3rd Maryland Infantry (U)

== Regimental History and Service Record ==
* Needs clarification
 
 
 In Brief
Organized at Baltimore and Williamsport, Md., June 18, 1861, to February 17, 1862. Companies "A," "B," "C," "D" and "H" organized at Baltimore August, 1861, to February 16, 1862. 4 Companies organized at Williamsport in summer of 1861; assigned as Companies "A," "B," "C" and "I." Original Companies "A," "B," "C" and "D" designated Companies "D," "E," "F" and "G." Companies "E," "F," "H" and "I" broken up May 11, 1862, and distributed among Companies "A," "B," "C," "D" and "G." 2 Companies recruited for 4th Maryland Infantry and assigned as Companies "E" and "H." 2 Companies recruited for Dix's Light Infantry and assigned as Companies "I" and "K." Company "F" organized October 15, 1862, at Euston, Md., for 9 months; assigned February, 1863, and mustered out September 2, 1863.
Regiment attached to Dix's Division, Baltimore, Md., to May, 1862. 1st Brigade, Sigel's Division, Dept. of the Shenandoah, to June, 1862. 2nd Brigade, 2nd Division, 2nd Corps, Pope's Army of Virginia, to August, 1862. 1st Brigade, 2nd Division, 2nd Army Corps, Army of Virginia, to September, 1862. 2nd Brigade, 2nd Division, 12th Army Corps, Army of the Potomac, to October, 1862. 2nd Brigade, 1st Division, 12th Army Corps, to May, 1863. 1st Brigade, 1st Division, 12th Army Corps, Army of the Potomac, to September, 1863, and Army of the Cumberland to April, 1864. (1st Brigade, 1st Division, 20th Army Corps, Army of the Cumberland, April to October, 1864. Non-Veterans.) Regiment, 2nd Brigade, 1st Division, 9th Army Corps, Army of the Potomac, April to June 1, 1864. 1st Brigade, First Division, 9th Army Corps, to July, 1864. 2nd Brigade, 1st Division, 9th Army Corps, to September, 1864. 3rd Brigade, 1st Division, 9th Army Corps, to July, 1865.
SERVICE.--Duty at Baltimore, Md., until May 24, 1862. Moved to Harper's Ferry, W. Va., May 24. Defense of Harper's Ferry May 28-30. Operations in the Shenandoah Valley until August. Battle of Cedar Mountain August 9. Pope's Campaign in Northern Virginia August 16-September 2. Fords of the Rappahannock August 21-23. Sulphur Springs August 24. Plains of Manassas August 28-29 (Reserve). Battle of Bull Run August 30 (Reserve). 
* September 3-20, 1862 - The Maryland Campaign
** September 17, 1862 - Battle of Antietam, Maryland
Duty at Bolivar Heights September 22 to December 10. Reconnaissance to Rippen, W. Va., November 9. Expedition to Winchester December 2-6. Moved to Fredericksburg December 10-14. At Stafford's Court House December 14, 1862, to April 27, 1863. "Mud March" January 20-24, 1863. 
* April 27-May 6, 1863 - The Chancellorsville Campaign
** May 1-5, 1863 - Battle of Chancellorsville, Virginia
* June 11-August 1, 1863 - The Gettysburg Campaign 
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania
Pursuit of Lee July 5-24. At Raccoon Ford until September. Moved to Brandy Station, thence to Bealeton and to Stevenson, Ala., September 24-October 4. Guard duty on Nashville & Chattanooga Railroad until April, 1864. 
* Veterans on furlough March and April. 
* May 1-September 8, 1864 - The Atlanta Campaign
** Demonstration on Rocky Faced Ridge May 8-11. 
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Near Cassville May 19. 
** Advance on Dallas May 22-25. 
** New Hope Church May 25. 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** Operations about Marietta and against Kenesaw Mountain June 10-July 2. 
** Pine Mountain June 11-14. 
** Lost Mountain June 15-17. 
** Gilgal or Golgotha Church June 15. 
** Muddy Creek June 17. 
** Noyes Creek June 19. 
** Kolb's Farm June 22. 
** Assault on Kenesaw June 27. 
** Ruff's Station, Smyrna Camp Ground, July 4. 
** Chattahoochie River July 5-17. 
** Peach Tree Creek July 19-20. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Operations at Chattahoochie River Bridge August 26-September 2. 
** September 2-November 15 - Occupation of Atlanta, Georgia
* Regiment joined 9th Army Corps, Army of the Potomac, April, 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 10, 1864 - Combat at Ny River, Virginia
*** May 12, 1864 - Assault on the Salient at Spotsylvania Court House, Virginia
** May 22-26, 1864 - Operations on Line of the North Anna River, Virginia
*** May 24, 1864 - Combat at Ox 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. Mine Explosion, Petersburg, July 30, 1864. Weldon Railroad August 18-21. Poplar Grove Church September 29-October 2. Boydton Plank Road, Hatcher's Run, October 27-28. Fort Steadman, Petersburg, March 25, 1865. Appomattox Campaign March 28-April 9. Assault on and fall of Petersburg April 2. Occupation of Petersburg April 3. March to Farmville April 3-9. Moved to Petersburg and City Point April 20-24, thence to Alexandria April 26-28. Grand Review May 23. Duty in the Dept. of Washington until July. Mustered out July 31, 1865.
 
