A prominent general officer in the Union Army during the American Civil War, John G. Foster served briefly as commander of the Department of the Ohio from December 12, 1863 to February 9, 1864.
John Gray Foster was born on May 27, 1823, in Whitefield, New Hampshire. He was the first-born of seven children of Major Perley Foster and Mary Gray. Foster's father served as ship's carpenter on Commodore Oliver Hazard Perry's flagship on Lake Erie during the War of 1812.
Young Foster spent his early years in Whitefield, before moving with his family to Nashua, New Hampshire, when he was approximately ten years of age. While living there, he was formally educated at the Hancock Academy and at Crosby's Nashua Literary Institute.
U.S. Representative Charles G. Atherton appointed Foster to the United States Military Academy, where Foster enrolled on July 1, 1842. Among his classmates were future Union General George Stoneman and future Confederate Generals Thomas J. (Stonewall) Jackson and George E. Pickett. Foster proved to be an excellent student at West Point, graduating fourth in his class of fifty-nine cadets on July 1, 1846. Upon graduation, Foster was brevetted to second lieutenant and assigned as an assistant engineer with the Army Corps of Engineers, stationed in Washington, D.C.
Like many future Civil War general officers, Foster gained invaluable combat experience during the Mexican-American War (April 25, 1846–February 2, 1848). During that conflict, he was engaged at the Siege of Vera Cruz (March 9‑29, 1847), the Battle of Cerro Gordo, (April 17‑18, 1847), the Battle of Contreras (August 19‑20, 1847), and the Battle of Churubusco (August 20, 1847). In recognition of his "Gallant and Meritorious Conduct" at Contreras and Churubusco, Foster was brevetted to first lieutenant, effective August 20, 1847. On September 8, 1847, Foster was severely wounded during the Battle of Molino del Rey. Disabled by his injuries, Foster was placed on leave of absence for several months and brevetted to captain, effective September 8, 1847.
Following the Mexican-American War, Foster was engaged in numerous engineering projects for the Corps of Engineers. On May 24, 1848, he was promoted to the full rank of second lieutenant. Six years later, Foster was elevated to first lieutenant on April 1, 1854. From January 11, 1855 to June 27, 1857, Foster returned to West Point as an assistant professor of engineering. In 1857, he was assigned to several coastal improvement projects, including the completion of Fort Sumter and repairs to Fort Moultrie in Charleston Harbor in South Carolina. On July 1, 1860, Foster was promoted to captain in recognition of "Fourteen Years' Continuous Service" with the army.
Sometime during this period of his life, Foster married Mary L. Moale. Their marriage produced one daughter, Anne Moale Foster. The fate of Mary remains a mystery, but records indicate that Foster later married Anna Johnson at some point during his life.
The beginning of the Civil War found Foster engaged in strengthening the fortifications in Charleston Harbor. Anticipating a Confederate assault, Foster participated in transporting the Federal garrison at Fort Moultrie to the more defensible Fort Sumter on December 26, 1860. For his leadership during the transfer, Foster was brevetted to major, effective December 26, 1860. When hostilities eventually erupted, Foster served throughout the bombardment of Fort Sumter from April 12 through April 14, 1861.
Following the evacuation of Fort Sumter, Foster assisted with several engineering projects in the East. He declined a promotion to major with the 11th U.S. Infantry on May 14, 1861, but he accepted a promotion to brigadier-general in the volunteer army on October 23, 1861.
On December 20, 1861, Foster was placed in command of the First Brigade of Major General Ambrose Burnside's Coast Division. His brigade participated in Burnside's North Carolina Expedition, beginning in early 1862. On February 8, 1862, Foster was brevetted to lieutenant colonel in the regular army for "Gallant and Meritorious Services in Capture of Roanoke Island." After the capitulation of Fort Bartow on Roanoke Island, the Union renamed the Confederate stronghold as Fort Foster in Foster's honor. Foster subsequently participated in the subjugation and occupation of New Bern, Morehead City, Beaufort, and Washington, North Carolina. On March 12, 1862, Foster was brevetted to colonel in the regular army for "Gallant and Meritorious Services in Capture of Newberne, N. C."
When Burnside reorganized his forces on April 2, 1862, Foster was elevated to divisional command. In early July, Burnside was recalled to Virginia along with most of his troops to assist with Major General George B. McClellan's faltering Peninsula Campaign. Foster remained behind with seven thousand soldiers to hold what Burnside had gained in North Carolina. On July 1, 1862, Foster was placed in command of the Department of North Carolina. Commensurate with his new position, Foster was promoted to major general of volunteers on July 18, 1862. For the next year, Foster's small force, known as the 18th Army Corps, maintained a Federal foothold in Coastal Carolina.
On March 14, 1863, Foster was promoted to major in the regular army. Four months later, his command was expanded to the newly created Department of Virginia and North Carolina, effective July 15, 1863. He served as commander of that department until November 13.
In November 1863, Major General Ambrose Burnside asked to be relieved of his command of the Department of the Ohio due to illness. On November 16, the War Department issued General Orders Number 369, relieving Burnside of his command and replacing him with Foster. John G. Foster's tenure as commander of the Department of the Ohio lasted only two months, until February 9, 1864, when he was forced to step down due to serious injuries he sustained when his horse fell.
Following his accident, Foster went on sick leave until May 5, 1864. When he returned to active duty, Foster was placed in command of the Department of the South, which consisted of areas of Florida, Georgia, and South Carolina occupied by Federal troops. He served in that capacity until February 11, 1865. During his tenure, Foster assisted Major General William T. Sherman's March to the Sea by making demonstrations along the coast that diverted attention from Sherman's troops. On March 13, 1865, Foster was brevetted to brigadier-general in the regular army "for Gallant and Meritorious Services in the Capture of Savannah, Ga." On the same date, he was brevetted to major general in the regular army "for Gallant and Meritorious Services in the Field during the Rebellion."
On the August 7, 1865, Foster took command of the new Department of Florida, which embraced the whole State of Florida, in the Military Division of the Gulf. A little over one year later, he mustered out of the volunteer army on September 1, 1866 but remained on as commander of the Department of Florida as an officer in the regular army until December 5.
In January 1867, Foster was assigned to the Engineer Bureau, in Washington, D. C. He was promoted to lieutenant colonel with the Corps of Engineers on March 7, 1867. Foster served as an army engineer, working on internal improvement projects, until his death seven years later. Following an extended illness, Foster died at his home in Nashua, New Hampshire, on September 2, 1874, at the age of fifty-one years. He was buried there at Nashua Cemetery.
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"John Gray Foster," Ohio Civil War Central, 2020, Ohio Civil War Central. 6 Apr 2020 <http://www.www.ohiocivilwarcentral.com/entry.php?rec=1294>
"John Gray Foster." (2020) In Ohio Civil War Central, Retrieved April 6, 2020, from Ohio Civil War Central: http://www.www.ohiocivilwarcentral.com/entry.php?rec=1294
- Ambrose E. Burnside
- Battle of Fort Sumter
- Department of the Ohio
- General Orders, No. 181 (U.S. War Department)
- General Orders, No. 214 (U.S. War Department) (1862)
- General Orders, No. 217 (U.S. War Department) (1863)
- General Orders, No. 34 (U.S. War Department) (1864)
- General Orders, No. 369 (U.S. War Department)
- George B. McClellan
- George Pickett
- George Stoneman
- Letter from Henry W. Halleck to Quincy A. Gillmore (January 30, 1865)
- Mexican-American War
- Peninsula Campaign
- Sherman's March to the Sea
- Thomas J. Jackson
- William T. Sherman
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