George Sykes was a career United States Army officer and a Union general during the American Civil War.
XXII Corps was a corps in the Union Army during the American Civil War. It was created on February 2, 1863, to consist of all troops garrisoned in Washington, D.C., and included three infantry divisions and one of cavalry. Many of its units were transferred to the Army of the Potomac during Grant's Overland Campaign.
Benjamin Caspar Christ was an officer in the Union army during the American Civil War. He commanded a brigade in the IX Corps of the Army of the Potomac at several important battles, including the Battle of Antietam.
George Lafayette Beal was an American politician from the state of Maine who served in the Union Army during the American Civil War.
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.
Charles Sawyer Russell was a United States Army officer in the Union Army during the American Civil War.
Sumner Carruth was an officer in the volunteer army of the United States during the American Civil War. He commanded the 35th Massachusetts Volunteer Infantry and eventually rose to the command of two different brigades in the IX Corps.
John Irvin Curtin was a cousin of Pennsylvania governor Andrew Gregg Curtin. He led a regiment and then a brigade in the American Civil War.
George Perkins Hawkes was a colonel in the Union Army during the American Civil War. He commanded the 21st Regiment Massachusetts Volunteer Infantry from April 1863 to July 1864. In March 1867, he was awarded the honorary grade of brevet brigadier general, United States Volunteers, to rank from March 13, 1865, seven months after his resignation of his commission in the army.
James Lawrence Bates was a colonel in the Union Army during the American Civil War who was awarded the honorary grade of brevet brigadier general after the war. He was born in Weymouth, Massachusetts, and, in civilian life, was a merchant in the leather trade.
James Adams Cunningham was a volunteer officer in the Union Army during the American Civil War.
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.
James Gwyn was an officer in the Union Army during the American Civil War. He immigrated at a young age from Ireland in 1846, initially working as a storekeeper in Philadelphia and later as a clerk in New York City. At the onset of the war, in 1861, he enlisted and was commissioned as a captain with the 23rd Pennsylvania Volunteer Infantry. He assumed command of the 118th Pennsylvania Regiment in the course of the war. Gwyn led that regiment through many of its 39 recorded battles, including engagements at Seven Pines, Fredericksburg, Shepherdstown, Five Forks, Gettysburg, and Appomattox Court House.
The 111th Pennsylvania Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was noted for its holding the high ground at the center of the line at Antietam as part of Stainrook's 2nd Brigade, Greene's 2nd Division of Mansfield's XII Corps.
Griffin Alexander Stedman Jr. was a Colonel in the Union Army during the American Civil War and served in several key battles during the war. He was killed in action during the Siege of Petersburg and brevetted brigadier general.
Charles Swain Lovell (1811-1871) was an American military officer and Brevet Brigadier General who commanded a brigade during several major battles of the American Civil War.
Joseph Hayes was a Harvard graduate, civil engineer, and a brigadier general of the Union Army who commanded two brigades of the 5th Army Corps during the American Civil War.
William Scott Worth was an American brigadier general of the American Civil War and the Spanish–American War. He was known for being the son of Major General William J. Worth and leading the 13th Infantry Regiment during the Battle of San Juan Hill.
United States (Union)
United States Army (Union Army)
Colonel 
Bvt. Brigadier General