US MARINE CORPS
John J Mahoney Jr
June 11, 1920—July 6, 2007
SSGT
Life Timeline
87 years1920
Born
June 11, 1920
US MARINE CORPS
Service Record
World War II
World War II
Conflict
SSGT
2007
Passed Away
July 6, 2007
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
SSGT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more