U.S. Army
Helmer O E Mattson
July 25, 1918—January 7, 2011
T SGT
Life Timeline
92 years1918
Born
July 25, 1918
US ARMY
Service Record
World War II
World War II
Conflict
T SGT
2011
Passed Away
January 7, 2011
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
T SGT
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more