Wager Swayne was a Union Army colonel during the American Civil War and was appointed as the last major general of volunteers of the Union Army. Swayne received America's highest military decoration the Medal of Honor for his actions at the Second Battle of Corinth. He also was effectively the military governor of Alabama from March 2, 1867 to July 14, 1868 after the passage of the first Reconstruction Act by the U.S. Congress until Alabama was readmitted to the Union. Robert M. Patton remained the nominal governor during this period but as the local army commander, Swayne controlled the State government. During the Reconstruction era, Swayne oversaw the Freedmen's Bureau in Alabama and helped establish schools for African Americans in the state. He was the first person born after Alabama statehood, to govern the state.
Edward Selig Salomon was a German Jew who immigrated to the United States and served as a lieutenant colonel in Union in the American Civil War. After nomination for appointment to the grade of brevet brigadier general of volunteers to rank from March 13, 1865, by President Andrew Johnson on January 13, 1866, the United States Senate confirmed the appointment on March 12, 1866. Salomon later became governor of Washington Territory and a California legislator.
Edward Salomon was a Jewish American politician and the 8th Governor of Wisconsin, having ascended to office from the Lieutenant Governorship after the accidental drowning of his predecessor, Louis P. Harvey. He was the first Jewish Governor of Wisconsin.
Edmund Jackson Davis was an American lawyer, soldier, and politician. Davis was a Southern Unionist and a general in the Union Army in the American Civil War. He also served as the 14th Governor of Texas from 1870 to 1874, during the Reconstruction era. Reviled by many Texans during and after the Civil War as a traitor for his open support for the North and his attempts to break up Texas into several Northern-controlled states, Davis is known for leasing prisoners to private corporations to alleviate state budget shortfalls.
Giles Alexander Smith, was a general in the Union Army during the American Civil War.
John Lourie Beveridge was the 16th Governor of Illinois, serving from 1873 to 1877. He succeeded the recently elected Richard J. Oglesby, who resigned to accept a Senate seat. Beveridge previously served in the Army during the American Civil War, becoming colonel of the 17th Illinois Cavalry in 1864. He was brevetted to brigadier general in March 1865.
Richard Yates was the Governor of Illinois during the American Civil War and has been considered one of the most effective war governors. He took energetic measures to secure Cairo and St. Louis against rebel attack. Nicknamed the "Soldiers' Friend", he helped organize the Illinois contingent of Union soldiers, including commissioning Ulysses S. Grant as a colonel for an Illinois regiment. He supported the Emancipation Proclamation. He also represented Illinois in the United States House of Representatives (1851–1855) and in the U.S. Senate (1865–1871). As a Senator, he voted and spoke in favor of removing President Andrew Johnson from office. He was a Whig and then a Republican.
John Irvin Gregg was a career U.S. Army officer. He fought in the Mexican–American War and during the American Civil War as a colonel and near the end of the war as a brevet general in the Union army. In 1866, he was nominated and confirmed as a brevet major general of volunteers and a brevet brigadier general in the Regular Army, both to rank from March 13, 1865.
Fitz Henry Warren was a politician and a Union Army general during the American Civil War.
Charles Camp Doolittle was a store clerk, general in the Union Army during the American Civil War, and a bank cashier.
Philip Sidney Post was an American diplomat, politician, and decorated Army officer. He served as a United States Representative from Illinois for eight years, from 1887 to 1895. During the American Civil War, he was a Union Army officer and earned the Medal of Honor.
Frans Oscar Malmborg, a veteran of the Mexican War, became famous for his ostentatious manner in training recruits for the American Civil War, primarily the 55th Illinois Volunteer Infantry Regiment in which he served.
Richard Coulter, Sr. was an American Civil War Colonel and brevet brigadier general of volunteers in the Union Army, a businessman, and banker. During the Civil War he was colonel of the 11th Pennsylvania Infantry, often rising to brigade command upon the wounding of superior officers. In 1866, he was nominated and confirmed as a brevet major general of volunteers to rank from April 1, 1865.
Isaac Campbell Pugh was a United States volunteer soldier who was a veteran of the Black Hawk War, the Mexican–American War and the American Civil War; rising to the rank of Brevet brigadier general.
John Dunlap Stevenson was an American attorney, politician, and soldier in the U.S. Army in two wars. He was a brigadier general of volunteers during the American Civil War. In 1866 he was nominated and confirmed for appointment as brevet major general of volunteers.
Joseph Dana Webster was a United States civil engineer and soldier most noted for administrative services during the American Civil War, where he served as chief of staff to both Ulysses S. Grant and William T. Sherman.
John Hanks was Abraham Lincoln's first cousin, once removed, his mother's cousin. He was the son of William, Nancy Hanks Lincoln's uncle and grandson of Joseph Hanks.
During the American Civil War, the state of Illinois was a major source of troops for the Union Army, and of military supplies, food, and clothing. Situated near major rivers and railroads, Illinois became a major jumping off place early in the war for Ulysses S. Grant's efforts to seize control of the Mississippi and Tennessee rivers. Statewide, public support for the Union was high despite Copperhead sentiment.
William J. Bross was an American politician and publisher originally from the New Jersey–New York–Pennsylvania tri-state area. He was also elected as the 16th Lieutenant Governor of Illinois.
Gustavus Adolphus Smith was a prosperous carriage maker in Decatur, Illinois before the American Civil War. He was a volunteer Union Army colonel from the beginning of the war until September 22, 1863 and from February 28, 1865 until December 14, 1865. After the end of the war, on January 13, 1866, President Andrew Johnson nominated Smith for appointment to the grade of Brevet brigadier general of volunteers, to rank from March 13, 1865. The United States Senate confirmed the appointment on March 12, 1866. Starting in 1870, Smith was a collector of internal revenue in New Mexico.
Major General 
