US MERCHANT MARINE
David Thomas Riggan
December 20, 1916—July 3, 2000
Life Timeline
83 years1916
Born
December 20, 1916
US MERCHANT MARINE
Service Record
World War II
World War II
Conflict
2000
Passed Away
July 3, 2000
Service Record
Verified fields from cemetery source data.
Branch
US MERCHANT MARINE
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more