 
 1861
THE Third Regiment of Infantry, Maryland Volunteers, was organized at Baltimore and Williamsport, Md., from June 18, 1861, to February 17, 1862, to serve three years. On the expiration of its term of service the original members (except veterans) were mustered out and the veterans and recruits consolidated into a battalion of four companies, and remained in the military service of the United States until July 31, 1865, when it was mustered out of service by reason of close of the Civil War and by order of the War Department.
The organization of this regiment was commenced at Baltimore, Md., in August, 1861, by Colonel J. C. McConnell, under special authority from the Secretary of War; five companies were raised and were known as Companies A, B, C and D; the fifth company being incomplete, was, upon completion, known as Company H.
 
 
 1862
On the 16th day of February, 1862, four companies of infantry, who had been enlisted in the summer of 1861, at Williamsport, Washington County, Md., many of whom were Union men and refugees from Berkley and Jefferson Counties, Va., were assigned to the Third Regiment of Infantry, and designated as Companies A, B, C and I (the latter company being incomplete). In consequence of this consolidation, the original Companies A, B, C and D became Companies D, E, F and G, respectively.
On the 11th of May, 1862, the companies bearing the designation of E, F, H and I were broken up, and the men were distributed among Companies A, B, C, D and G.
These discontinued companies were replaced by four companies recruited for the German Rifles or Fourth Maryland Infantry, and the Baltimore (or Dix's) Light Infantry, both of which had failed to perfect their organizations.
The Companies transferred from the Fourth Infantry were styled E and H, and those from the Dix Light Infantry I and K.
The regiment then comprised nine companies, namely, Companies A, B, C, D, E, G, H, I and K; a tenth company (F), composed of nine months' drafted men, organized October 15, 1862, at Easton, Md., was assigned to the regiment February, 1863. This company was mustered out of service Sept. 2, 1863.
John C. McConnell was the first colonel of the regiment.
On the 24th day of May, 1862, the Third Regiment of Infantry proceeded to Harper's Ferry, Va., then endangered by the advance of General (Stonewall) Jackson's Confederate Army, and was assigned to General N. P. Banks' army, subsequently better known as the Twelfth Army Corps. The regiment, with Banks' Division, participated in the severe battle of Cedar Mountain, Va., August 9, 1862, and all of the subsequent movements and engagements incident to the campaign under General Pope. 
The regiment, with the Twelfth Army Corps, participated in the Maryland campaign, under General McClellan, that culminated in the battle of Antietam, September 17, 1862, in which the Third Regiment of Infantry performed its duty nobly.
After the battle of Antietam the Third Regiment, with the Twelfth Army Corps, remained in the Shenandoah Valley of Virginia until the latter part of December, 1862, when it marched, with the Twelfth Army Corps, to Eastern Virginia, and was engaged in the battle of Chancellorsville, Va., May 1 to 3, 1863.
 
