisoner at the Joliet State Prison. Deputy Warden Clark and another guard were removing a prisoner, a convicted horse thief, from his cell when the prisoner struck Deputy Warden Clark on the side of his head with a rock obtained from the quarry. The prisoner seized Deputy Warden Clark's gun and fired several shots, but missed him. After regaining consciousness, Deputy Warden Clark gained control of his weapon and shot the prisoner in his arm. Assistance arrived and placed the prisoner into custody. Deputy Warden Clark suffered a severe cut to his head, but continued his duties at the prison. A number of days later, he experienced intense pain in his head and died suddenly. An autopsy determined that he had suffered a severe skull fracture during the assault. In January 1865, the prisoner was convicted of murder and sentenced to death. On July 27, 1866, he was executed by hanging at the Will County Jail becoming the first person to be executed in the county.

Deputy Warden Joseph Clark succumbed to wounds he suffered days earlier after being assaulted by a prisoner at the Joliet State Prison.

Deputy Warden Clark and another guard were removing a prisoner, a convicted horse thief, from his cell when the prisoner struck Deputy Warden Clark on the side of his head with a rock obtained from the quarry. The prisoner seized Deputy Warden Clark's gun and fired several shots, but missed him. After regaining consciousness, Deputy Warden Clark gained control of his weapon and shot the prisoner in his arm. Assistance arrived and placed the prisoner into custody.

Deputy Warden Clark suffered a severe cut to his head, but continued his duties at the prison. A number of days later, he experienced intense pain in his head and died suddenly. An autopsy determined that he had suffered a severe skull fracture during the assault.

In January 1865, the prisoner was convicted of murder and sentenced to death. On July 27, 1866, he was executed by hanging at the Will County Jail becoming the first person to be executed in the county.

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April 2, 2026
Last updated
July 23, 2026

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Tributes

162 years is a long time for a name to go unread. Not today.
Deputy Warden Clark served with the Illinois Department of Corrections.
Thank you for your service to the people of Illinois. Gone but never to be forgotten.

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

Agency

Location Springfield, IL
Platform Identity illicorr.sangamon.il.us.gov.nw

Service Record

End of Watch May 8, 1864
Gender Male

Incident Details

Cause Felonious
Weapon Blunt object; Rock
Offender Executed in 1866

Deputy Warden Joseph T. Clark 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 IL, 842 of 1,318 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 63.9% of this state's fallen. That is 9.7 percentage points above the national rate of 54.2%.

At Illinois Department of Corrections, 27 of 32 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 84.4% of this agency's fallen.

Illinois Department of Corrections
27
of 32 officers
84.4% Felonious
IL — Statewide
842
of 1,318 officers
63.9% 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. Joseph T. Clark'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 Joseph T. Clark Compares

Offender Outcome

Executed in 1866

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Joseph T. Clark is highlighted in May.

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. Joseph T. Clark was killed by blunt object; rock.

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