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New York State Military Museum and Veterans Research Center - Unit History Project
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12th Cavalry Regiment
Civil War
Ira Harris Cavalry; Third Ira Harris Guard

The following is taken from New York in the War of the Rebellion, 3rd ed. Frederick Phisterer. Albany: J. B. Lyon Company, 1912.

During its service it lost by death, killed in action, 2 officers, 20 enlisted men; died of wounds received in action, I officer, 16 enlisted men; died of disease and other causes, 5 officers, 178 enlisted men; total, 8 officers, 214 enlisted men; aggregate, 222; of whom 1 officer and 84 enlisted men died in the hands of the enemy.

Battles and Casualties Table from Phisterer

Civil War Newspaper Clippings

12th Cavalry Flank Marker 12th Cavalry Flank Marker

Muster Roll

Unit Roster

Further Reading
This is meant to be a comprehensive list. If, however, you know of a resource that is not listed below, please send an email to with the name of the resource and where it is located. This can include photographs, letters, articles and other non-book materials. Also, if you have any materials in your possession that you would like to donate, the museum is always looking for items specific to New York's military heritage. Thank you.

Budington, William Ives. A memorial of Giles F. Ward, Jr., late First Lieut. Twelfth N.Y. cavalry, by William Ives Budington. New York: Anson D. F. Randolph 1866.

Cooper, Alonzo. In and out of Rebel prisons, by Lieut. A. Cooper, 12th N.Y. cavalry. Oswego: R. J. Oliphant, printer, 1888.

Johnson, Crisfield. ... History of Oswego County, New York. : With illustrations and biographical sketches of some of its prominent men and pioneers. Philadelphia: L.H. Everts & co, 1877, 1991.

Lane, Mrs. Charles H. "The Story of Lieut. A. Coopper ... Civil War Veteran, Author and Poet." Oswego County Historical Society Publication, 13 (1950) 62-71.
Thanks to Tom Ebert for finding this resource.

Savage, James Woodruff. The loyal element of North Carolina during the war, a paper read before the Nebraska commandery of the Military order of the loyal legion of the United States, May 5, 1886, by James W. Savage, late Colonel 12th N.Y. cavalry. Omaha: [Omaha Republican print] 1886.

Slosek, Anthony M. Oswego County, New York, in the Civil War. Oswego, N.Y. Oswego County Civil War Centennial Committee, 1964.

Snyder, Charles McCool. Oswego County, New York, in the Civil War. Oswego, NY: Oswego County Historical Society, 1962.

Items the museum holds are in bold.

New York State Division of Military and Naval Affairs: Military History
Last modified: February 8, 2018

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