Jack Fennell
Agency patch
Deputy Sheriff

Jack Fennell

Ontario County Sheriff's Office — Canandaigua, NY
Felonious
End of Watch August 31, 1951
Age 41
The Vigil Panel 87 ›
Gender Male

Incident

Deputy Fennell succumbed to gunshot wounds received almost three months earlier while trying to stop four suspects who had just robbed a filling station attendant of $250 on Route 20 near Canandaigua. All four suspects were captured a short time later at a roadblock in Geneva after an exchange of gunfire with police. One of the suspects admitted that he killed Deputy Fennell. He was convicted of first degree murder and sentenced to life on November 16, 1951. He died in prison on March 10, 1982.

In Our Keeping

Permanent identifier
BO-US-NY-99884B13
Stewardship
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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.
Deputy Sheriff Fennell served with the Ontario County Sheriff's Office.
Thank you for your service to the Canandaigua community. Gone but never to be forgotten.
Rest easy, Deputy Sheriff Fennell.

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

Agency

Type Sheriff's Office
Location Canandaigua, Ontario County, NY
Platform Identity ocso.ontario.ny.us.gov.nw

Service Record

End of Watch August 31, 1951
Age 41
Gender Male

Incident Details

Cause Felonious
Weapon Gun

Deputy Sheriff Jack Fennell 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 NY, 728 of 2,147 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 33.9% of this state's fallen. That is 33.9 percentage points above the national rate of 0%.

At Ontario County Sheriff's Office, 1 of 4 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 25% of this agency's fallen.

Ontario County Sheriff's Office
1
of 4 officers
25% Felonious
NY — Statewide
728
of 2,147 officers
33.9% 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. Jack Fennell's cause is highlighted.

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

How Jack Fennell Compares

Age at Death
41
This officer
Avg for Felonious: 39.0 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Jack Fennell 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. Jack Fennell was killed by gun.

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