4th Maryland Infantry (U)

== Regimental History and Service Record ==
 
 
 In Brief
Organized at Baltimore, Md., July and August, 1862. Left Baltimore for the Antietam, Md., September 18, 1862. Attached to Kenly's Maryland Brigade, Defenses of the Upper Potomac, 8th Army Corps, Middle Department, to March, 1863. 1st Brigade, 1st Division, 8th Army Corps, to June, 1863. Maryland Brigade, French's Division, 8th Army Corps, to July, 1863. 3rd Brigade, 3rd Division, 1st Army Corps, Army of the Potomac, to December, 1863. 2nd Brigade, 3rd Division, 1st Army Corps, to March, 1864. 3rd Brigade, 2nd Division, 5th Army Corps, to June, 1864. 2nd Brigade, 2nd Division, 5th Army Corps, to May, 1865.
SERVICE.--Defense of Williamsport, Md., September 20-21, 1862. Duty between Williamsport and Hagerstown until December 11. Moved to Maryland Heights December 11-12 and duty there until April 9, 1863. At Bolivar Heights to April 30. Moved to Grafton and Clarksburg, W. Va., April 30-May 1 to repel invasion. Operations against Jones and Imboden May 1-26. Reported at Maryland Heights May 26 and duty there until June 30. Retreat to Frederick, Md., June 30, and guard bridges on the Monocacy until July 6. 
* July 7, 1863 - Occupation of Maryland Heights, Maryland
* Joined 1st Army Corps near Boonsborough, Md., July 10. 
* July 10, 1863 - ** Skirmish at Maryland Heights, MarylandNot originally referenced in unit homepage but listed on Dyer summary
* July 12, 1863 - Skirmish near Funkstown, MarylandNot originally referenced in unit homepage but listed on Dyer summary
Pursuit of Lee to Warrenton, Va.. July 12-24. At Warrenton Junction July 25-27, and near Rappahannock Station August 4 to September 16. Advance to the Rapidan September 16-18. Bristoe Campaign October 9-22. Bristoe Station October 14. Haymarket October 19. Guard Orange & Alexandria Railroad October 24-November 23. Mine Run Campaign November 26-December 2. Duty near Culpeper until May, 1864. 
* Demonstration on the Rapidan February 6-7, 1864.
* May 4-June 12, 1864 - The Overland Campaign
** May 5-7, 1864 - Battle of the Wilderness, Virginia 
** May 8-21, 1864 - Battles of Spotsylvania Court House, Virginia
*** May 8, 1864 - Combat at Laurel Hill, Virginia
*** May 12, 1864 - Assault on the Salient at Spotsylvania Court House, Virginia
*** May 19, 1864 - Engagement at Harris Farm, Virginia
** May 22-26, 1864 - Operations on Line of the North Anna River, Virginia
*** May 25, 1864 - Engagement at Jericho Ford, Virginia
** May 26-28, 1864 - Operations on Line of the Pamunkey River, Virginia
** May 28-31, 1864 - Operations on Line of the Totopotomoy River, Virginia
** June 1-12, 1864 - Battles of Cold Harbor, Virginia
*** June 1-3, 1864 - Battle of Bethesda Church, Virginia
Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Jerusalem Plank Road, Weldon Railroad, June 22-24, 1864. Mine Explosion, Petersburg, July 30 (Reserve). Weldon Railroad August 18-21. Poplar Grove Church September 29-October 2. Yellow House October 2-5. Peeble's Farm October 7-8. Davis House October 8. Boydton Plank Road, Hatcher's Run, October 27-28. Warren's Raid on Weldon Railroad December 7-12. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Appomattox Campaign March 28-April 9. Boydton Plank Road and White Oak Road March 29-31. Five Forks April 1. Fall of Petersburg April 2. Pursuit of Lee April 3-9. Appomattox Court House April 9. Surrender of Lee and his army. March to Washington, D.C., May 1-12. Grand Review May 23. Mustered out May 31, 1865.
 
 
 1862
THE Fourth Regiment of Infantry, Maryland Volunteers, was organized at Baltimore, Md., in July and August, 1862, with the exception of Company E, which was recruited in Carroll County, Md.
The regiment consisted of nine companies, viz., Companies A, B, C, D, E, F, G, H and I. The regiment was recruited for three years. The Fourth Regiment was assigned to the celebrated Mary-
land Brigade of Infantry, commanded by General John R. Kenly. The regiment was hurried to the field, September 18, 1862, before it was fully completed, for the purpose of reinforcing the Army of the Potomac, under General McClellan, then on the Antietam.
The history of the Fourth Regiment from September, 1862, to the date of its muster out, May 31, 1865, formed a conspicuous part of the history of the Maryland Brigade. Upon the arrival of the Fourth Regiment with the Maryland Brigade, near Wiliamsport, Md., they assisted in expelling the enemy from Maryland.
Governor Curtain, of Pennsylvania, who had accompanied the hastily summoned Pennsylvania militia to the front, complimented the Maryland Brigade for their prompt action in relieving his hastily levied raw and undisciplined troops, and in promptly attacking the enemy.
The Fourth Regiment of Infantry, with the Maryland Brigade, after the Army of the Potomac crossed the Potomac into Virginia, occupied Maryland Heights, opposite Harper's Ferry, Va., and went into winter quarters in December, 1862.
 
