US MARINE CORPS
John Joseph Cassidy Sr
September 25, 1935—December 2, 2019
SGT
Life Timeline
84 years1935
Born
September 25, 1935
US MARINE CORPS
Service Record
SGT
2019
Passed Away
December 2, 2019
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
SGT
Sourced from official cemetery data; last updated May 30, 2026.Learn more