He was 29 years old when he was enlisted (4).
He was enlisted and mustered into service on 30 September 1861 (1, 4). He was enlisted at Philadelphia, Pennsylvania (4). He was mustered in as a private, at Philadelphia, Pennsylvania (4). He served as a private in company D (1).
He fought at the Battle of Gettysburg (6). He was killed on 3 July 1863 at Gettysburg, Pennsylvania (1, 3, 4, 5, 6). He was buried in the National Cemetery in Gettysburg, section 6 grave 51 (1, 2, 4, 5).
On 24 September 1863, his widow successfully applied for a pension (7).
Contact Chris Miller at millerch@cvn73.navy.mil about Patrick O'Connor.
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) (Patrick J O'Connor)
2 tombstone (Thanks to Chris Buckingham for the picture!)
3 company D, register of deaths (Patrick O Connor)
4 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 10 August 2004 (Patrick J O'Connor; rolls have 'O'Conner')
5 Veterans' cemeteries, on <www.ancestry.com> (searched 31 Mar 2005) (Patrick OConnor)
6 Pennsylvania Memorial, Gettysburg, Pennsylvania (P J O'Connor)
7 pension index, by regiment, 91st PA Infantry, company D (Patrick O'Conner)
[I did not find an entry for him in the index on <www.ancestry.com> to the pension index by name (searched March 2007)]