Michael W. O'Brien

Chicago Police Department — Chicago, IL

Felonious

End of Watch November 11, 1885

Age 22

Tour of Duty 11 mo

Badge 389

The Vigil Panel 8 ›

Gender Male

Incident Service The Sacrifice Department 570

Incident

Officer Michael O'Brien was shot and killed by a shoemaker at 195 West Adams Street. Officer O'Brien heard gunfire coming from his shop and proceeded inside to investigate. He discovered the distraught shoemaker firing his pistol at the floor. Upon seeing the officer, he placed the gun against the officer's chest and fired killing Officer O'Brien instantly. The shoemaker then shot and killed himself.

Survivors

Officer Michael O'Brien served the Chicago Police Department for 11 months and was survived by his fiancée.

In Our Keeping

Permanent identifier: BO-US-IL-D51B894D
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.

Are you family? This record can be claimed and maintained by those who knew Michael. Claim this record.

This page is permanent and free. No fee to view it, no advertising, no tracking, and no account required. It will not be taken down.

Tributes

141 years is a long time for a name to go unread. Not today.
Patrolman O'Brien served with the Chicago Police Department.
Thank you for your service to the Chicago community. Gone but never to be forgotten.

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

Agency

Department Chicago Police Department

Location Chicago, IL

Platform Identity cpd.cook.il.us.gov.nw

Service Record

End of Watch November 11, 1885

Tour of Duty 11 mo

Age 22

Badge Number 389

Gender Male

Incident Details

Cause Felonious

Weapon Handgun

Offender committed suicide

Patrolman Michael W. O'Brien 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 IL, 842 of 1,318 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 63.9% of this state's fallen. That is 9.7 percentage points above the national rate of 54.2%.

At Chicago Police Department, 396 of 571 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 69.4% of this agency's fallen.

Chicago Police Department

396

of 571 officers

69.4% Felonious

IL — Statewide

842

of 1,318 officers

63.9% Felonious

Nationwide

17,623

of 32,508 officers

54.2% Felonious