Union Regimental Histories
Pennsylvania
2nd Regiment Heavy Artillery (112th Volunteers)
Organized at Philadelphia January 8. 1862. (Cos. "D," "G" and "H" ordered to Fort Delaware January 9, and duty there until March 19, 1862, when rejoined Regiment in Defenses of Washington.) Companies "A," "B," "C," "E," "F," "I" and "K" moved to Washington, D.C., February 25, 1862. Attached to Artillery Brigade, Military District of Washington, to August, 1862. Defenses of Washington north of the Potomac to October, 1862. 1st Brigade, Haskins' Division, Defenses north of the Potomac, to February, 1863. 1st Brigade, Haskins' Division, 22nd Army Corps, Dept. Washington, to March, 1864. 1st Brigade, DeRussy's Division, 22nd Corps, to May, 1864. 3rd Brigade, 2nd Division, 18th Army Corps, Dept. of Virginia and North Carolina, to December, 1864. Provisional Brigade, Defenses of Bermuda Hundred, Va., Dept. of Virginia and North Carolina, to April, 1865. 1st Brigade, Ferrero's Division, Dept. of Virginia, to May, 1865. Sub-District of the Blackwater, Dept. of Virginia, to January, 1866.
SERVICE.--Garrison duty in the Defenses of Washing north of the Potomac until May 27, 1864. (2 Independent Cos. Heavy Artillery assigned as Cos. "L" and "M" November 24, 1862.) Moved to Port Royal, Va., May 27-28, 1864, thence marched to Cold Harbor May 28-June 4. Battles about Cold Harbor June 4-12. Before Petersburg June 15-19. Siege operations against Petersburg and Richmond June 16, 1864, to April 2, 1865. In trenches before Petersburg until August 23, 1864. Mine Explosion, Petersburg, July 30. Duty on the Bermuda Hundred front until September. Weldon Railroad August 18-21. Chaffin's Farm, New Market Heights, September 28-30. Fair Oaks October 27-28 (Co. "G"). Ordered to Bermuda front December 2, and duty there until April, 1865. Fall of Petersburg April 2. Duty at Petersburg until May, and in counties of lower Virginia, Sub-District of the Blackwater, District of the Nottaway, until January, 1866. Mustered out at City Point, Va., January 29. 1866, and discharged at Philadelphia, Pa., February 16, 1866.
Regiment lost during service 5 Officers and 221 Enlisted men killed and mortally wounded and 5 Officers and 385 Enlisted men by disease. Total 616.
2nd Regiment Provisional Heavy Artillery
Organized April 20, 1864, from surplus men of the 2nd Regiment Heavy Artillery. Attached to Provisional Brigade, 1st Division, 9th Army Corps, Army Potomac, to June, 1864. 3rd Brigade, 1st Division, 9th Corps, June, 1864. 2nd Brigade, 1st Division, 9th Corps, to August. 1864.
SERVICE.---Campaign from the Rapidan to the James May 4-June 12. Battles of the Wilderness, Va., May 5-7; Spottsylvania May 8-21; North Anna River May 23-26. Line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Before Petersburg June 15-18. Siege of Petersburg until August 20. Mine Explosion, Petersburg, July 30. Regiment disbanded August 20, 1864, and rejoined original Regiment September 5, 1864.
3rd Regiment Heavy Artillery (152nd Volunteers)
Organized at Philadelphia by consolidation of Robert's Battalion Pennsylvania Heavy Artillery, assigned as Companies "C," "D" and "F"; Segebarth's Battalion Marine Artillery, assigned as Companies "A," "B," "G," "H," "K" and "L," and 1st Battalion Pennsylvania Heavy Artillery, assigned as Company "E." Two more Companies organized at Philadelphia as Companies "I" and "M." Regiment organized February 17, 1863, and ordered to Fortress Monroe, Va. Attached to Camp Hamilton, 7th Corps, Dept. of Virginia, to May, 1863. Fortress Monroe, Va., 7th Corps, to July, 1863. Fortress Monroe, Va., Dept. of Virginia and North Carolina, to May, 1864. District of Eastern Virginia to June, 1865. Fortress Monroe, Va., Dept. of Virginia, to November, 1865.
