U.S. Army
Keith W Mainquist
October 18, 1921—December 10, 2013
TEC 4
Life Timeline
92 years1921
Born
October 18, 1921
US ARMY
Service Record
World War II
World War II
Conflict
TEC 4
2013
Passed Away
December 10, 2013
Service Record
Verified fields from cemetery source data.
Branch
US ARMY
Rank
TEC 4
War / Conflict
World War II
Sourced from official cemetery data; last updated May 30, 2026.Learn more