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Federal (USV)


Robert M. Johnston

(1842 - 1862)

Home State: Pennsylvania

Branch of Service: Infantry

Unit: 125th Pennsylvania Infantry

Before Antietam

A 19 year old clerk in Williamsburg, Blair County, he enlisted as Private, Company C, 3rd Pennsylvania Infantry for 3 months service on 29 July 1861. He had been promoted to 2nd Lieutenant by the time he mustered out with them on 29 July in Harrisburg. He enrolled for active service again on 16 August 1862 and was commissioned First Lieutenant and Adjutant of the 125th Pennsylvania Infantry.

On the Campaign

At Antietam on 17 September 1862

My adjutant, R. M. Johnston, who acted as Major in the absence of Major Lawrence, who has been in the Georgetown hospital for some time, fell, mortally wounded. His conduct on the field during the whole action was most gallant.
He died two days later.

References & notes

Service information from Wallace1 and Bates.2 The quote above from Colonel Higgins' Report. Personal details from family genealogists and the US Census of 1860. His gravesite is on Findagrave.


10/17/1842; Blair County, PA


09/19/1862; Sharpsburg, MD; burial in Presbyterian Cemetery, Williamsburg, PA


1   Wallace, William W. (Chairman), and the Regimental Committee, History of the One Hundred and Twenty-fifth Regiment Pennsylvania Volunteers, Philadelphia: J.B,. Lippincott Co., 1906, pp. 22 - 74  [AotW citation 1244]

2   Bates, Samuel Penniman, History of the Pennsylvania Volunteers, 1861-65, Harrisburg: State of Pennsylvania, 1868-1871  [AotW citation 26208]