|Agency||Chicago Fire Insurance Patrol|
|Type of Firefighter||Fire Patrol|
|Age Range||46 to 50|
|Date of Birth||0/0/0|
|Date of Death||7/10/1940|
|Cause of Death||Stress/Overexertion|
|Nature of Death||Heart attack|
|Attribute of Death||[not applicable]|
|Type of Duty||Firehouse duties|
On July 10, 1940, Henry Kelversaat, a thirty-two year veteran of the Chicago Fire Insurance Patrol, suffered a fatal heart attack while on duty at the Main Fire Alarm Office.
Funeral services for Kelversaat were held on July 13, and he was interred at St. Lucas Cemetery.
Obituary of Henry Kleversaat, Chicago Daily Tribune, July 12, 1940.