U.S. Army
John Gerard O'Leary
November 5, 1942—December 10, 2007
SSGT
Life Timeline
65 years1942
Born
November 5, 1942
US ARMY
Service Record
Vietnam War
Vietnam War
Conflict
SSGT
2007
Passed Away
December 10, 2007
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SSGT
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more