The 28th Massachusetts Infantry regiment was the second primarily Irish American volunteer infantry regiment recruited in Massachusetts for service in the American Civil War. The regiment's motto was Faugh a Ballagh
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.
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 17th Massachusetts was an infantry regiment that served in the Union Army during the American Civil War.
The 25th Regiment Massachusetts Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
45th Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union army during the American Civil War. The regiment trained at Camp Meigs in Readville, Massachusetts before traveling to North Carolina, where they fought in the Battle of Kinston in December 1862, and in skirmishes in and around New Bern, North Carolina in the spring of 1863. They suffered heavy casualties in battle and due to fever. In June they returned to Boston, where they patrolled the streets to quell any draft riots, and were discharged on July 21. They were commanded by Colonel Charles R. Codman (1829-1918).
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 Cavalry Regiment was a cavalry regiment that served in the Union Army during the American Civil War. It was organized by consolidating the 41st Massachusetts Mounted Infantry and the 2nd Battalion Massachusetts Cavalry on June 17, 1863. The regiment served with the XIX Corps, Army of the Gulf during the Red River Campaign in 1864. Its heaviest combat during this campaign took place during the Battle of Sabine Crossroads.
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 6th Regiment Massachusetts Volunteer Militia was a peacetime infantry regiment that was activated for federal service in the Union army for three separate terms during the American Civil War (1861-1865). The regiment gained notoriety as the first unit in the Union Army to suffer fatal casualties in action during the Civil War in the Baltimore Riot and the first militia unit to arrive in Washington D.C., in response to President Abraham Lincoln's initial call for 75,000 troops. Private Luther C. Ladd of the 6th Massachusetts is often referred to as the first Union soldier killed in action during the war.
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 8th Regiment Massachusetts Volunteer Militia was a peacetime regiment of infantry that was activated for federal service in the Union Army for three separate tours during the American Civil War. The regiment consisted almost entirely of companies from Essex County, Massachusetts. The Cushing Guards, established 1775, were Company A based in Newburyport. The Lafayette Guards, created 1825, were Company B from Marblehead. Company C, the Sutton Light Infantry, organized in 1805 as the Marblehead Light Infantry, was also from Marblehead. The Lynn Light Infantry, chartered in 1852 was Company D. Company E was the Beverly Light Infantry, organized in 1814. The second Lynn company was Company F, the City Guards, organized in 1814. The Gloucester unit in the regiment was Company G, the American Guards, first organized in 1788. The third and last Marblehead company was H, the Glover Light Guards, created in 1852 and named in honor of John Glover of the Revolution. The Salem Light Infantry, Company J, had been created in 1805 and in 1859 had taken up Zouave drill and were thence known as the Salem Zouaves. The lone non-Essex company was Company K, the Allen Guards, created in 1806, that came to the regiment from Berkshire County's reorganized old Tenth Militia regiment, and based in Pittsfield.
The 4th Regiment Massachusetts Volunteer Militia, sometimes known as the 4th Massachusetts Infantry, 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. Most of the companies were from Norfolk County, Massachusetts. The regiment had its headquarters in Quincy, Massachusetts.
The 46th Regiment Massachusetts Volunteer Infantry was a regiment of infantry that served in the Union Army during the American Civil War. Its members volunteered in answer to President Abraham Lincoln's August 1862 call for 300,000 men to serve for nine months. The regiment gathered in Springfield, Massachusetts and consisted almost entirely of men from Hampden County. The primary recruiter was Rev. George Bowler who soon became Colonel in command of the regiment.
The 49th 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 Berkshire County and rendezvoused for mustering in at Camp Briggs in Pittsfield, Massachusetts. William F. Bartlett, a veteran of the 20th Massachusetts was voted colonel in command of the regiment. The 49th Massachusetts was assigned to the Department of the Gulf and saw heavy combat during the Siege of Port Hudson.
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 4th Massachusetts Battery was an artillery battery that served in the Union Army during the American Civil War. The unit was sometimes known as "Manning's Battery" after its commanding officer, Capt. Charles H. Manning. It was one of the Massachusetts regiments organized in response to President Abraham Lincoln's call on May 2, 1861 for volunteer troops to serve a term of three-years. The core of the unit was a peace-time militia company known as the Salem Light Artillery. The battery trained at Camp Chase in Lowell, Massachusetts. It was assigned to the Department of the Gulf under Major General Benjamin F. Butler and departed Boston by steamship on November 20.
United States 
