US MARINE CORPS
John D Mackay
March 4, 1942—April 21, 1999
Life Timeline
57 years1942
Born
March 4, 1942
US MARINE CORPS
Service Record
1999
Passed Away
April 21, 1999
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Sourced from official cemetery data; last updated May 30, 2026.Learn more