(1801–69) Union army officer, born in Boston, Massachusetts. Barnes was the colonel of the 18th Massachusetts Infantry in the Peninsular, Bull Run, and Maryland campaigns (1861–62). He was promoted to brigadier general of volunteers in 1862 and commanded a brigade in the 5th Corps at Fredericksburg (1862) and Chancellorsville (1863). At Gettysburg (1863), Barnes led his division into the “wheatfield” on July 2, where it saw severe fighting.
From The Oxford Essential Dictionary of the U.S. Military in Oxford Reference.
Subjects: Warfare and Defence.