He was born in Cork, Ireland (5, 6). He was 22 years old when he was enlisted (5, 6).
He was a labo[rer] when he was enlisted (5, 6).
He was 6 feet tall, and had a light complexion, blue eyes, and light hair (5, 6).
He was enlisted and mustered into service on 27 September 1861 (1, 5, 6). He was enlisted for three years, at Philadelphia, Pennsylvania, by Captain Casner (5, 6). He was mustered in as a private in company K, by Captain Dye (1, 5, 6).
He fought at the Battle of Gettysburg (8).
On 30 December 1863, Sinex reported that he was one of 38 men who had less than fifteen months to serve who were unwilling to reenlist (2). On 2 January 1864, he was transferred to the 155th Pennsylvania Infantry, while those eligible were on veterans' leave (3, 4).
He mustered out on 6 November 1864 when his term expired (1, 7).
On 10 September 1869, his mother successfully applied for a pension (9).
His father successfully applied for a pension (9).
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 letter, Sinex to Marvin, 30 December 1863
3 consolidated morning report, 91st PA, 2 January 1864 (McCarty)
4 company K, list of men transferred, #31 (John McCarty)
5 company K, descriptive roll (John McCarty)
6 company K, third descriptive roll (John McCarty)
7 consolidated morning report, 91st Pennsylvania, 3 November 1864 (Privt McCarty)
8 Pennsylvania Memorial, Gettysburg, Pennsylvania (John McCarty)
9 pension index, by regiment, 91st PA Infantry, company K (John McCarthy [sic])