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 20th Massachusetts Volunteer Infantry, also known as the "Harvard Regiment", was a regiment of infantry in the American Civil War. The regiment was so nicknamed because the officers of the 20th were young Harvard graduates. In addition, some, but not all, of the private soldiers had attended Harvard. The 20th was organized at Camp Meigs in Readville, August 29 to September 4, 1861. After training they left Massachusetts for Washington, D. C., September 4. They would fight until the war's conclusion being mustered out on July 16 and discharged July 28, 1865. Fogel et al's Union Army Data urban sample suggests perhaps as many as two-thirds of the regiment's enlisted were immigrants with Irish immigrants making up half of the regiment's total.
The 9th Regiment Massachusetts Volunteer Infantry was a military unit from Boston, Massachusetts, USA, part of the Army of the Potomac during the American Civil War. It is also known as "The Fighting Ninth". It existed from 1861 to 1864 and participated in several key battles during the war. The unit is an Irish heritage unit, with many volunteers having been born in Ireland.
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 32nd Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union army during the American Civil War. The nucleus of the regiment was a battalion of six companies raised in September 1861 to garrison Fort Warren, the largest fortification in Boston harbor. The battalion was originally known as the 1st Battalion Massachusetts Infantry or the Fort Warren Battalion.
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 7th Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union army during the American Civil War. It was formed on June 15, 1861, in Taunton. Its original commander was Colonel Darius N. Couch who would eventually be promoted to command the II Corps of the Army of the Potomac and, after that, the Department of the Susquehanna.
Thomas Harrison Dunham, Jr. was a volunteer soldier in the Union Army during the American Civil War who rose from the rank of private to colonel and in 1867 was awarded the honorary grade of brevet brigadier general, to rank from March 13, 1865.
The 13th Regiment Massachusetts Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War. It was formed on July 16, 1861, at Fort Independence in Boston, Massachusetts. Its original commander was Colonel Samuel H. Leonard.
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 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 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.
The 5th Massachusetts Battery was an artillery battery that served in the Union army during the American Civil War. 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 battery trained at Camp Shouler in Lynnfield, Massachusetts and Camp Massasoit in Readville, Massachusetts. It departed Boston by steamship on December 25, 1861.
The 11th Massachusetts Battery was an artillery battery that served in the Union Army during the American Civil War. It was formed in response to President Abraham Lincoln's August 1862 call for 300,000 men to serve for nine months. Several months after completing their first term of service, the battery was reorganized for a second term of three years. It was recruited by Captain Edward J. Jones of Boston and consisted almost entirely of men from that city. The battery served a largely uneventful first term as garrison troops mostly in Centreville, Virginia. During their second term they were involved in heavy combat being part of the Army of the Potomac during Lieutenant General Ulysses S. Grant's Overland Campaign.
United States of America 
