He was 30 years old when he enlisted in 1865 (2). He was born in Adams County, Pennsylvania (2).
He was a laborer (2).
He was 5 feet 8 inches tall, and had a dark complexion, blue eyes, and dark hair (2).
He was drafted (1, 3). He enlisted and was mustered into service on 28 February 1865 (1, 2). He was enlisted for one year, at Chambersburg, Pennsylvania, by Captain Eyster (2). He was mustered in as a private, at Chambersburg, Pennsylvania (3). His enlistment was credited to the sixteenth congressional district (2). He served as a private in company A (1).
He mustered out with his company on 10 July 1865 (1).
He applied successfully from Pennsylvania for a pension on 21 November 1887 (4, 5).
He died on 10 January 1899, at Haynesboro [sic], Pennsylvania (4). (As far as I have been able to determine, no place in Pennsylvania is or was named 'Haynesboro'.)
His widow, Anna Mary Smith, applied successfully from Pennsylvania for a pension on 1 February 1899 (4, 5).
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) (William H Smith)
2 company A descriptive roll, entry 160 (William H Smith)
3 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 6 August 2004 (William H Smith)
4 pension index, by regiment (William H Smith)
5 pension index, by name (William H Smith)
[I did not find an entry for him in Ancestry's index to the 1890 veterans' census (searched November 2005)