[source: Descriptive Rolls of 91st PA; National Archives and Record Administration]
[related page: summaries of deaths]
[related page: names of members of the 91st PA who died during the war]
Register of Deaths.
| No. | Names. | Rank. | When. | Where. | Cause. | Remarks. |
| 1 | William McLaughlin | Private | Philada | Fall | While on duty | |
| 2 | Benjamin Vaughn | " | July 4 /62 | Alexandria | Fall | " " Confinement |
| 3 | Wm B. Elder | O. Sergt. | Dec 13th /62 | Washington DC | Wounds | Wounds rcvd at Fredicksbg |
| 4 | John Molyneux | O Sergt | July 2d 63 | Gettysburg Pa | " | " " " Gettysburg |
| 5 | Jacob A Lynn | Corporal | May 3 " | Chancellorsville | " | " " " Chancellorsville |
| 6 | Sebastian Badini | " | " " " | " | " | " " " " |
| 7 | Thomas Patterson | " | " " " | " | " " " " |