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Sean William Camiel DeMuynck


On Sunday, July 4, 2021, Firefighter Sean W. DeMuynck was operating at the scene of a residential fire when he was found unresponsive on the third floor of the single-family dwelling. Firefighter DeMuynck was treated and rushed by EMS to nearby Lankenau Hospital where he passed away in the early morning hours of Monday, July 5, 2021.

Fatality status is provisional and may change as USFA contacts State Fire Marshals to verify fatality incident information.

Department information

Lower Merion Fire Department/Penn Wynne-Overbrook Hills Fire Company
1440 Manoa RD
Wynnewood, Pennsylvania 19096

Chief: Edward “Ted” W. Schmid, III

Age: 35
Rank: Firefighter
Classification: Volunteer
Incident date: July 4, 2021 9:33 p.m.
Date of death: July 5, 2021
Cause of death: Unknown
Nature of death: Unknown
Activity type: Advance Hose Lines/Fire Attack (includes Wildland)
Emergency duty: Yes
Duty type: On-Scene Fire
Fixed property use: Residential

Last updated: February 02, 2022