top of page
Maj. Gen. Truman Seymour





Born: September 24, 1824

Burlington, Vermont

Died: October 30, 1891

Florence, Italy




1846: 2nd Lieutenant

1848: Brevet Captain

1st Lieutenant

November 22, 1860: Captain

1861: Brevet Major

April 30, 1862: Brigadier General

September 1862: Brevet from Regular Army of Lieutenant Colonel

March 12, 1866: Brevet Major General

May 4, 1866: Brevet Brigadier General of U.S. Regular Army

August 24, 1865: Mustered out of Volunteers

November 1, 1876: Retired

Brig. Gen. Truman Seymour

1846: West Point Graduate - 19th out of 59

1846: Brevet 2nd Lieutenant and assigned to 1st U.S. Artillery

1846-1848: Mexican/American War

April 18, 1848: Battle of Cerro Gordo

August 19, 1848: Battle of Contreras

August 20, 1848: Battle of Churubusco

Brevetted Captain for performances at Contreras and Churubusco

Promoted to 1st Lieutenant

1850-1853: Assistant professor of drawing at West Point

1856-1858: Third Seminole War in Florida

November 22, 1860: Promoted to Captain

1860: Assigned to Fort Moultrie preparing for the upcoming war

April 1861: Battle of Fort Sumter - Commanded an artillery company in defense against the Southern barrage

For his actions, received the rank of Brevet Major

December 1861-March 1862: Commanded the 5th Regiment of Artillery and U.S. Corps of Instruction at Harrisburg, Pennsylvania

March 6, 1862-July 25, 1862: Chief of Artillery for Gen. George A. McCall's Division of Pennsylvania Reserves

April 5, 1862: Nominated for Brigadier General by President Lincoln. Appointment official on April 30, 1862.

Peninsula Campaign

Seven Days Battles

June 26, 1862: Battle of Mechanicsville

June 27, 1862: Battle of Gaines Mill

June 30, 1862: Battle of Glendale

July 1, 1862: Battle of Malvern Hill

After the Peninsula Campaign, the Pennsylvania Reserves joined the III Corps of the Army of Virginia

August 29-30, 1862: 2nd Battle of Bull Run

Maryland Campaign

September 14, 1862: Battle of South Mountain

September 17, 1862: Battle of Antietam

Received brevet from regular army of Lieutenant Colonel after South Mountain

Colonel after Antietam

January 8-April 23, 1863: Department of the South Chief of Staff

July 18, 1863: Attack on Fort Wagner. Seriously wounded by grapeshot. Saw little action for the rest of 1863.

Maj. Gen. Gilmore, commander of the Department of the South, placed Seymour in charge of the newly formed District of Florida

February 20, 1864: Battle of Olustee - While inflicting heavy casualties on the enemy (1,000 of 5,000), his unit received 2,000 casualties out of 5,500 men. Returned to Jacksonville, where he remained until March 28, 1864.

Returned to Virginia where he led Robert H. Milroy's former brigade as part of the 3rd Division of VI Corps in Battle of the Wilderness

Was captured in a flank attack by Brig. Gen. John B. Gordon

August 9, 1864: After his exchange, took command of the 3rd Division of VI Corps after Gen. Ricketts was wounded in the last stages of  the Shenandoah Valley

Final Battle of Petersburg

April 6, 1865: Battle of Saylor's Creek

April 9, 1865: Present at General Lee's surrender

January 13, 1866: President Johnson nominated Seymour for brevet grade of Major General of Volunteers effective March 13, 1865. Senate approved promotion on March 12, 1866

On April 10, 1866, was nominated for brevet Brigadier General of United States Regular Army effective March 13, 1865.

August 24, 1865: Mustered out of Volunteers, but stayed in Regular Army

Served in 5th U.S. Artillery

Commanded forts in Florida

1869-1870: Commander, Fort Warren, Massachusetts

1870-1875: Commander, Fort Preble, Maine

November 1, 1876: Retired

Boatner, Mark M. III. The Civil War Dictionary. New York: David McKay, 1967. p 733-734

Truman Seymour. 20 July 2019. web. 23 April 2020.

Warner, Ezra J. Generals in Blue Lives of the Union Commanders. Baton Rouge: Louisiana State, 1964. p 432-433

bottom of page