Thomas John Hannon Sr.
Agency patch
Corporal

Thomas John Hannon Sr.

Dover Police Department — Dover, DE
Illness
End of Watch September 1, 2017
Age 42
Tour of Duty 12 yrs
The Vigil Panel 167 ›
Gender Male

Incident

Corporal Thomas Hannon succumbed to complications of an injury sustained in 2012 while involved in a foot pursuit.

He suffered a knee injury during the chase that required numerous surgeries. He experienced complications following a surgery that resulted in his condition worsening. He passed away as a result of the complications on Sept. 1, 2017.

Corporal Hannon had served with the Dover Police Department for 12 years.

Survivors

He is survived by his wife and three children.

In Our Keeping

Permanent identifier
BO-US-DE-29650CE4
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.
Corporal Hannon gave the Dover Police Department 12 years.
Thank you for your service to the Dover community. Gone but never to be forgotten.
Rest easy, Corporal Hannon.

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

Agency

Type Police Department
Location Dover, Kent County, DE
Platform Identity dpd.kent.de.us.gov.nw

Service Record

End of Watch September 1, 2017
Tour of Duty 12 yrs
Age 42
Gender Male

Incident Details

Cause Illness
Cause Detail Duty related illness

Corporal Thomas John Hannon Sr. is one of 1 officers lost to illness connected to their service across the full record of this memorial — 0% of all 97,772 officers honored here.

In DE, 2 of 51 officers were lost to illness connected to their service — 3.9% of this state's fallen. That is 3.9 percentage points above the national rate of 0%.

At Dover Police Department, 1 of 2 officers on record were lost to illness connected to their service — 50% of this agency's fallen.

Dover Police Department
1
of 2 officers
50% Illness
DE — Statewide
2
of 51 officers
3.9% Illness
Nationwide
1
of 97,772 officers
0% Illness

National Cause Distribution

How Illness compares to all causes of officer death in the memorial record. Thomas John Hannon Sr.'s cause is highlighted.

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

How Thomas John Hannon Sr. Compares

Age at Death
42
This officer
Avg for Illness: 47.7 years
Years of Service
12
This officer
Avg for Illness: 18.7 years

When Illness Deaths Occur

Monthly distribution of Illness deaths across the full memorial record. Thomas John Hannon Sr. is highlighted in Sep.

Jan
294
Feb
198
Mar
186
Apr
226
May
201
Jun
182
Jul
217
Aug
281
Sep
353
Oct
376
Nov
239
Dec
285

Others Who Wore This Badge

1 officer from Dover Police Department are honored on badge.nw.