He was 24 years old when he was enlisted (2).
He also served in company A of the 2nd Indiana Infantry (3, 5).
He was enlisted and mustered into service on 19 August 1861 (1, 2). He was enlisted at Baltimore, Maryland (2). He was mustered in as a private at Baltimore, Maryland (2). He served as a private in company D (1).
He was transferred on 15 July 1863 to the Veterans' Reserve Corps (1, 2 [15 Jul 65 (sic)]). He served in E 21 VRC, and in the 5th Independent Company, 1st Battalion VRC (3, 5).
On 18 October 1872, his widow, Christina Bergner, applied successfully for a pension (3, 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) (John Bergner)
2 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 8 Aug 2004 (John Bergner)
3 pension index, by name (John Bergner)
4 pension index, by regiment, 91st PA Infantry, company D (John Bergner)
[I did not find an entry for him in the index on <www.ancestry.com> to the 1890 veterans' census (searched April 2007)]