John Baillie McIntosh
Born	(1829-06-06)June 6, 1829 Fort Brooke (Tampa),Florida Territory
Died	June 29, 1888(1888-06-29) (aged 59) New Brunswick,New Jersey
Place of burial	Elmwood Cemetery, North Brunswick, New Jersey
Allegiance	United States of America Union
Branch	United States Navy  United States Army Union Army
Years of service	1848-1850 (Navy) 1861-1870 (Army)
Rank	Midshipman Brigadier General BrevetMajor General
Unit	2nd U.S. Cavalry
Commands	3rd Pennsylvania Cavalry 2nd Brigade, 2nd Division,Cavalry Corps,Army of the Potomac 1st Brigade, 2nd Division, Cavalry Corps, Army of the Potomac 1st Brigade, 3rd Division, Cavalry Corps, Army of the Potomac
Battles / wars	Mexican-American War American Civil War

John Baillie McIntosh (June 6, 1829 – June 29, 1888) was aUnion Armybrigadier general during theAmerican Civil War. His brother,James M. McIntosh, served as aConfederate general until he was killed in theBattle of Pea Ridge.

McIntosh was born at Fort Brooke (Tampa),Florida Territory, while his father was on active duty in the Army. He served as amidshipman in theUnited States Navy during theMexican–American War, and resigned in 1850. Thereafter, McIntosh was in business inNew Brunswick, New Jersey.

At the outbreak of the Civil War, he was commissioned asecond lieutenant in the 2nd U.S. Cavalry. He was promoted tofirst lieutenant in April 1862 and served in theSeven Days Battles and theBattle of Antietam, receiving promotion tomajor between the battles. McIntosh was commissionedcolonel of the3rd Pennsylvania Cavalry on November 15, 1862. In that role he rose to brigade command in theCavalry Corps of theArmy of the Potomac. He led his brigade in the campaign culminating in theBattle of Chancellorsville, winning plaudits from division commanderBrig. Gen.William W. Averell.

WhenMaj. Gen.Alfred Pleasonton reorganized the Cavalry Corps following theBattle of Brandy Station, McIntosh became a brigade commander in the second division led by Brig. Gen.David McM. Gregg. McIntosh was ill after Chancellorsville, but he was present when Gregg's division fought at theBattle of Gettysburg. He distinguished himself in thefight againstJ.E.B. Stuart on East Cavalry Field on July 3, 1863. When a Confederate attack led by Maj. Gen.Wade Hampton was at its height, McIntosh led some of his men in a flank attack on the attacking troopers.^[1] McIntosh was injured by a fall from a horse in September 1863; and, after recovering from his injury, he was on duty in the defenses ofWashington, D.C., inXXII Corps until May 1864.

McIntosh returned to the Army of the Potomac in time to be assigned a brigade in the third cavalry division of Brig. Gen.James H. Wilson during theBattle of the Wilderness. He continued in command in the operations of Maj. Gen.Philip Sheridan, including the beginning of the latter'sShenandoah Valley Campaign. McIntosh lost a leg because of a wound he received at theThird Battle of Winchester on September 19, 1864. Later he receivedbrevet promotions of the ranks of major general, U. S. Volunteers, brigadier general, U.S. Army (regular army), and major general, U.S. Army. He retired from the army in 1870.

McIntosh died in New Brunswick. He is buried in theElmwood Cemetery.

• List of American Civil War generals (Union)

• Eicher, John H., andEicher, David J.,Civil War High Commands, Stanford University Press, 2001,ISBN 0-8047-3641-3.
• Longacre, Edward G.,The Cavalry at Gettysburg, Lincoln, Nebraska: University of Nebraska Press, 1993,ISBN 0-8032-7941-8.
• Warner, Ezra J.,Generals in Blue, Baton Rouge: Louisiana State University Press, 1964,ISBN 0-8071-0822-7.

• John Baillie McIntosh atFind a Grave

• United States Navy personnel of the Mexican–American War
• Union army generals
• People of New Jersey in the American Civil War
• Military personnel from Tampa, Florida
• 1829 births
• 1888 deaths
• Lawrenceville School alumni
• Moravian University alumni
• Burials at Elmwood Cemetery (North Brunswick, New Jersey)

• Articles with short description
• Short description is different from Wikidata