Civil War Union Major General, US Congressman. He was admitted to the bar in 1858, practiced law in Syracuse, New York and was elected to the State Assembly in 1859. At the outbreak of the Civil War, he was appointed Colonel of the 27th New York Infantry and led the regiment at the First Bull Run. Promoted Brigadier General in August, 1861, he commanded brigades at the Peninsula Campaign and distinguished himself at the Battle of Gains' Mill. In July, 1862, he was promoted Major General in command of the 1st Division, seeing action at the Second Bull Run and Chancellorsville. At the Battle of Gettysburg, he commanded the XII Corps and after Gettysburg, he was sent to Tennessee to command the XI and XII Corps. In 1864, his Army engaged in the Carolina Campaign and after the Confederate surrender, he commanded the Department of the Mississippi before resigning from the Army in September, 1865. In 1869, he was elected as a Democrat to the 41st and 42n Congresses, serving until 1873. He was again elected as a Representative at Large to the 48th Congress, serving 1883 to 1885.
Civil War Union Major General, US Congressman. He was admitted to the bar in 1858, practiced law in Syracuse, New York and was elected to the State Assembly in 1859. At the outbreak of the Civil War, he was appointed Colonel of the 27th New York Infantry and led the regiment at the First Bull Run. Promoted Brigadier General in August, 1861, he commanded brigades at the Peninsula Campaign and distinguished himself at the Battle of Gains' Mill. In July, 1862, he was promoted Major General in command of the 1st Division, seeing action at the Second Bull Run and Chancellorsville. At the Battle of Gettysburg, he commanded the XII Corps and after Gettysburg, he was sent to Tennessee to command the XI and XII Corps. In 1864, his Army engaged in the Carolina Campaign and after the Confederate surrender, he commanded the Department of the Mississippi before resigning from the Army in September, 1865. In 1869, he was elected as a Democrat to the 41st and 42n Congresses, serving until 1873. He was again elected as a Representative at Large to the 48th Congress, serving 1883 to 1885.
Bio by: John "J-Cat" Griffith
Family Members
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Matthew Barnard Slocum
1788–1853
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Mary Lowell Ostrander Slocum
1791–1865
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Caroline A Rice Slocum
1830–1899
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Sarah E. Slocum
unknown–1864
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Elizabeth Coggeshall Slocum Morgan
1815–1892
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John Ostrander Slocum
1820–1885
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Barnard Slocum
1822–1862
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George Engs Slocum
1824–1906
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Avis Slocum Bailey
1831–1865
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Florence Elizabeth Slocum Kingsbury
1859–1939
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Henry Warner Slocum
1862–1949
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Clarence Rice Slocum
1871–1912
Flowers
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See more Slocum memorials in:
Records on Ancestry
Henry Warner Slocum
U.S., Civil War Soldier Records and Profiles, 1861-1865
Henry Warner Slocum
New York, U.S., State Census, 1865
Henry Warner Slocum
New York, U.S., State Census, 1875
Henry Warner Slocum
1880 United States Federal Census
Henry Warner Slocum
Biographical Directory of the United States Congress, 1774-2005
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