He was born in 1826/27 (2 (38 in 1865)).
He was a substitute (1, 2). He enlisted and was mustered into service on 25 March 1865 (1, 2). He was mustered in as a private, at Chambersburg, Pennsylvania (2). He was a private in company B (1, 5).
He was discharged on 15 June 1865 by general order (1, 2, 4). He was a private, in company B (5).
On 23 May 1888, he applied successfully for a pension (3).
He died on 4 June 1893, at Alum Bank, Pennsylvania (3).
1 Bates, Samuel Penniman. History of Pennsylvania volunteers, 1861-5. Harrisburg: B. Singerly, state printer, 1869-71. 5 volumes. 'Ninety-first regiment', volume 3, pages 186-233. (In the roster) (Isaac Smith)
2 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 29 June 2004 (Isaac Smith)
3 pension index, by regiment (Isaac Smith)
4 consolidated morning report, 91st Pennsylvania, 25 June 1865 (Smith)
5 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Isaac Smith)