 
 1863
In April, 1863, the Fourth Regiment, with the Maryland Brigade, left Harper's Ferry and proceeded to West Virginia to repel the raids made by Imboden and Jones' Brigades of Confederate Cavalry, who attempted to capture the large depots of supplies gathered for the use of the Federal armies. After a short campaign in West Virginia, the brigade re-embarked by rail for Harper's Ferry.
The valued services of the Maryland Brigade in this campaign evoked a complimentary letter to General John R. Kenly, commanding brigade, from General B. F. Kelly, commanding First Division, Eighth Army Corps, of which the following is an extract: "When the rebel generals, Jones and Imboden, in April last, threatened to overrun the entire State of West Virginia, your prompt movement, under orders to the support of General Roberts at Clarksburg, alone saved from destruction much valuable public property, as well as that of the Baltimore and Ohio Railroad. Your services afterwards, in aiding to drive the enemy from the State, were not less valuable and
deserve great praise."
On the 30th day of June, 1863, the Fourth Regiment, with the Maryland Brigade, marched to Frederick City, Md., and formed a part of General French's Division, with instructions to keep up communication between Washington and the Army of the Potomac, then moving to attack General Lee's Confederate Army, invading Pennsylvania.
On the 6th of July, 1863, the Fourth Regiment, with the First and Eighth Maryland Infantry Regiments, were ordered to make a forced march to, and recapture Harper's Ferry, which they did after a brisk engagement. 
On the 10th day of July, 1863, the Fourth Regiment, with the Maryland Brigade, joined the Army of the Potomac, and became the Third Brigade, Third Division, First Army Corps.
The Fourth Regiment marched with the Army of the Potomac to Warrenton, Va., in the latter part of July, 1863, and took an active part in the campaign that followed, under General Meade in Eastern Virginia, in the summer and autumn of 1863.
 
 
 1864
In March, 1864, the Fourth Regiment, with the Maryland Brigade, became the Third Brigade, Second Division, Fifth Army Corps.
On the 5th day of May, 1864, the Fourth Maryland Infantry Regiment, with the Maryland Brigade, took its place in line of battle at the Wilderness, Va., and actively participated in all of the ensuing battles, engagements, marches, sufferings and hardships incident to the movements of the Maryland Brigade, with the Army of the Potomac at the Wilderness, Spottsylvania, Petersburg, Weldon Railroad and Five Forks, until the final surrender at Appomattox, Va., April 9, 1865.
 
 
 1865
After the surrender of General Lee's Confederate Army at Appomattox, the Fourth Regiment marched to Arlington Heights, Va., where it was mustered out of the military service of the United States, May 31, 1865.
The casualties incurred by the Fourth Maryland Infantry Regiment during' the Civil War were as follows: Killed, 3 commissioned officers and 32 enlisted men ; total, 35 ; died of disease, etc., 1 commissioned officer and 72 enlisted men ; total 73, or an aggregate of 108 men.
The Fourth Regiment of Infantry during the war marched 1089 miles, and traveled by rail 649 miles, a total of 1738 miles.
In additition to the numerous engagements in which the Fourth Regiment of Infantry participated, the following named battles have been officially promulgated by the War Department, U. S. Army, in which this regiment bore an honorable part, viz.: Wilderness, Spottsylvania, North Anna, Tolopotomy, Bethesda Church, Petersburg, Hatcher's Run, Weldon Railroad, Chapel House. 
 
 
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== Regimental Roster ==
 
 
 Field and Staff Officers
 
 
 Company A
 
 
 Company B
 
 
 Company C
 
 
 Company D
 
 
 Company E
 
 
 Company F
 
 
 Company G
 
 
 Company H
 
 
 Company I
 
 
 Unassigned Recruits
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== Regiment Statistical Information ==
* Dyer: Regiment lost during service 3 Officers and 32 Enlisted men killed and mortally wounded and 1 Officer and 72 Enlisted men by disease. Total 108.
* MD Soruce: The casualties incurred by the Fourth Maryland Infantry Regiment during the Civil War were as follows: Killed, 3 commissioned officers and 32 enlisted men ; total, 35 ; died of disease, etc., 1 commissioned officer and 72 enlisted men ; total 73, or an aggregate of 108 men.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 762, 763, 932, 933, 934, 936, 937, 938, 939, 940, 941, 1234-1235)
* (Pages 154-178)
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