Roll of Honor

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Sheriff

Jake Mulder

O'Brien County Sheriff's Department — Primghar, IA

Cardiac

End of Watch January 25, 1956

Age 51

Tour of Duty 35 yrs

Badge S71-1

The Vigil Panel 91 ›

Gender Male

Incident Service The Sacrifice Department 1

Incident

Sheriff Jake Mulder suffered a fatal heart attack while he and his deputy struggled with an emotionally disturbed person. He and the deputy had gone to serve mental commitment papers on the man. Sheriff Mulder had served with the O'Brien County Sheriff's Department for five years and had previously served with the Sheldon Police Department for 30 years.

Survivors

He was survived by his wife, four sons, and daughter.

In Our Keeping

Permanent identifier: BO-US-IA-5AF6A8C9
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

35 years. You could have gone home.
Sheriff Mulder gave the O'Brien County Sheriff's Department 35 years. Still answering calls at the end.
Thank you for your service to the Primghar community. Gone but never to be forgotten.
Rest easy, Sheriff Mulder.

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

Agency

Department O'Brien County Sheriff's Department

Location Primghar, IA

Platform Identity ocso.obrien.ia.us.gov.nw

Service Record

End of Watch January 25, 1956

Tour of Duty 35 yrs

Age 51

Badge Number S71-1

Gender Male

Incident Details

Cause Cardiac

Weapon Person

Offender Not available

Sheriff Jake Mulder is one of 1,306 officers lost to cardiac events in the line of duty across the full record of this memorial — 4% of all 32,508 officers honored here.

In IA, 11 of 226 officers were lost to cardiac events in the line of duty — 4.9% of this state's fallen. That is 0.9 percentage points above the national rate of 4%.

At O'Brien County Sheriff's Department, 1 of 2 officers on record were lost to cardiac events in the line of duty — 50% of this agency's fallen.

O'Brien County Sheriff's Department

of 2 officers

50% Cardiac

IA — Statewide

of 226 officers

4.9% Cardiac

Nationwide

1,306

of 32,508 officers

4% Cardiac

National Cause Distribution

How Cardiac compares to all causes of officer death in the memorial record. Jake Mulder'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 Jake Mulder Compares

Age at End of Watch

This officer

Avg for Cardiac: 48.6 years

Years of Service

This officer

Avg for Cardiac: 15.6 years

Offender Outcome

Not available

When Cardiac Deaths Occur

Monthly distribution of Cardiac deaths across the full memorial record. Jake Mulder is highlighted in Jan.

Jan

124

Feb

105

Mar

Apr

116

May

115

Jun

Jul

Aug

104

Sep

109

Oct

121

Nov

113

Dec

111

Others Who Wore This Badge

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