Daniel C. O’Brien
- Brockton Fire Department
- Age: 45
- Year of Death: 1941
On March 10, 1941, Firefighter Daniel C. O’Brien was killed, along with 12 other Brockton firefighters, while fighting a fire in the Strand Theater when the roof collapsed.
This firefighter line of duty fatality occurred before the National Fallen Firefighters Memorial was built in Emmitsburg, Maryland. While this firefighter has not been officially honored at the Memorial site, there are plans to do so when resources are available.