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J.P. O'Neil

J.P. O'Neil

Federal (USV)


James P. O'Neil

(c. 1845 - 1902)

Home State: Pennsylvania

Branch of Service: Infantry

Unit: 155th Pennsylvania Infantry

Before Antietam

A student at St. Michael's Seminary, Pittsburgh, he enlisted at age 17 in Company E, 155th Pennsylvania Infantry on 22 August 1862.

On the Campaign

Camped at Young Ladies Seminary building in Urbana, MD on 16 September 1862. Noted for recording his name or other graffiti on the walls there.

The rest of the War

He was wounded at Spotsylvania Courthouse in May 1864. He was transferred to Company D, 9th Regiment, Veteran Reserve Corps. He was discharged by General Order, June 29, 1865.

After the War

He was a journalist for Pittsburgh newspapers. He died at the National Military Home in Dayton, OH in 1902.

References & notes

Basic information and his picture from Porter1. Further details from Bates2, who lists him as James P. O'Neal.


c. 1845


1902; Dayton, OH; burial in St. Mary's Cemetery, Pittsburgh, PA


1   Porter, John T. , Financial Secretary, and Charles F. McKenna, compiler & editor, Under the Maltese Cross, Antietam to Appomattox, the Loyal Uprising in Western Pennsylvania, 1861-1865: Campaigns of the 155th Pennsylvania Regiment, Pittsburgh: 155th Regimental Association, 1910, pp. 68 - 76  [AotW citation 13566]

2   Bates, Samuel Penniman, History of the Pennsylvania Volunteers, 1861-65, Harrisburg: State of Pennsylvania, 1868-1871  [AotW citation 13624]