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Federal (USV)


Augustus Morris Theiss

(1842 - 1904)

Home State: Pennsylvania

Branch of Service: Infantry

Unit: 90th Pennsylvania Infantry

Before Antietam

A 19 year old watchmaker in Germantown, Philadelphia, he enlisted and mustered as a Private in Company A, 90th Pennsylvania Infantry on 27 January 1862 in Philadelphia.

On the Campaign

He was wounded in the leg in action at Antietam on 17 September 1862.

The rest of the War

He was promoted to Corporal, date not given, and transferred to Company F, 11th Pennsylvania Infantry on 26 November 1864. He was discharged on 27 January 1865.

After the War

He was a clerk in Philadelphia.

References & notes

His service from the Card File 1 and Bates.2 Wound detail from Nelson.3 His gravesite is on Findagrave.


09/1842; Germantown, PA


11/03/1904; Philadelphia, PA; burial in Hillside Cemetery, Roslyn, PA


1   Commonwealth of Pennsylvania, Adjutant-General, Pennsylvania Civil War Veterans' Card File, 1861-1866, Published <2005, first accessed 01 July 2005, <>  [AotW citation 23627]

2   Bates, Samuel Penniman, History of the Pennsylvania Volunteers, 1861-65, Harrisburg: State of Pennsylvania, 1868-1871  [AotW citation 23628]

3   Nelson, John H., As Grain Falls Before the Reaper: The Federal Hospital Sites and Identified Federal Casualties at Antietam, Hagerstown: John H. Nelson, 2004, pg. 411  [AotW citation 23629]