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Police Officer

Thomas P. Mulrooney

St. Louis Metropolitan Police Department — St. Louis, MO

Veteran → Felonious

End of Watch April 20, 1956

Age 66

Tour of Duty 36 yrs

The Vigil Panel 202 · Column 3 · Line 9 ›

Gender Male

Incident Media Service The Sacrifice Military Memorials 1 Also Remembered Department 175

Incident

Police Officer Thomas Mulrooney succumbed to a gunshot wound sustained one month earlier when he interrupted a robbery in progress at a local tavern at the intersection of Ninth Street and Mullanphy Street. He and his partner noticed a car with an open door in-front of the tavern. The officers closed the door and then went inside to tell the owner. As they entered two suspects were in the process of robbing the place and yelled at the officers to stop. Officer Mulrooney ran at the suspect as he opened his raincoat to get his revolver. During the ensuing the struggle the suspect's shotgun discharged, striking Officer Mulrooney in the upper thigh. Both suspects fled but were later apprehended. Officer Mulrooney struggled for his life for over one month before contracting blood poisoning, causing his death. Both suspects, 20 and 22, were convicted of murder and sentenced to life. One was paroled in 1974. On December 2, 1974, he was shot and killed by a customer as he and another man were attempting to rob a St. Louis restaurant. Officer Mulrooney was a WWI veteran and had been with the agency for 36 years.

Survivors

He was survived by his wife and children.

In Our Keeping

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Added to badge.nw: August 2, 2026
Last updated: August 2, 2026

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Tributes

36 years. You could have gone home.
Police Officer Mulrooney gave the St. Louis Metropolitan Police Department 36 years. Still answering calls at the end.
Thank you for your service to the St. Louis community. Gone but never to be forgotten.
Rest easy, Police Officer Mulrooney.

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

Agency

Department St. Louis Metropolitan Police Department

Type Police Department

Location St. Louis, City of Saint Louis, MO

Platform Identity stlopd.saintlouis.mo.us.gov.nw

Service Record

End of Watch April 20, 1956

Tour of Duty 36 yrs

Age 66

Gender Male

Incident Details

Cause Felonious

Weapon Shotgun

Military Service

Thomas P. Mulrooney served in the the United States military before joining law enforcement.

View full service record on salute.nw →

The Sacrifice · Felonious

Thomas is one of 15,743 officers killed feloniously in the United States, 57.1% of the 27,552 remembered there.

34,103 officers are remembered on this memorial. Each number below is one of them.

Compare against

Time

In 1956, 47 officers in the United States were killed feloniously, the 141st heaviest of 213 years on record. The heaviest was 1921, with 248.

Every year on record · United States

Who

Thomas was 66. Of the 14,219 killed feloniously in the United States whose age is recorded, half were between 31 and 47; the middle age was 38. Thomas had served 36 years; the middle length of service was 6 years.

Age at death

Where he stood among them

Age by years of service

III

When

April holds 8.4% of these deaths in the United States; December holds the most, 9.4%. Fridays: 14.3%.

By month

By day of the week

How

Felonious deaths account for 57.1% of all 27,552 deaths in the United States, the most common cause. The weapon recorded was shotgun, in 7% of these deaths.

Every cause

Weapons recorded