Mark Claude Featherstone
Agency patch
Deputy Sheriff

Mark Claude Featherstone

Calvert County Sheriff's Office — Prince Frederick, MD
Accident
End of Watch April 22, 1976
Age 25
The Vigil Panel 117 ›
Gender Male

Incident

Deputy Sheriff Mark Featherstone was killed in an automobile crash at the intersection of Silver Hill Road and Pennsylvania Avenue in Prince George's County.

Deputy Featherstone and another deputy were in Forestville, Maryland, to attend training at the Prince George's County Police Training Academy when the crash occurred. The second deputy sustained minor injuries in the crash.

In Our Keeping

Permanent identifier
BO-US-MD-5A9D4C12
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

I never knew you. I am standing here anyway.
Deputy Sheriff Featherstone served with the Calvert County Sheriff's Office.
Thank you for your service to the Prince Frederick community. Gone but never to be forgotten.
Rest easy, Deputy Sheriff Featherstone.

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

Agency

Location Prince Frederick, MD
Platform Identity ccso.calvert.md.us.gov.nw

Service Record

End of Watch April 22, 1976
Age 25
Gender Male

Incident Details

Cause Accident

Deputy Sheriff Mark Claude Featherstone is one of 10,088 officers lost to accidents in the line of duty across the full record of this memorial — 31% of all 32,508 officers honored here.

In MD, 140 of 377 officers were lost to accidents in the line of duty — 37.1% of this state's fallen. That is 6.1 percentage points above the national rate of 31%.

At Calvert County Sheriff's Office, 2 of 2 officers on record were lost to accidents in the line of duty — 100% of this agency's fallen.

Calvert County Sheriff's Office
2
of 2 officers
100% Accident
MD — Statewide
140
of 377 officers
37.1% Accident
Nationwide
10,088
of 32,508 officers
31% Accident

National Cause Distribution

How Accident compares to all causes of officer death in the memorial record. Mark Claude Featherstone'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 Mark Claude Featherstone Compares

Age at End of Watch
25
This officer
Avg for Accident: 38.1 years

When Accident Deaths Occur

Monthly distribution of Accident deaths across the full memorial record. Mark Claude Featherstone is highlighted in Apr.

Jan
820
Feb
730
Mar
748
Apr
707
May
847
Jun
795
Jul
897
Aug
937
Sep
913
Oct
925
Nov
872
Dec
897

Incident Location

Others Who Wore This Badge

1 officer from Calvert County Sheriff's Office are honored on badge.nw.