William H. Kilroy
Agency patch
Night Watchman

William H. Kilroy

Nevada City Police Department — Nevada City, CA
Felonious
End of Watch March 30, 1899
Age 38
The Vigil Panel 15 ›
Gender Male

Incident

Night Watchman William Kilroy was shot and killed by a man he suspected of committing several burglaries in Nevada City. Night Watchman Kilroy began to follow the subject whenever he came into town. Shortly after midnight on March 30th, Watchman Kilroy encountered the subject at a saloon and was confronted by the man. The two walked a short distance to the intersection of Broad Street and Pine Street, where the man threatened Watchman Kilroy. As Watchman Kilroy grabbed the man's shoulders, the subject shot him in the chest, causing them to both fall to the ground. The subject stood up and then shot Watchman Kilroy in the head, killing him. The man fled but was arrested by the county sheriff several days later. He was convicted of murder and sentenced to life in prison. He died at Folsom Prison on August 2nd, 1922.

Survivors

Night Watchman Kilroy was survived by his son.

In Our Keeping

Permanent identifier
BO-US-CA-1D2E3944
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

127 years is a long time for a name to go unread. Not today.
Night Watchman Kilroy served with the Nevada City Police Department.
Thank you for your service to the Nevada City community. Gone but never to be forgotten.

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

Agency

Location Nevada City, CA
Platform Identity npd.nevada.ca.us.gov.nw

Service Record

End of Watch March 30, 1899
Age 38
Gender Male

Incident Details

Cause Felonious
Weapon Handgun
Offender Sentenced to life

Night Watchman William H. Kilroy 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 CA, 974 of 1,837 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 53% of this state's fallen. That is 1.2 percentage points below the national rate of 54.2%.

At Nevada City Police Department, 1 of 3 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 33.3% of this agency's fallen.

Nevada City Police Department
1
of 3 officers
33.3% Felonious
CA — Statewide
974
of 1,837 officers
53% 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. William H. Kilroy'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 William H. Kilroy Compares

Age at End of Watch
38
This officer
Avg for Felonious: 39.0 years

Offender Outcome

Sentenced to life

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. William H. Kilroy is highlighted in Mar.

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. William H. Kilroy was killed by handgun.

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

Incident Location

Others Who Wore This Badge

2 officers from Nevada City Police Department are honored on badge.nw.