| Name | John Daugherty |
| Agency | Chicago Fire Department |
| Rank | Deputy Fire Marshal |
| Type of Firefighter | Career |
| Age Range | 51 to 55 |
| Sex | Male |
| Date of Birth | 0/0/0 |
| Date of Death | 6/16/1968 |
| Cause of Death | Stress/Overexertion |
| Nature of Death | Heart attack |
| Attribute of Death | [not applicable] |
| Type of Duty | Firefighting operations |
| Incident Name | N/A |
| Incident City | Chicago |
| Incident State | IL |
| Incident Date | 6/16/1968 |
| Incident Location | Industry/ Manufacturing |
| Incident Attribute | Fires |
On June 16, 1968, Chicago Fire Department Fire Marshal John Vernon Daugherty died in the line of duty. A firefighter for more than thirty years, Daugherty suffered a heart attack while directing firefighters during a fire at a factory on Harrison Street.
Citations:
“Fire Marshal Daugherty, 59, Dies at Blaze,” Chicago Tribune, June 17, 1968.
Obituary of Vernon Daugherty, Chicago Tribune, June 19, 1968.