|Agency||Chicago Fire Department|
|Type of Firefighter||Career|
|Date of Birth||0/0/0|
|Date of Death||7/15/1917|
|Cause of Death||Stress/Overexertion , Contact/Exposure|
|Nature of Death||Heart attack , Burns|
|Attribute of Death||[not applicable]|
|Type of Duty||Firefighting operations|
On July 13, 1917, Chicago Fire Department Firefighter William J. O’Brien of Engine 22 was fatally injured in the line of duty while fighting a garage fire on Baton Street. O’Brien suffered gasoline burns and was treated at Alexian Brothers Hospital, but he died from his injuries on July 15.
“Fireman Burned by Gasoline,” Chicago Daily Tribune, July 14, 1917.
Obituary of William J. O’Brien, Chicago Daily Tribune, July 16, 1917.