The 22nd Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union army during the American Civil War. The 22nd Massachusetts was organized by Senator Henry Wilson and was therefore known as "Henry Wilson's Regiment." It was formed in Boston, Massachusetts, and established on September 28, 1861, for a term of three years.
The 51st Regiment Massachusetts Volunteer Infantry was a regiment of infantry that served in the Union Army during the American Civil War. The regiment was assigned to Major General John G. Foster's Department of North Carolina, later designated as the XVIII Corps. While based in New Bern, North Carolina, the 51st Massachusetts took part in several expeditions involving numerous units from Foster's command and were engaged in the Battle of Kinston, the Battle of White Hall and the Battle of Goldsborough Bridge, among other engagements.
The 21st Massachusetts Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. It was organized in Worcester, Massachusetts and mustered into service on August 23, 1861.
The 2nd Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War. Major George H. Gordon, a West Point graduate and veteran of the Mexican–American War, organized the unit's recruitment and formation. The 2nd Massachusetts was trained at Camp Andrew in West Roxbury, Massachusetts on the site of the former Transcendentalist utopian community, Brook Farm. Roughly half the regiment was mustered in on May 18, 1861 and the remainder on May 25, 1861 for a term of three years. The regiment saw extensive combat as part of the Army of the Potomac particularly during the Battle of Antietam and the Battle of Gettysburg.
The 29th Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union army of the United States during the American Civil War. The regiment was organized in December 1861 when three new companies were attached to a battalion of seven Massachusetts companies that had been in active service since May 1861. These seven companies had been recruited to fill out the 3rd Massachusetts and 4th Massachusetts regiments and had signed on for three years of service. When the 3rd and 4th Massachusetts were mustered out in July 1861, the seven companies that had signed on for three years were grouped together to form a battalion known as the Massachusetts Battalion. Finally, in December 1861, three more companies were added to their roster to form a full regiment and the unit was designated the 29th Massachusetts.
Joseph Cushing Edmands was a volunteer soldier in the Union Army during the American Civil War who attained the grade of colonel and in 1866 was awarded the honorary grade of brevet brigadier general.
The 27th Massachusetts Volunteer Infantry was an infantry regiment recruited in Massachusetts for service in the American Civil War.
23rd Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union army during the American Civil War. It was formed on 28 September 1861 in Lynnfield, Massachusetts, though some of the men were not mustered until the regiment's arrival to Annapolis, Maryland on 5 December, and comprised 6 companies from Essex County, Massachusetts and 1 each from Bristol, Plymouth, Middlesex and Worcester. An ex-militia officer, John Kurtz, was commissioned its colonel.
The 17th Massachusetts was an infantry regiment that served in the Union Army during the American Civil War.
The 39th Massachusetts Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
The 92nd New York Infantry Regiment was an infantry regiment in the Union Army during the American Civil War.
The 96th New York Infantry Regiment was an infantry regiment in the Union Army during the American Civil War.
The 40th Regiment, Massachusetts Volunteer Infantry Regiment was a three-year infantry regiment of the Union Army that served in the Department of Virginia and North Carolina, the Army of the Potomac, and the Department of the South during the American Civil War.
The 3rd Massachusetts Volunteer Militia Regiment was a peacetime regiment of infantry that was activated for federal service in the Union Army for two separate tours during the American Civil War. The regiment consisted of companies from Plymouth and Bristol Counties.
The 5th Regiment Massachusetts Volunteer Militia was a peacetime infantry regiment that was activated for federal service in the Union army for three separate tours during the American Civil War. In the years immediately preceding the war and during its first term of service, the regiment consisted primarily of companies from Essex County as well as Boston and Charlestown.
The 42nd Regiment Massachusetts Volunteer Infantry was a regiment of infantry that served two tours in the Union Army during the American Civil War. The unit was first formed in September 1862 in response to President Abraham Lincoln's call for 300,000 men to serve for nine months.
The 43rd Regiment Massachusetts Volunteer Infantry was a regiment of infantry that served in the Union Army during the American Civil War. The unit was first formed in September 1862 in response to President Abraham Lincoln's call for 300,000 men to serve for nine months. The nucleus of the regiment was the Second Battalion Massachusetts Volunteer Militia, a unit dating to 1798 known as the Boston Light Infantry and nicknamed the "Tigers." The 43rd Massachusetts therefore became known as the "Tiger Regiment."
The 44th Regiment Massachusetts Volunteer Infantry was a regiment of infantry that served in the Union Army during the American Civil War. Its nucleus was the 4th Battalion Massachusetts Volunteer Militia, known as the "New England Guards". An old state militia unit dating back to the Revolution, the 4th Battalion was called upon to serve garrison duty at Fort Independence shortly after the beginning of the Civil War. After President Abraham Lincoln's August 1862 call for 300,000 men to serve for nine months the 4th Battalion was given permission to recruit to a full regiment and to muster into federal service.
The 50th Regiment Massachusetts Volunteer Infantry was a regiment of infantry that served in the Union Army during the American Civil War. It was one of the 18 Massachusetts regiments formed in response to President Abraham Lincoln's August 1862 call for 300,000 men to serve for nine months. The regiment was recruited in Essex County and rendezvoused for mustering in at Camp Edwin M. Stanton in Boxford, Massachusetts. The 50th Massachusetts was assigned to the Department of the Gulf under Major General Nathaniel P. Banks and shipped for Louisiana. The regiment saw combat during the Siege of Port Hudson.
The 57th Regiment Massachusetts Volunteer Infantry was a regiment of infantry that served in the Union Army during the American Civil War. It was one of the four "Veteran Regiments" raised in Massachusetts during the winter of 1863–64. Recruits of these regiments were required to have served at least nine months in a prior unit. Colonel William F. Bartlett, at age 24 already a veteran of three regiments, organized the recruiting and formation of the 57th Massachusetts and served as its first commanding officer.
United States 
