Thomas J. Seehorn
Officer

Thomas J. Seehorn

Quincy Police Department — Quincy, IL
Felonious
End of Watch August 19, 1878
Age 37
Tour of Duty 3 yrs
The Vigil Panel 6 ›
Gender Male

Incident

Officer Thomas Seehorn was stabbed to death while attempting to arrest a drunken man. He was on patrol when he found the man sleeping on the stairway of a local church. The officer awoke the man and told him to go home, but the man refused, so he was placed under arrest. Officer Seehorn then enlisted the aide of several citizens who attempted to carry the man to jail. The suspect broke free from the group, pulled a knife, and stabbed Officer Seehorn in the throat. The suspect then fled as the citizens blew Officer Seehorn's whistle to get the attention of other officers. The citizens then carried Officer Seehorn's body to his father's house. The suspect was arrested the following day. Officer Seehorn had served with the Quincy Police Department for three years.

Survivors

He was survived by his wife and child.

In Our Keeping

Permanent identifier
BO-US-IL-974DEE74
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

148 years is a long time for a name to go unread. Not today.
Officer Seehorn gave the Quincy Police Department 3 years.
Thank you for your service to the Quincy community. Gone but never to be forgotten.

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

Agency

Type Other
Location Quincy, Adams County, IL
Platform Identity qpd.adams.il.us.gov.nw

Service Record

End of Watch August 19, 1878
Tour of Duty 3 yrs
Age 37
Gender Male

Incident Details

Cause Felonious
Weapon Edged weapon

Officer Thomas J. Seehorn 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 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 63.9 percentage points above the national rate of 0%.

At Quincy Police Department, 4 of 5 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 80% of this agency's fallen.

Quincy Police Department
4
of 5 officers
80% Felonious
IL — Statewide
842
of 1,318 officers
63.9% 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. Thomas J. Seehorn's cause is highlighted.

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

How Thomas J. Seehorn Compares

Age at Death
37
This officer
Avg for Felonious: 39.0 years
Years of Service
3
This officer
Avg for Felonious: 8.4 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Thomas J. Seehorn is highlighted in Aug.

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. Thomas J. Seehorn was killed by edged weapon.

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