U.S. Army
Sidney Owen Willoughby
November 17, 1935—March 25, 2016
SSG
Life Timeline
80 years1935
Born
November 17, 1935
US ARMY
Service Record
Vietnam War
Vietnam War
Conflict
SSG
2016
Passed Away
March 25, 2016
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
SSG
War / Conflict
Vietnam War
Sourced from official cemetery data; last updated May 30, 2026.Learn more