US MARINE CORPS
Dudley B Sinclair Jr
August 20, 1926—June 24, 1999
CPL
Life Timeline
72 years1926
Born
August 20, 1926
US MARINE CORPS
Service Record
World War II
World War II
Conflict
CPL
1999
Passed Away
June 24, 1999
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
CPL
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more