 
 1863
After the battle of Antietam the Third Regiment, with the Twelfth Army Corps, remained in the Shenandoah Valley of Virginia until the latter part of December, 1862, when it marched, with the Twelfth Army Corps, to Eastern Virginia, and was engaged in the battle of Chancellorsville, Va., May 1 to 3, 1863.
At the time of the invasion of the States of Maryland and Pennsylvania in 1863, the regiment, with the Twelfth Army Corps, were actively engaged, and at the battle of Gettysburg, July 1st, 2nd and 3rd, 1863, the regiment acted splendidly.
The Third Regiment, with the Twelfth Army Corps, were transferred to the western armies, operating in the State of Tennessee in the winter of 1863-64, and aided in the relief of Chattanooga, Tenn., that was so closely beleaguered by the Confederate Army, under General Bragg, prior to the arrival of the Eleventh and Twelfth Army Corps, transferred from the Army of the Potomac, after the defeat of Bragg's Army and the expulsion of the Confederate Armies from the State of Tennessee.
 
 
 1864
The original members of the regiment who had seen two years' service, veteranized in February, 1864, re-enlisted for the war. Upon the expiration of its veteran furlough in April, 1864, the 3d Regiment of Infantry was assigned to the 2d Brigade, 1st Division, 9th Army Corps, Army of the Potomac, and continued with the 9th Army Corps until the close of the war.
The 3d Regiment of Infantry participated in all of the campaigns under General Grant, commencing at the battle of the Wilderness, Va., May 5 to 7, 1864, and, ending at the surrender of General Lee's army at Appomattox, Va., April 9, 1865.
 
 
 1865
The 3d Regiment was actively engaged in the battles of Spottsylvania, Va., May 16 to 20, 1864; assault on Petersburg, Va., 1864-1865; the battle of the Crater, July 30, 1864, and the final capture of Petersburg, Va., April 3, 1865.
The casualties in the 3d Regiment of Infantry during the war were as follows : Killed, eight officers and eighty-three enlisted men—total, ninety-one; died of disease, four commissioned officers and one hundred and thirty enlisted men—total, one hundred and thirty-four; or an aggregate death list of two hundred and twenty-five.
The 3d Regiment of Infantry served in Dix's Division, Army of the Potomac, from muster in to March, 1862; Middle Department, 8th Army Corps, to May 24, 1862; 1st Brigade, Sigel's Division, Department of the Shenandoah, to July, 1862; 1st Brigade, Second Division, 2d Corps, Army of Virginia, to August, 1862; 2d Brigade, Second Division, Second Corps, Army of Virginia, to September, 1862; 2d Brigade, Second Division, 12th Army Corps, to March, 1863; 3d Brigade, First Division, 12th Army Corps, to May, 1863; 1st Brigade, First Division, 12th Arrny Corps, to April 25, 1864; 2d Brigade, First Division, 9th Army Corps, to September 1, 1864; 3d Brigade, First Division, 9th Army Corps, to July, 31, 1865.
The 3d Regiment of Infantry marched 1771 miles during the Civil War, and it traveled by rail two thousand nine hundred and three miles; by boat, two hundred and eighty-nine miles ; total distance, four thousand nine hundred and sixty-three miles. 
After the surrender of Lee's Army at Appomattox. the 3d Regiment, Veteran Battalion, proceeded to Arlington Heights, Va., where it was mustered out of the military service of the United States July 31, 1865.
In addition to the numerous skirmishes and engagements in which the 3d Regiment of Infantry participated, the following comprises the official battle list promulgated by the War Department, U. S. Army, viz.: Cedar Mountain, Antietam, Chancellorsville, Gettysburg, Wilderness, Spottsylvania, North Anna, Cold Harbor, Petersburg, Poplar Spring Church. 
 
 
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== Regimental Roster ==
 
 
 Field and Staff Officers
 
 
 Regimental Band
 
 
 Company A
 
 
 Company B
 
 
 Company C
 
 
 Company D
 
 
 Company E
 
 
 Company F
 
 
 Company G
 
 
 Company H
 
 
 Company I
 
 
 Company K
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== Regiment Statistical Information ==
* Dyer: Regiment lost during service 8 Officers and 83 Enlisted men killed and mortally wounded and 4 Officers and 130 Enlisted men by disease. Total 225.
* MD: The casualties in the 3d Regiment of Infantry during the war were as follows : Killed, eight officers and eighty-three enlisted men—total, ninety-one; died of disease, four commissioned officers and one hundred and thirty enlisted men—total, one hundred and thirty-four; or an aggregate death list of two hundred and twenty-five.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 703, 705, 707, 715, 719, 760, 827, 905, 916, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 1234)
* (Pages 110-153)
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