U.S. Army
Jacob M Hefner
July 31, 1919—December 14, 2003
M SGT
Life Timeline
84 years1919
Born
July 31, 1919
US ARMY
Service Record
World War II
World War II
Conflict
M SGT
2003
Passed Away
December 14, 2003
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
M SGT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more