Thomas Casimer Devin (December 10, 1822 – April 4, 1878) was a

United States Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...

officer and general. He commanded

Union Union commonly refers to: * Trade union, an organization of workers * Union (set theory), in mathematics, a fundamental operation on sets Union may also refer to: Arts and entertainment Music * Union (band), an American rock group ** ''Un ...

cavalry Historically, cavalry (from the French word ''cavalerie'', itself derived from "cheval" meaning "horse") are soldiers or warriors who fight mounted on horseback. Cavalry were the most mobile of the combat arms, operating as light cavalry ...

during the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...

and during the

Indian Wars The American Indian Wars, also known as the American Frontier Wars, and the Indian Wars, were fought by European governments and colonists in North America, and later by the United States and Canadian governments and American and Canadian settle ...

Early life

Born in

New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...

to Irish immigrant parents, Devin was a house painter and partner in a paint and varnish company with his brother John for much of his early life, while also serving as a

lieutenant colonel Lieutenant colonel ( , ) is a rank of commissioned officers in the armies, most marine forces and some air forces of the world, above a major and below a colonel. Several police forces in the United States use the rank of lieutenant colone ...

in the New York State Militia.

Civil War

After the start of the Civil War, Devin formed his militia cavalry company into "Captain Devin's Independent Company" and served as its captain. Late that year, he became

Colonel Colonel (abbreviated as Col., Col or COL) is a senior military officer rank used in many countries. It is also used in some police forces and paramilitary organizations. In the 17th, 18th and 19th centuries, a colonel was typically in charge of ...

of the 6th New York Volunteer Cavalry, nicknamed the "2nd Ira Harris Guards", which he would lead for the next year. The regiment's first important service was in the Maryland Campaign of 1862. At the

Battle of Antietam The Battle of Antietam (), or Battle of Sharpsburg particularly in the Southern United States, was a battle of the American Civil War fought on September 17, 1862, between Confederate Gen. Robert E. Lee's Army of Northern Virginia and Union G ...

, one of its squadrons was involved in the first attacks of the day. At the

Battle of Fredericksburg The Battle of Fredericksburg was fought December 11–15, 1862, in and around Fredericksburg, Virginia, in the Eastern Theater of the American Civil War. The combat, between the Union Army of the Potomac commanded by Maj. Gen. Ambrose Burnsi ...

, Devin inherited command of

David McMurtrie Gregg David McMurtrie Gregg (April 10, 1833 – August 7, 1916) was an American farmer, diplomat, and a Union cavalry general in the American Civil War. Early life and career Gregg was born in Huntingdon, Pennsylvania. He was the first cousin of futu ...

's cavalry brigade, when the latter took charge of the brigade of

George Dashiell Bayard George Dashiell Bayard (December 18, 1835 – December 14, 1862) was a career soldier in the United States Army and a general in the Union Army in the American Civil War. He was wounded in the Battle of Fredericksburg and died the next day. Earl ...

, who had been killed by Confederate artillery fire. At the

Battle of Chancellorsville The Battle of Chancellorsville, April 30 – May 6, 1863, was a major battle of the American Civil War (1861–1865), and the principal engagement of the Chancellorsville campaign. Chancellorsville is known as Lee's "perfect battle" because h ...

in 1863, his small brigade was the only cavalry not detached for Brig. Gen.

George Stoneman George Stoneman Jr. (August 8, 1822 – September 5, 1894) was a United States Army cavalry officer and politician who served as the fifteenth Governor of California from 1883 to 1887. He was trained at West Point, where his roommate was Stonewall ...

's raid and he successfully led three Union Corps on the stealthy flanking march that preceded the battle. The men of the brigade repeatedly distinguished themselves in the heavy fighting of the battle. They suffered almost 200 casualties in the battle, higher losses than Union cavalry units had seen prior to that time. Devin also led his brigade in the

Battle of Brandy Station The Battle of Brandy Station, also called the Battle of Fleetwood Hill, was the largest predominantly cavalry engagement of the American Civil War, as well as the largest ever to take place on American soil. It was fought on June 9, 1863, aroun ...

(June 9, 1863), and took command of Brig. Gen.

John Buford John Buford, Jr. (March 4, 1826 – December 16, 1863) was a United States Army cavalry officer. He fought for the Union as a brigadier general during the American Civil War. Buford is best known for having played a major role in the first day o ...

