Seth Williams

Seth Williams
Maj. Gen. Seth Williams
Born	(1822-03-22)March 22, 1822 Augusta, Maine
Died	March 23, 1866(1866-03-23) (aged 44) Boston, Massachusetts
Place of burial	Forest Grove Cemetery, Augusta, Maine
Allegiance	United States of America Union
Service/branch	United States Army Union Army
Years of service	1842 - 1866
Rank	Brevet Major General
Battles/wars	American Civil War

Seth Williams (March 22, 1822 – March 23, 1866) was an American military officer who served as assistant adjutant general of the Union's Army of the Potomac during the American Civil War.

Williams was born in Augusta, Maine. He graduated from the United States Military Academy in 1842, 23rd in a class of 56. He served as aide-de-camp to General Robert Patterson in the Mexican-American War with the rank of second lieutenant. Williams received a brevet to the rank of captain for his conduct at the Battle of Cerro Gordo as a first lieutenant. He was adjutant at West Point from 1850 to 1853 before moving to the adjutant general's office in Washington, D.C..

Williams was promoted to the rank of major in August 1861 and lieutenant colonel on July 7, 1862. On September 28, 1861, President Abraham Lincoln appointed Williams a brigadier general of volunteers, to rank from September 23, 1861. President Lincoln nominated Williams for the promotion on December 21, 1861 and the U.S. Senate confirmed the appointment on July 17, 1862. He was a groomsman at George McClellan's wedding in New York City on May 22, 1860.