He was born in 1826/27 (2 (38 in 1865)). He was born in Wales (2).
When he enlisted, he was 5 feet 10 inches tall, and had a fair complexion, hazel eyes, and light hair (2).
He was a substitute (1). He enlisted and was mustered into service on 23 March 1865 (1, 2, 4). He was enlisted for one year, at Hollidaysburg, Pennsylvania, by Captain Lloyd (2). He was a private in company C (1, 5).
He mustered out with his company on 10 July 1865 (1, 4). He was a private, in company C (5).
On 19 July 1890, he applied successfully from Illinois for a pension (3, 4).
He died on 27 September 1899 (4).
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 O Harris)
2 company C, descriptive book, entry 138 (William O Harris)
3 pension index, by name (William O Harris)
4 pension index, by regiment, 91st PA Infantry, company C (William O Harris)
5 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (William O Harris)