O. John Hart
Agency patch
Deputy Sheriff

O. John Hart

Felonious
End of Watch May 1, 1865
The Vigil Panel 3 ›
Gender Male

Incident

Deputy Sheriff John Hart was shot and killed as he and the sheriff attempted to arrest two horse thieves.

He and one of the suspects were fatally wounded in the ensuing gun battle, and the county sheriff was wounded.

The surviving suspect fled the scene but was eventually apprehended and sentenced to eight years in prison.

In Our Keeping

Permanent identifier
BO-US-OR-A41BC09E
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

161 years is a long time for a name to go unread. Not today.
Deputy Sheriff Hart served with the Umatilla County Sheriff's Department.
Thank you for your service to the Pendleton community. Gone but never to be forgotten.

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

Agency

Location Pendleton, OR
Platform Identity ucso.umatilla.or.us.gov.nw

Service Record

End of Watch May 1, 1865
Gender Male

Incident Details

Cause Felonious
Weapon Gun; Unknown type
Offender Shot and killed

Deputy Sheriff O. John Hart 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 OR, 115 of 197 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 58.4% of this state's fallen. That is 4.2 percentage points above the national rate of 54.2%.

At Umatilla County Sheriff's 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.

Umatilla County Sheriff's Department
2
of 2 officers
100% Felonious
OR — Statewide
115
of 197 officers
58.4% 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. O. John Hart'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 O. John Hart Compares

Offender Outcome

Shot and killed

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. O. John Hart 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. O. John Hart was killed by gun; unknown type.

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

Others Who Wore This Badge

1 officer from Umatilla County Sheriff's Department are honored on badge.nw.