US NAVY
David Alan Duffy
May 29, 1959—July 25, 2020
MM3
Life Timeline
61 years1959
Born
May 29, 1959
US NAVY
Service Record
MM3
2020
Passed Away
July 25, 2020
Service Record
Verified fields from cemetery source data.
Branch
US NAVY
Rank
MM3
Sourced from official cemetery data; last updated May 30, 2026.Learn more