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.
Aaron Simon Daggett was a career United States Army officer. He was the last surviving brevet Union general of the American Civil War, and the last surviving general of any grade from the war, when he died exactly one month shy of his 101st birthday in 1938. Daggett was nominated for appointment to the grade of brevet brigadier general, to rank from March 13, 1865, by President Andrew Johnson on February 21, 1866 and was confirmed by the United States Senate on April 10, 1866. During the war, Daggett fought at West Point, Gaines' Mill, Golding's Farm, White Oak Swamp, Second Bull Run, South Mountain, Antietam, Rappahannock Station, Fredericksburg, Battle of Gettysburg, Battle of Mine Run, Battle of the Wilderness and Battle of Cold Harbor. Daggett was a brigadier general of volunteers in the Spanish–American War. He was appointed to the brigadier general grade to rank from September 1, 1898 and was mustered out of the volunteers on November 30, 1898. He was promoted to brigadier general in the Regular Army ten days before his retirement from the army on March 2, 1901.
William Cogswell was a U.S. Representative from Massachusetts and a colonel in the Union Army during the American Civil War who was appointed to the grade of brevet brigadier general, U.S. Volunteers.
Samuel Miller Quincy was the 28th mayor of New Orleans and a Union Army officer during the American Civil War.
George Zinn was a Union Army officer during the American Civil War. President Andrew Johnson nominated him on January 13, 1866 for appointment to the grade of brevet brigadier general of volunteers, to rank from April 6, 1865, and the United States Senate confirmed the appointment on March 12, 1866.
William H. Blair was a Union Army captain and company commander in the 51st Pennsylvania Volunteer Infantry Regiment, and a colonel and commander of the 179th Pennsylvania Volunteer Infantry Regiment during the American Civil War. After his service, he was appointed to the grade of Brevet brigadier general in recognition of his service at the Battle of Antietam.
Caspar Crowninshield was a volunteer officer in the Union Army during the American Civil War.
Joseph Cushing Edmands was a volunteer soldier in the Union Army during the American Civil War who attained the grade of colonel and in 1866 was awarded the honorary grade of brevet brigadier general.
Charles Eberhard Salomon was a German American immigrant, surveyor, and civil engineer. He served as a colonel in the Union Army during the American Civil War and received an honorary brevet to brigadier general after the war. He was a brother of Wisconsin's wartime governor Edward Salomon.
Samuel King Vaughan was an American businessman and Wisconsin pioneer. He served as a Union Army officer throughout the American Civil War and was granted an honorary brevet to brigadier general. After the war, he served a term as sheriff of Columbia County, Wisconsin.
Abram Calvin Wildrick was a career United States Army officer who served in the Union Army during the American Civil War. In 1866, he was nominated and confirmed for appointment to the grade of brevet brigadier general of volunteers to rank from April 2, 1865.
Jules C. Webber was a lieutenant colonel in the Union Army during the American Civil War.
Ansel Dyer Wass was a Union Army officer during the American Civil War. Wass was born in Addison, Maine on November 12, 1832.
John Gibson Wright was a Union Army officer during the American Civil War.
Orpheus Saeger Woodward was a Union Army officer during American Civil War.
Oliver Wood was a Union Army colonel during the American Civil War.
William Tecumseh Wilson was a Union Army officer during the American Civil War.
Daniel Day Wiley was a Union Army officer during the American Civil War.
Joseph Messer Clough was a Union Army lieutenant colonel during the American Civil War, who was appointed and confirmed to the grade of brevet brigadier general of volunteers in 1866.
Adrian Rowe Root was an American commission merchant, warehouse executive, newspaper editor and military officer in the Union Army during the American Civil War. He served as brigade commander for much of the war but his highest actual substantive grade was colonel. His March 2, 1865 nomination for appointment as brevet brigadier general of volunteers to rank from March 2, 1865, was confirmed by the United States Senate on March 9, 1865. His January 13, 1866 nomination for appointment as a brevet major general of volunteers, to rank from March 13, 1865, was confirmed by the U.S. Senate on March 12, 1866.
United States 