's division while Buford commanded the entire right wing of the two-pronged attack on Confederate cavalry. While observing the skirmish line early in the fighting, Devin had his horse shot out from under him. At the

Battle of Gettysburg The Battle of Gettysburg () was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. In the battle, Union Major General George Meade's Army of the Po ...

, Devin's brigade served in Brig. Gen. Buford's cavalry division that began the battle on July 1, 1863. Devin had become a favorite of Buford's and his rugged leadership style lent him the nickname "Buford's Hard Hitter," while his own men like to refer to him as "Uncle Tommy". As the Confederate attacks began, Devin's brigade was screening the northwest and northern road approaches to Gettysburg, and successfully delayed the arrival of Jubal A. Early's division.

Friendly fire In military terminology, friendly fire or fratricide is an attack by belligerent or neutral forces on friendly troops while attempting to attack enemy/hostile targets. Examples include misidentifying the target as hostile, cross-fire while eng ...

from Union artillery on

Cemetery Hill Cemetery Hill is a landform on the Gettysburg Battlefield that was the scene of fighting each day of the Battle of Gettysburg (July 1–3, 1863). The northernmost part of the Army of the Potomac defensive " fish-hook" line, the hill is gently ...

caused most of his brigade to withdraw into the town of Gettysburg and they later skirmished with the Confederates as they entered the town. The two brigades of Buford's cavalry division present on the field on July 1 and 2 were withdrawn from the battlefield by Cavalry Corps commander

Alfred Pleasonton Alfred Pleasonton (June 7, 1824 – February 17, 1897) was a United States Army officer and major general of volunteers in the Union cavalry during the American Civil War. He commanded the Cavalry Corps of the Army of the Potomac during the Gett ...

on the afternoon of July 2. After Gettysburg, Devin continued to command a brigade and sometimes a division in the Cavalry Corps of the

Army of the Potomac The Army of the Potomac was the principal Union Army in the Eastern Theater of the American Civil War. It was created in July 1861 shortly after the First Battle of Bull Run and was disbanded in June 1865 following the surrender of the Confedera ...

. In the spring of 1864, he participated in the raid on

Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, California, ...

Judson Kilpatrick Hugh Judson Kilpatrick (January 14, 1836 – December 4, 1881) was an officer in the Union Army during the American Civil War, achieving the rank of brevet major general. He was later the United States Minister to Chile and an unsuccessful cand ...

's cavalry. In August he accompanied the Cavalry Corps to the

Shenandoah Valley The Shenandoah Valley () is a geographic valley and cultural region of western Virginia and the Eastern Panhandle of West Virginia. The valley is bounded to the east by the Blue Ridge Mountains, to the west by the eastern front of the Ridge- ...

, where they fought under

Maj. Gen. Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...

Philip Sheridan General of the Army Philip Henry Sheridan (March 6, 1831 – August 5, 1888) was a career United States Army officer and a Union general in the American Civil War. His career was noted for his rapid rise to major general and his close as ...

during the Valley Campaigns of 1864. Devin was wounded once during the war, a wound in the foot on August 16, 1864, at the fighting at either Guard Hill or Crooked Run (both in Virginia). When

Wesley Merritt Wesley Merritt (June 16, 1836December 3, 1910) was an American major general who served in the cavalry of the United States Army during the American Civil War, American Indian Wars, and Spanish–American War. Following the latter war, he became ...

became the Cavalry Corps commander, Devin inherited command of his division. On November 19, 1864, President

Abraham Lincoln Abraham Lincoln ( ; February 12, 1809 – April 15, 1865) was an American lawyer, politician, and statesman who served as the 16th president of the United States from 1861 until his assassination in 1865. Lincoln led the nation thro ...

appointed Devin

brigadier general Brigadier general or Brigade general is a military rank used in many countries. It is the lowest ranking general officer in some countries. The rank is usually above a colonel, and below a major general or divisional general. When appointed ...

of volunteers for his part in the

Battle of Cedar Creek The Battle of Cedar Creek, or Battle of Belle Grove, was fought on October 19, 1864, during the American Civil War. The fighting took place in the Shenandoah Valley of Northern Virginia, near Cedar Creek, Middletown, and the Valley Pike. Du ...

, to rank from October 19, 1864. The President submitted the nomination on December 12, 1864, and the U.S. Senate confirmed it on February 14, 1865.Eicher, John H., and

David J. Eicher David John Eicher (born August 7, 1961) is an American editor, writer, and popularizer of astronomy and space. He has been editor-in-chief of ''Astronomy'' magazine since 2002. He is author, coauthor, or editor of 23 books on science and American ...