SERVICE.--Duty in the Dept. of Virginia entire term, with Headquarters at Fortress Monroe, Va. Detachments of all Companies but "H" served at times in Graham's Naval Brigade and participated in several engagements on the James, Chickahominy and Nansemond Rivers. Defense of Suffolk, Va., April 12-May 4, 1863 (Cos. "A," "B," "F" and "G"). A Detachment of Company "A" in action at Smithfield, N. C., February 1, 1864, and at siege of Plymouth, N. C., April 17-20, 1864, on Gunboat "Bombshell." Companies "D," "E" and "G" in Butler's operations on south side of James River against Petersburg and Richmond May, 1864, then at various redoubts and forts on the Bermuda Hundred front until May, 1865. Company "F" was in charge of Prison Camp at Camp Hamilton, near Fortress Monroe, September, 1863, to end of war. Company "I" served at Headquarters Army of the James in Appomattox Campaign and was present at Appomattox C. H. April 9, 1865; surrender of Lee and his army. Company "M" served as Siege Artillery, Army James, in siege operations against Petersburg and Richmond May, 1864, to May, 1865. Posted principally on the Bermuda Hundred front. Detachments of Companies "F" and "G" were in attack on and capture of Fort Fisher, N. C., January 15, 1865. Company "H" served detached at Baltimore, Md., entire term; was at Gettysburg, Pa., July 2-3, 1863. Companies "A" and "B" mustered out July 11, 1865; Company "H" July 25, 1865, and Regiment November 9, 1865.
Regiment lost during service 19 Enlisted men killed and mortally wounded and 1 Officer and 214 Enlisted men by disease. Total 234.
5th Regiment Heavy Artillery (204th Volunteers)
Organized at Pittsburg August and September, 1864. Ordered to Washington, D.C., September, 1864. Attached to District of Alexandria, 22nd Corps, to November, 1864. 1st Separate Brigade, 22nd Corps, to June, 1865.
SERVICE.--Duty in Northern Defenses of Washington, D. C., and along Manassas Gap Railroad, protecting supplies for Sheridan, and constantly engaged with Mosby. Action at. Salem October 4, 1864. Rectortown October 7. White Plains October 11. Destruction of Manassas Gap Railroad October and November. Duty in the Northern Defenses of Washington; 1st Battalion at Prospect Hill, 2nd Battalion at Vienna and 3rd Battalion at Fairfax C. H. Duty on Bull Run battlefield in spring of 1865, burying nearly 2,000 dead. Ordered to Pittsburg for muster out. Mustered out June 30, 1865.
Regiment lost during service 3 Enlisted men killed and 46 by disease. Total 49.
6th Regiment Heavy Artillery (212th Volunteers)
Organized at Pittsburg, Pa., September 15, 1864. Moved to Washington, D.C., September 17. Attached to 2nd Brigade, DeRussy's Division, 22nd Corps, to December, 1864. 1st Brigade, DeRussy's Division, 22nd Corps, to June, 1865.
SERVICE.---Guard Orange & Alexandria Railroad between Alexandria and Manassas, Va., September 29-November 17, 1864. Garrison Forts Marcy, Ward, Craig, Aeno, Albany and Lyon, Defenses of Washington, south of the Potomac, until June, 1865. Mustered out June 13, 1865.
Lost during service 2 Enlisted men killed and 44 by disease. Total 46.
Roberts' Battalion Heavy Artillery
Organized at Harrisburg and Philadelphia October 8 to November 14, 1862. Transferred to 3rd Pennsylvania Heavy Artillery February 17, 1863, as Companies "C," "D," "F" (which see).
Segebarth's Battery Marine Artillery
Organized at Philadelphia January 5, 1862, to January 31, 1863. Companies "A" and "B" duty at Fort Delaware until December, 1862. Transferred to 3rd Pennsylvania Heavy Artillery February 17, 1863, as Companies "A," "B," "G," "H," "K" and "L" (which see).
Commonwealth Independent Company Heavy Artillery
Organized at Philadelphia April 24, 1861. Duty at Fort Delaware. Mustered out August 5, 1861.
Ermentrout's Company Militia Heavy Artillery
Organized at Reading July 3, 1863. Mustered out August 26, 1863.
Guss' Battery Militia Light Artillery
Organized at West Chester July 1, 1863. Mustered out August 24, 1863.
Jones' Independent Company Heavy Artillery
Schooley's Independent Company Heavy Artillery
Tyler's Independent Battery Heavy Artillery
Organized at Pittsburg June 16, 1863. On duty at Harper's Ferry and other points in the Department of West Virginia. Mustered out January 28, 1864.
Woodward's Independent Company Heavy Artillery
Organized at Philadelphia July 9, 1863. Mustered out February 1, 1864.
Source - "A Compendium of the War of the Rebellion" by Frederick H. Dyer (Part 3)
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