Private Joseph Thomas Mulhall, age 42, of the District of Columbia Fire Department, died on May 19, 1896, from injuries sustained in a collapse during the Commission House fire.
He was survived by his wife and five children.
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.