# 27th New York Infantry Regiment

New York U.S. Volunteer Infantry Regiments 1861-1865 :
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The 27th New York Infantry Regiment was an infantry regiment formed in Elmira, New York, to fight and defend the United States during the American Civil War. The regiment was also known as the "Union Regiment".

## History

The regiment was organized on May 21, 1861, at Elmira, New York. Muster was called on June 15, 1861. The unit was enrolled for two-years of service.

### Regimental organization

Company A – recruited principally in Westchester County Company B – recruited principally in Wayne County Company C – recruited principally in Broome County Company D – recruited principally in Broome County Company E – recruited principally in Monroe County Company F – recruited principally in Broome County Company G – recruited principally in Livingston County Company H – recruited principally in Livingston County Company I – recruited principally in Allegany County Company K – recruited principally in Orleans County

### Service

This regiment was organized by Col. Henry W. Slocum at Elmira, New York, and accepted by the State on May 21, 1861. The regiment mustered June 15, 1861, and left New York for Washington, D.C., on July 10, 1861. They were attached to Porter's Brigade, Hunter's Division, McDowell's Army of Northeast Virginia until August 1910. Next they were attached to Heintzelman's Brigade, Division of the Potomac, to October 1861. Slocum's Brigade, Franklin's 1st Division, 1st Army Corps, Army of the Potomac, to May 1862. And 2nd Brigade, 1st Division, 6th Army Corps, to May 1863.
Advance on Manassas, Va., July 16–21, 1861. First Battle of Bull Run, Va., July 21. Duty in the Defenses of Washington, D.C., until March, 1862. Expedition to Pohick Church October 3, 1861. Advance on Manassas, Va., March 10–15, 1862. McDowell's advance on Fredericksburg April 4–12. Ordered to the Peninsula, Virginia, April 22. Siege of Yorktown, Va., April 24-May 4, on transports. West Point May 7–8. Near Mechanicsville May 20. Seven days before Richmond June 25-July 1. Gaines' Mill and Chickahominy June 27. White Oak Swamp and Glendale June 30. Malvern Hill July 1. At Harrison's Landing until August 16. Movement to Fortress Monroe, thence to Centreville August 16–28. In works at Centreville August 28–31, and cover Pope's retreat to Fairfax Court House September 1.
During the Maryland Campaign from September 6–22, they were at Crampton's Gap, South Mountain, September 14. Battle of Antietam September 16–17. Duty in Maryland until October 29. Movement to Falmouth, Va., October 29-November 19. Battle of Fredericksburg, Va., December 12–15. "Mud March" January 20–24, 1863. At Falmouth until April.
Chancellorsville Campaign April 27-May 6. Operations about Franklin's Crossing April 29-May 2. Maryes Heights, Fredericksburg, May 3. Salem Heights May 3–4. Banks' Ford May 4. Mustered out May 31, 1863, expiration of term. Three years' men transferred to 121st Regiment New York Infantry.

### Time line

| Date | |
| May 21, 1861 | The Regiment Was Organized with Henry W. Slocum as Colonel |
| | Joseph J. Chambers as Lieutenant Colonel, and Joseph J. Bartlett as Major |
| June 15, 1861 | The Regiment mustered into Federal Service. |
| July 10, 1861 | Left State for Washington, D.C. by rail via Harrisburg and Baltimore. |
| | Attached to Porter's Brigade, Hunter's Division, McDowell's Army of Northeast Virginia |
| July 16–21, 1861 | Advance on Manassas, Virginia |
| July 21, 1861 | Battle of Bull Run |
| | The regiment lost 1 officer and 25 men killed; Colonel Henry W. Slocum, another officer and 42 men wounded; and 60 men missing. Major Joseph J. Bartlett took command of the regiment when Colonel Slocum was wounded. |
| August 1861 | Duty in the Defenses of Washington, D.C. attached to Heintzelman's Brigade, Division of the Potomac |
| August 13, 1861 | Lieutenant Colonel Joseph J. Chambers Resigns |
| September 1, 1861 | Colonel Henry W. Slocum was promoted to brigadier general, Major Joseph J. Bartlett to Colonel, Captain Alexander D. Adams of Company B to Lieutenant Colonel and Captain Curtis C. Gardiner of Company I to major |
| October 1861 | Attached to Slocum's Brigade, Franklin's Division, Army of the Potomac |
| October 3, 1861 | Expedition to Pohick Church |
| March 1862 | Attached to Slocum's 2nd Brigade, Franklin's 1st Division, 1st Army Corps, Army of the Potomac |
| March 10–15, 1862 | Advance on Manassas, Virginia |
| April 4–12, 1862 | McDowell's advance on Fredericksburg |
| April 22, 1862 | Ordered to the Peninsula, Virginia |
| April 24-May 4, 1862 | Siege of Yorktown, Virginia on transports. |
| | Attached to 2nd Brigade, 1st Division, 6th Army Corps |
| May 7–8, 1862 | West Point |
| May 20, 1862 | Near Mechanicsville |
| June 25-July 1, 1862 | Seven days before Richmond |
| | The regiment lost 1 officer and 34 men killed or mortally wounded, 9 officers and 100 men wounded, and 18 men missing. |
| June 27, 1862 | Gaines' Mill and Chickahominy |
| June 30, 1862 | White Oak Swamp and Glendale |
| July 1, 1862 | Malvern Hill |
| July 1862 | At Harrison's Landing |
| July 24, 1862 | Major Curtis C. Gardiner resigns, Captain Joseph H. Bodin of Company H promoted to major. |
| August 16–28, 1862 | Movement to Fortress Monroe, then to Centreville. |
| August 28–31, 1862 | In works at Centreville |
| September 1, 1862 | Cover Pope's retreat to Fairfax Court House |
| September 6, 1862 | Maryland Campaign Col Joseph J. Bartlett in charge of the whole Brigade. |
| September 14, 1862 | Crampton's Gap, South Mountain led by Lieutenant Colonel Alexander D. Adams in the Assault |
| | The regiment lost 9 men killed or mortally wounded, and 2 officers and 22 men wounded. |
| September 16–17, 1862 | Battle of Antietam also led by Lieutenant Colonel Alexander D. Adams no real engagement in the Battle. |
| September 1861 | Duty in Maryland |
| October 29 - November 19, 1862 | Movement to Falmouth, Virginia |
| October 4–8, 1862 | Colonel Joseph J. Bartlett promoted to brigadier general, Lieutenant Colonel Alexander D. Adams to colonel, Major Joseph H. Bodin to lieutenant colonel and Captain George G. Wanzer of Company E promoted to major. |
| December 12–15, 1862 | Battle of Fredericksburg, Virginia |
| January 20–24, 1863 | "Mud March" |
| February 1863 | At Falmouth |
| April 27-May 6, 1863 | Chancellorsville Campaign |
| April 29-May 2, 1863 | Operations about Franklin's Crossing |
| May 3, 1863 | Marye's Heights, Fredericksburg |
| May 3–4, 1863 | Salem Heights |
| May 4, 1863 | Banks' Ford |
| May 31, 1863 | Mustered out, expiration of term, under Colonel Alexander D. Adams, Lieutenant Colonel Joseph H. Bodin and Major George G. Wanzer. Three years' men transferred to 121st Regiment New York Infantry. |

### Total strength and casualties

Regiment lost during service 2 Officers and 72 Enlisted men killed and mortally wounded and 2 Officers and 70 Enlisted men by disease. Total 146.
The 27th New York Volunteer Infantry Regiment was reformed following the Civil War to replace the 3rd New York Volunteer Infantry Regiment that was disbanded.