Cassius M. Hollister
Agency patch
Deputy Sheriff

Cassius M. Hollister

Sumner County Sheriff's Office — Wellington, KS
Felonious
End of Watch October 18, 1884
Age 39
Tour of Duty 5 yrs
The Vigil Panel 8 ›
Gender Male

Incident

Deputy Sheriff Cassius Hollister was shot and killed while attempting to arrest a man wanted for abducting the daughter of a wealthy farmer. As Deputy Hollister attempted to the talk the man out of a house the man shot through the door, mortally wounding him.

Survivors

Deputy Hollister was survived by his wife, two children, and mother.

In Our Keeping

Permanent identifier
BO-US-KS-8A1CA16C
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

142 years is a long time for a name to go unread. Not today.
Deputy Sheriff Hollister gave the Sumner County Sheriff's Office 5 years.
Thank you for your service to the Wellington community. Gone but never to be forgotten.

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

Agency

Location Wellington, KS
Platform Identity scso.sumner.ks.us.gov.nw

Service Record

End of Watch October 18, 1884
Tour of Duty 5 yrs
Age 39
Gender Male

Incident Details

Cause Felonious
Weapon Gun; Unknown type
Offender Not available

Deputy Sheriff Cassius M. Hollister 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 KS, 237 of 335 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 70.7% of this state's fallen. That is 16.5 percentage points above the national rate of 54.2%.

At Sumner County Sheriff's Office, 4 of 4 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 100% of this agency's fallen.

Sumner County Sheriff's Office
4
of 4 officers
100% Felonious
KS — Statewide
237
of 335 officers
70.7% 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. Cassius M. Hollister'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 Cassius M. Hollister Compares

Age at End of Watch
39
This officer
Avg for Felonious: 39.0 years
Years of Service
5
This officer
Avg for Felonious: 8.5 years

Offender Outcome

Not available

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Cassius M. Hollister is highlighted in Oct.

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. Cassius M. Hollister 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