He was born in 1819/20 (3 (42 in 1862)). He was born in Prince George County, Maryland (3).
When he enlisted, he was a laborer (3).
When he enlisted, he was 5 feet 10-1/2 inches tall, and had a dark complexion, blue eyes, and dark hair (3).
He enlisted on 19 July 1862 (3, 4). He was enlisted for three years, at Alexandria, Virginia, by Captain Henry (3). He was mustered in on 29 July 1862, as a private in company H, at Washington, DC, by Captain Dodge (1, 3, 6). He was paid $29 in bounty and premium (3).
He was discharged at Alexandria, Virginia, on 3 October 1862 on surgeon's certificate of disability (1, 2, 3, 4). He was a private, in company H (6).
On 17 November 1869, he successfully applied for a pension (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 Cook)
2 company H, register of men discharged, #22 (William Cook)
3 company H, descriptive list, #102 (William Cook)
4 pension index, by regiment, 91st PA Infantry, company H (William Cook)
5 pension index, by name (William Cook)
6 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (William Cook)