Edward "Ned" Needles Hallowell was an officer in the Union Army in the duration of the American Civil War, commanding the 54th Massachusetts Volunteer Infantry following the death of Colonel Robert Gould Shaw at the Second Battle of Fort Wagner in 1863.
James Barnes was a railroad executive and a Union Army general in the American Civil War.
Thomas Casimer Devin was a United States Army officer and general. He commanded Union cavalry during the American Civil War and during the Indian Wars.
Stephen Minot Weld Jr., a member of Boston's illustrious Weld Family, was a horticulturalist and much-decorated United States Army officer of the American Civil War.
Samuel Miller Quincy was the 28th mayor of New Orleans and a Union Army officer during the American Civil War.
Patrick Robert Guiney was an American Civil War soldier.
St. Clair Augustine Mulholland was a colonel in the Union Army in the American Civil War who later received the brevets of brigadier general of volunteers and major general of volunteers and the Medal of Honor for gallantry in action at the Battle of Chancellorsville.
Thomas Worcester Hyde was an American Union Army colonel, a state senator from Maine, and the founder of the Bath Iron Works, one of the major shipyards in the United States. He wrote two books about his experiences during the American Civil War and at the Battle of Gettysburg.
William Stowell Tilton was an American businessman and soldier who led a regiment, and occasionally a brigade, in the Army of the Potomac during the American Civil War. He and his men were heavily engaged in the Battle of Gettysburg, where Tilton's performance created controversy.
Robert Ogden Tyler was an American military officer in the Union Army during the American Civil War. He graduated from the United States Military Academy in 1853 and fought in the Yakima War and the Utah War. He commanded the Artillery Reserve in the Army of the Potomac at the Battle of Gettysburg in July 1863, where his artillery batteries played an important role in the Union victory. Tyler also led a division of heavy artillery turned infantry during the Overland Campaign in 1864. He was severely wounded at the Battle of Cold Harbor and served in administrative duties for the remainder of the war.
Reuben D. Mussey Jr. was a Union Army colonel during the American Civil War and a distinguished lawyer. He was an important recruiter of black men into the United States Colored Troops. Between April 1865 and November 1865, Mussey was President Andrew Johnson's private secretary. Johnson nominated Mussey for appointment to the brevet grade of brigadier general of volunteers, but the U.S. Senate did not confirm the appointment. Mussey was the husband of Ellen Spencer Mussey who was also his law partner and became the head of the practice upon his death.
John White Kimball (1828-1910) was an American soldier and politician who served as Massachusetts Auditor. He was born in Fitchburg, Massachusetts, on February 27, 1828, to Alpheus Kimball, (1792–1859) and Harriet Stone, (1790–1888). Before the American Civil War, Kimball was a scythe manufacturer.
Charles Hamlin, from Bangor, Maine, was an attorney and a Union Army officer during the American Civil War, attaining the rank of major. He was nominated for appointment to the grade of brevet brigadier general of volunteers by President Andrew Johnson on January 13, 1866, to rank from March 13, 1865, and the United States Senate confirmed the appointment on March 12, 1866. He was one of the sons of Vice President Hannibal Hamlin and a brother to Cyrus Hamlin, a Union Army brigadier general.
George Zinn was a Union Army officer during the American Civil War. President Andrew Johnson nominated him on January 13, 1866 for appointment to the grade of brevet brigadier general of volunteers, to rank from April 6, 1865, and the United States Senate confirmed the appointment on March 12, 1866.
Caspar Crowninshield was a volunteer officer in the Union Army during the American Civil War.
James Adams Cunningham was a volunteer officer in the Union Army during the American Civil War.
Greely Stevenson Curtis was a volunteer officer in the Union Army during the American Civil War.
Ansel Dyer Wass was a Union Army officer during the American Civil War. Wass was born in Addison, Maine on November 12, 1832.
Adrian Rowe Root was an American commission merchant, warehouse executive, newspaper editor and military officer in the Union Army during the American Civil War. He served as brigade commander for much of the war but his highest actual substantive grade was colonel. His March 2, 1865 nomination for appointment as brevet brigadier general of volunteers to rank from March 2, 1865, was confirmed by the United States Senate on March 9, 1865. His January 13, 1866 nomination for appointment as a brevet major general of volunteers, to rank from March 13, 1865, was confirmed by the U.S. Senate on March 12, 1866.
The town of Dedham, Massachusetts, participated in the American Civil War primarily through the 630 men who served in the United States Armed Forces during the war. A total of 46 men would die in the war, including in battle, from disease, from wounds sustained in battle, and in prisoner of war camps. The Town of Dedham supported the soldiers and their families both through appropriations raised by taxes, and through donations of supplies sent to the front lines.
Lieutenant Colonel 
Bvt. Brigadier General 
