Ammen, Jacob, 1806-1894

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Ammen was born in Fincastle, Virginia, but at a young age, his parents moved to Georgetown, Ohio, where Ammen attended school. He was an 1831 honors graduate of the United States Military Academy, where he was an assistant professor for two terms, in addition to his duties as a second lieutenant in the 1st U.S. Artillery. He also served as a drill instructor and captain in the Georgetown militia. He was stationed in Charleston Harbor during the Nullification Crisis.

Resigning from the Army in 1837, Ammen taught mathematics at colleges in Kentucky and Missouri. From 1840 through 1843, he served as Chair of the Mathematics Department at Indiana University. He later taught again in Kentucky and Missouri, before moving in November 1855 to Ripley, Ohio, to work as a civil engineer.

Within a week after the Confederate bombardment of Fort Sumter in April 1861, Ammen rejoined the Federal army, serving as a captain in the newly raised 12th Ohio Infantry. He was soon commissioned as colonel of the 24th Ohio Infantry. After training at Camp Chase, Ammen's regiment was sent in late July to serve in western Virginia, seeing their first combat at the Battle of Cheat Mountain.

Shipped to the Western Theater, Ammen led a brigade in the Army of the Ohio at the Battle of Shiloh and the Siege of Corinth. Ammen was promoted to brigadier general on July 16, 1862. In August, Ammen assumed the division command vacated by William "Bull" Nelson, who had been given a new command and sent to defend Richmond, Kentucky.

When his health deteriorated, Ammen then performed administrative duty for nearly a year, commanding Camp Douglas in Illinois in early 1863, as well as other Federal garrisons. In late 1863, he returned to the field and commanded the Fourth Division of the XXIII Corps. In September 1864, his 800-man force blocked the vital Virginia and Tennessee Railroad at Bull's Gap, Tennessee, during Stephen G. Burbridge's Saltville raid. Shortly before the end of the war, he resigned in January 1865 and returned home.

Ammen was a surveyor and civil engineer in Hamilton County, Ohio, then he purchased a farm near Beltsville, Maryland, in 1872. Two years later, he was involved in determining possible routes for the proposed Panama Canal. He served on the board of visitors at West Point in 1875. He retired to Wyoming, Ohio, near Cincinnati.

Becoming blind in his elderly years, he moved in with his son in Lockland, Ohio, in 1891, where he died on February 6, 1894. He was buried in the Spring Grove Cemetery in Cincinnati.

Archival Resources
Role Title Holding Repository
creatorOf Ammen, Jacob, 1806-1894. Letter, 1862 March [i.e. April] 6 [to] A.B. Martin. United States Military Academy, USMA Library
referencedIn Philip Case Lockwood memorial collection of Civil War portraits and autographs, 1862-ca. 1886. Houghton Library
creatorOf Ammen, Jacob, 1807-1894. Civil War collection [microform], 1804-1895 (bulk 1860-1865). Ohio History Connection, Ohio Historical Society
creatorOf Ammen, Jacob, 1807-1894. Papers, 1804-1895. Abraham Lincoln Presidential Library
referencedIn Photographic Portrait File The Huntington Library
referencedIn Record Group 94: Records of the Adjutant General's Office, 1762 - 1984 Series: Letters Received, 1863 - 1917 File Unit: Consolidated Military Officer's File of General Jacob Ammen, 24th Ohio Infantry Regiment National Archives at Washington, D.C
referencedIn Record Group 94: Records of the Adjutant General's Office, 1762 - 1984 Series: Indexes to the Carded Records of Soldiers Who Served in Volunteer Organizations During the Civil War, 1899 - 1927 File Unit: Ammen, Jacob - Unit: 12th Infantry (3 Months, 1861), Company: F & S - Enlistment Rank: Lt Col, Discharge Rank: [Blank] National Archives at Washington, D.C
creatorOf Ammen, Jacob, 1807-1894. Papers [microform], 1804-1895. Abraham Lincoln Presidential Library
referencedIn Record Group 94: Records of the Adjutant General's Office, 1762 - 1984 Series: Indexes to the Carded Records of Soldiers Who Served in Volunteer Organizations During the Civil War, 1899 - 1927 File Unit: Ammen, Jacob - Unit: 24th Infantry, Company: F & S - Enlistment Rank: Col, Discharge Rank: Col National Archives at Washington, D.C
contributorOf Record Group 94: Records of the Adjutant General's Office, 1762 - 1984 Series: Letters Received, 1805 - 1889 File Unit: Ammen, Jacob - Washington - 1846 - File No. A129 National Archives at Washington, D.C
referencedIn Record Group 94: Records of the Adjutant General's Office, 1762 - 1984 Series: Carded Records Relating to Civil War Staff Officers, 1890 - 1912 File Unit: Ammen, Jacob - Brigadier General National Archives at Washington, D.C
Role Title Holding Repository
Place Name Admin Code Country
Virginia VA US
Hamilton County OH US
Mississippi MS US
Bloomington IN US
Chicago IL US
Prince George's County MD US
Richmond KY US
Botetourt County VA US
West Point NY US
Ripley OH US
Charleston Harbor SC US
Tennessee TN US
Subject
Canals, Interoceanic
Cheat Mountain, Battle of, W. Va., 1861
Civil War, 1861-1865
Corinth, Battle of, Corinth, Miss., 1862
Military offenses
Panama Canal (Panama)
Prisoners of war
Shiloh, Battle of, Tenn., 1862
Soldiers
Occupation
Civil engineers
Farmers
Professors (teacher)
Soldiers
Activity

Person

Birth 1806-01-07

Death 1894-02-06

Male

Americans

English

Information

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