He was 39 when he enlisted (4 [42 in 1863], 10). He was born in Philadelphia, Pennsylvania (4, 10).
He was a teamster (4, 10). He was living in Philadelphia when he was enrolled (10).
He was 5 feet 10-1/2 inches tall, had a light complexion, blue eyes, and light hair (4, 10 [5'11", dark complexion, gray eyes, brown hair]).
He was enrolled and mustered into service as a private in company E on 21 August 1861, at Philadelphia, Pennsylvania (1, 10).
He fought at the battle of Gettysburg (7).
He may have been placed under arrest on 27 August 1863, by William Carpenter (8). If so, he was released on 30 August 1863 (9).
He re-enlisted for three years, as a veteran volunteer on 24 December 1863, at Bealton, Virginia (1, 4, 10 [26 Dec]). He was enlisted by Lieutenant Carpenter, and mustered into service by Lieutenant Swann (perhaps relating to his original enlistment?) (4).
He was promoted to corporal on 18 September 1864, for soldierly conduct (bravery on the battlefield) (3, 4, 5 [16 September]).
He was killed in action on 27 October 1864 at Hatcher's Run, Virginia (1, 3), while charging the enemy's works (2, 10, 11). He was shot through the thigh; before he could be taken off the field, he was shot through the head (4).
His widow, Anna B Dougherty, applied successfully for a pension on 26 January 1865 (6, 12).
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)
3 list of non-commissioned officers, company E
4 descriptive roll, company E, entry 31 (William Dougherty)
5 special order 79, headquarters, 91st Pennsylvania Infantry, 16 September 1864
6 Veterans' administration. Pension index, by name. (Searched 17 Jan 2001, at <www.ancestry.com>.) (William Dougherty)
7 Pennsylvania Memorial, 91st Pennsylvania plaque, Gettysburg, Pennsylvania (Wm Dougherty)
8 consolidated morning report, 91st PA, 27 August 1863 (W Dougherty [may be William Dougherty)
9 consolidated morning report, HQ 91st PA, 30 August 1863 (Pri Dougherty [may be William Dougherty)
10 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 6 May 2004 (William Dougherty)
11 consolidated morning report, 91st Pennsylvania, 30 October 1864 (Corpl Dougherty)
12 pension index, by regiment, 91st PA Infantry, company E (William Dougherty)
[I did not find an entry for Anna Dougherty in the Ancestry index to the 1890 veteran's census (searched June 2007)]
[I did not find an entry for him on Rootsweb WorldConnect (searched June 2007)]