Joseph King Fenno Mansfield

(1803 - 1862)
Home State: Connecticut
Command Billet: Army Corps Commander
Branch of Service: Infantry
Unit: Twelfth (XII) Army Corps

Before the Antietam Campaign:
He graduated from the USMA in 1822 served on engineer duty constructed coastal defences was in the Mexican war and had staff duty in the Army Inspector-General's department. In May 1861 he was promoted to BGen. in the Regular Army and was given command of the Washington defenses. In July 1862 he was appointed MGen. of Volunteers.

In the Antietam Campaign:
Mansfield was given command of the Federal Twelfth (XII) Army Corps on September 15 the first field command in his 40 year Army career. He was mortally wounded before 9am on the 17th while bringing up his troops near the Cornfield and died the next day. He was succeeded in command of the XII Corps by BGen A. Williams of his First Division.

He was one of the 6 General Officers killed or mortally wounded at Sharpsburg.

Birth Date: 12/22/1803    Place of Birth: New Haven, CT
College: US Military Academy, West Point, NY    Graduating Year: 1822
Death Date: 9/18/1862    Death Place: Sharpsburg, MD    Burial Place: Indian Hill Cemetery, Middletown, CT

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