U.S. Army
Dennis Mark Hennessy
January 18, 1954—June 11, 2008
Life Timeline
54 years1954
Born
January 18, 1954
US ARMY
Service Record
2008
Passed Away
June 11, 2008
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Sourced from official cemetery data; last updated May 30, 2026.Learn more