US MARINE CORPS
John Michael Riordan
August 11, 1939—October 27, 2001
PFC
Life Timeline
62 years1939
Born
August 11, 1939
US MARINE CORPS
Service Record
PFC
2001
Passed Away
October 27, 2001
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
PFC
Sourced from official cemetery data; last updated May 30, 2026.Learn more