The Army of Kentucky was a Confederate

Confederate States Army

The Confederate States Army was the army of the Confederate States of America while the Confederacy existed during the American Civil War. On February 8, 1861, delegates from the seven Deep South states which had already declared their secession from the United States of America adopted the...

 army during the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

.

The designation "Army of Kentucky" was given August 25, 1862 to the field army Kirby Smith

Edmund Kirby Smith

Edmund Kirby Smith was a career United States Army officer and educator. He served as a general in the Confederate States Army during the American Civil War, notable for his command of the Trans-Mississippi Department of the Confederacy after the fall of Vicksburg.After the conflict ended Smith...

 led into eastern Kentucky

Kentucky

The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

 during the Confederate Heartland Offensive

Confederate Heartland Offensive

The Confederate Heartland Offensive or Kentucky Campaign was a series of maneuvers and battles in East Tennessee and Kentucky in 1862 during the American Civil War...

. The army was drawn from troops of the Confederate Department of Eastern Tennessee, which had been created with Smith as commander in February 1862.

The army consisted of the infantry divisions

Division (military)

A division is a large military unit or formation usually consisting of between 10,000 and 20,000 soldiers. In most armies, a division is composed of several regiments or brigades, and in turn several divisions typically make up a corps...

 of Henry Heth

Henry Heth

Henry "Harry" Heth was a career United States Army officer and a Confederate general in the American Civil War. He is best remembered for inadvertently precipitating the Battle of Gettysburg, when he sent some of his troops of the Army of Northern Virginia to the small Pennsylvania village,...

, Patrick Cleburne

Patrick Cleburne

Patrick Ronayne Cleburne was an Irish American soldier, best known for his service in the Confederate States Army during the American Civil War, where he rose to the rank of major general....

, Thomas J. Churchill and Carter L. Stevenson

Carter L. Stevenson

Carter Littlepage Stevenson, Jr. was a career military officer, serving in the United States Army in several antebellum wars and then in the Confederate States Army as a general in the Western Theater of the American Civil War.-Early life and career:Stevenson was born to a prominent family in...

 and two small cavalry brigades under John Morgan

John Hunt Morgan

John Hunt Morgan was a Confederate general and cavalry officer in the American Civil War.Morgan is best known for Morgan's Raid when, in 1863, he and his men rode over 1,000 miles covering a region from Tennessee, up through Kentucky, into Indiana and on to southern Ohio...

 and John S. Scott. After the Battle of Perryville

Battle of Perryville

The Battle of Perryville, also known as the Battle of Chaplin Hills, was fought on October 8, 1862, in the Chaplin Hills west of Perryville, Kentucky, as the culmination of the Confederate Heartland Offensive during the American Civil War. Confederate Gen. Braxton Bragg's Army of Mississippi won a...

, Kirby Smith was promoted and given command of the Department of Trans-Mississippi, and army was incorporated into the Army of Tennessee

Army of Tennessee

The Army of Tennessee was the principal Confederate army operating between the Appalachian Mountains and the Mississippi River during the American Civil War. It was formed in late 1862 and fought until the end of the war in 1865, participating in most of the significant battles in the Western Theater...

.