| Name | Henry Kleversaat |
| Agency | Chicago Fire Insurance Patrol |
| Rank | Firefighter |
| Type of Firefighter | Fire Patrol |
| Age Range | 46 to 50 |
| Sex | Male |
| 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 |
| Incident Name | N/A |
| Incident City | Chicago |
| Incident State | IL |
| Incident Date | 7/10/1940 |
| Incident Location | Firehouse |
| Incident Attribute | [Not applicable] |
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.
Citations:
Obituary of Henry Kleversaat, Chicago Daily Tribune, July 12, 1940.