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Federal (USA)


Henry Whitely Patterson

(1836 - 1882)

Home State: Pennsylvania

Education: Washington and Jefferson College (Pa), Class of 1854

Branch of Service: Infantry

Unit: 4th United States Infantry

Before Antietam

He studied the law, then practiced in Uniontown, PA from 1857 until the start of the War. He was appointed 2nd Lieutenant in Company G, 8th Pannsylvania Reserves on 24 April 1861, was promoted to Adjutant in July 1861, and served with them to November 1861. He was commissioned 2nd Lieutenant, 4th US Infantry, to date from 24 October 1861. He was acting Regimental Adjutant from December 1861. Present at Yorktown, Gaines Mill, Malvern Hill, Manassas, and Antietam.

On the Campaign

Assigned to Company D, he was acting Adjutant on the Campaign.

The rest of the War

He was engaged at Fredericksburg, Chancellorsville, Gettysburg, Cold Harbor, to the surrender in April 1865. Promoted First Lieutenant on 28 December 1862, and as Regimental QM in 1863. He was then an aide-de-camp to commander, First Regular Brigade, Army of the Potomac in 1863.

After the War

Promoted Captain in April 1866, but unassigned in 1869 - probably while he was at Fort Fetterman, Wyoming Territory. He resigned in 1870. By 1873 he was living in Allgheney City, PA. He worked for the Pittsburg Steel Casting Company - serving as the Treasurer - until his death at age 46.

References & notes

Basic military information from Powell,1 Heitman,2, and Bates.3 His role at Antietam from Captain Dryer's Report. Details from family genealogists and a sketch in Biographical and Historical Catalogue of Washington and Jefferson College (1902).

He married Louisa Cass Dawson (b. 1839 or 1836) in 1866.

More on the Web

He was a signer, as witness, of the Fort Laramie Treaty (1868) between the United States and the Sioux Nation. The Pennsylvania Supreme Court ruled on a case involving his estate in 1896.


01/26/1836; Uniontown, PA


05/31/1882; Pittsburg, PA; burial in Allegheny Cemetery, Pittsburgh, PA


1   Powell, William Henry, A History of the Organization and Movements of the Fourth Regiment of Infantry, United States Army, Washington, DC: McGill and Witherow, Printers and Stereotypers, 1871, pp. 88 - 202  [AotW citation 13662]

2   Heitman, Francis Bernard, Historical Register and Dictionary of the United States Army 1789-1903, 2 volumes, Washington DC: US Government Printing Office, 1903, Vol. 1, pp. 774 - 775  [AotW citation 13671]

3   Bates, Samuel Penniman, History of the Pennsylvania Volunteers, 1861-65, Harrisburg: State of Pennsylvania, 1868-1871  [AotW citation 13672]