, ''Civil War High Commands.'' Stanford: Stanford University Press, 2001. . p. 720 Devin was mustered out of the volunteer service on January 15, 1866. On January 13, 1866, President

Andrew Johnson Andrew Johnson (December 29, 1808July 31, 1875) was the 17th president of the United States, serving from 1865 to 1869. He assumed the presidency as he was vice president at the time of the assassination of Abraham Lincoln. Johnson was a Dem ...

nominated Devin for appointment to the

brevet Brevet may refer to: Military * Brevet (military), higher rank that rewards merit or gallantry, but without higher pay * Brevet d'état-major, a military distinction in France and Belgium awarded to officers passing military staff college * Aircre ...

grade of

major general Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...

of volunteers, to rank from March 13, 1865, and the U.S. Senate confirmed the appointment on March 12, 1866. President Johnson also appointed Devin brevet colonel in the

regular army A regular army is the official army of a state or country (the official armed forces), contrasting with irregulars, irregular forces, such as volunteer irregular militias, private armies, mercenary, mercenaries, etc. A regular army usually has the ...

for Fisher's Hill, to rank from March 2, 1867. On March 26, 1867, President Johnson nominated Devin for appointment to the brevet grade of brigadier general in the regular army for Sayler's Creek, to rank from March 2, 1867, and the U.S. Senate confirmed the appointment on April 5, 1867.

Postbellum career

Devin obtained a commission in the Regular Army after the Civil War under the provisions of the Army Act of 1866. This Act required that the officer ranks of the new infantry and cavalry regiments be filled by a certain percentage of officers from the Volunteer regiments raised during the Civil War. Ending the war as a Brigadier General and Brevet Major General, Devin became a Lieutenant Colonel and was assigned to the 8th U.S. Cavalry. Initially serving with part of the regiment in New Mexico, Devin assumed command of the Subdistrict of Prescott in Arizona in late 1867. In October 1877, he was one of the eight pallbearers at the funeral of

George Armstrong Custer George Armstrong Custer (December 5, 1839 – June 25, 1876) was a United States Army officer and cavalry commander in the American Civil War and the American Indian Wars. Custer graduated from West Point in 1861 at the bottom of his class, b ...

, along with Joseph B. Kiddoo and

Randolph B. Marcy Randolph Barnes Marcy (April 9, 1812 – November 22, 1887) was an officer in the United States Army, chiefly noted for his frontier guidebook, the ''Prairie Traveler'' (1859), based on his own extensive experience of pioneering in the west. This p ...

. Devin died of stomach cancer and exposure at his home in New York City, on sick leave from active duty, as Colonel of the

3rd U.S. Cavalry The 3rd Cavalry Regiment, formerly 3rd Armored Cavalry Regiment ("Brave Rifles") is a regiment of the United States Army currently stationed at Fort Hood, Texas. The regiment has a history in the United States Army that dates back to 19 May 1 ...

. Devin was initially interred in Calvary Cemetery on Long Island, but upon his wife's death in 1897, both were interred in

West Point Cemetery West Point Cemetery is a historic cemetery in the eastern United States, on the grounds of the U.S. Military Academy in West Point, New York. It overlooks the Hudson River, and served as a burial ground for Revolutionary War soldiers and early ...

(West Point, New York), near his old friend and commander John Buford.

Memorialization

On June 30, 1878, the United States Army established a temporary camp in southeastern Montana Territory during the building of the Fort Keogh-Deadwood Telegraph Line. The post was named "

Camp Devin Camp Devin was a temporary United States Army camp established on June 30, 1878 during the building of the Fort Keogh-Deadwood Telegraph Line. It was named for Brevet Major General Thomas C. Devin, and abandoned in late 1878. History On June 1, 1 ...

." It served as a base for part of the 9th U.S. Infantry until being abandoned later that year.

In popular media

Devin was portrayed by David Carpenter in the 1993 film '' Gettysburg'', based on Michael Shaara's novel, ''

The Killer Angels ''The Killer Angels'' is a 1974 historical novel by Michael Shaara that was awarded the Pulitzer Prize for Fiction in 1975. The book depicts the three days of the Battle of Gettysburg during the American Civil War, and the days leading up to it ...

''.

Notes

External links

* {{DEFAULTSORT:Devin, Thomas 1822 births 1878 deaths Military personnel from New York City People of New York (state) in the American Civil War Union Army generals United States Army personnel of the Indian Wars United States Army colonels Burials at West Point Cemetery