He was born in 1828/29, in Ireland. [sources: date: 8 (32 in 1861), 9 (34 in 1863), 15 (46 in 1873). place: 8, 9]
When he enlisted, he was a laborer. [sources: 8, 9]
When he enlisted, he was 5 feet 4 inches tall, and had a dark complexion, blue eyes, and dark hair. [sources: 8, 9 (5'5")]
He enlisted and was mustered into service on 3 October 1861. He was enlisted for three years, at Philadelphia, Pennsylvania, by Lieutenant Pierce. He was a private, in company F. [sources: 1, 8, 12, 13, 16-17]
He fought at the Battle of Gettysburg. [source: 10]
He was detailed for duty in the Pioneer Corps on 15 August 1863, relieving William Critzler. [source: 1]
He reenlisted as a veteran volunteer on 24 December 1863. He was enlisted for three years, at Bealton, Virginia, by Lieutenant W H Carpenter. [sources: 1, 9]
On 15 April 1864, he was one of seven men in the regimental pioneer corps. [source: 3]
On 4 July 1864, he was detailed for duty in the pioneer corps at brigade headquarters. [sources: 4, 7]
On 15 November 1864, Sellers recommended him for duty in the Brigade Pioneer Corps. [source: 5]
On 17 November 1864, Sellers included him in a report "[i]n compliance with S.O. 59 dated Hd Qrs 5 Army Corps November 15" 1864". [source: 6]
He mustered out on 10 July 1865 with his company. He was a private, in company F. [sources: 1, 12, 13, 16-17]
He died on 12 October 1873, at 5th Street below Christian, Philadelphia, Pennsylvania. He died of inflammation of stomach. He was a laborer, and was married. On 14 October 1873, he was buried, at Cathedral Cemetery, Philadelphia, Pennsylvania. [sources: 11, 15]
On 9 December 1878, his widow, Sarah McCullough, applied unsuccessfully for a pension. [sources: 11, 14]
On 19 December 1930, a minor dependent, Theresa Dunn, applied unsuccessfully from Pennsylvania for a pension. [sources: 11, 14]
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)
2 special order 52, HQ 91st PA, 15 August 1863
3 general order 8, HQ 91st PA, 15 April 1864 (Peter McCollough)
4 letter, Sellers to Bennett, 4 July 1864
5 letter, Sellers to Bartlett, 15 November 1864
6 letter, Sellers to Bartlett, 17 November 1864
7 special order 61, HQ 91st PA, 4 July 1864 (Peter McCullough)
8 company F, descriptive roll, #53 (Peter McCullough)
9 company F, second descriptive roll, #13 (Peter McCoullough)
10 Pennsylvania Memorial, Gettysburg, Pennsylvania (P McCullough)
11 pension index, by regiment, 91st PA Infantry, company F (Peter McCullough)
12 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Peter McColough)
13 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Peter McCoullough)
14 pension index, by name (Peter McCullough)
15 death certificate, Philadelphia, Pennsylvania, 12 October 1873 (Peter McCully (or perhaps Peter M Cully))
16 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Peter McCullough)
17 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Peter McCollough)