| Name | William Donnelly |
| Agency | Chicago Fire Department |
| Rank | Firefighter |
| Type of Firefighter | Career |
| Age Range | 46 to 50 |
| Sex | Male |
| Date of Birth | 0/0/0 |
| Date of Death | 6/10/1960 |
| 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 | 6/10/1960 |
| Incident Location | Industry/ Manufacturing |
| Incident Attribute | Fires |
On June 10, 1960, Chicago Fire Department Firefighter William Donnelly of Hook and Ladder 29 suffered a fatal heart attack in the line of duty while fighting a fire in a factory on Lake Street.
Citation:
“Fireman Suffers Fatal Heart Attack at Blaze,” Chicago Daily Tribune, June 11, 1960.