[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 | Richard E. Earl | Private | February 20 /62 | Camp Stanton | Measles | Paid last by Maj. Campbell up to Decb 31 /61 |
| 2 | James Gilliland | " | Novbr 20 /61 | Philada | Drowned | Paid up to the 31st of Oct /62 [?] by Maj. Gibson |
| 3 | Aaron C Fetzer | " | Feb 22 /62 | Columbia Hosp DC | Typhoid Fever | " " " 31st Decbr /61 Maj Campbell [?] |
| 4 | Lewis W McChain | " | July 28 /62 | Hospital 91st PA Alexandria VA | Delerium Tremens | " " " 30th June /62 Maj Bruce |
| 5 | Joseph T Gebler | Seg't | May 3 /63 | Chancellorsville Va | Killed in action | " " " Maj Sheridan to include [?] Feb 28 63 |
| 6 | Peter Van Buren | Private | Nov 14 /63 | Stone [?] Genl Hospital Washington D.C. | Chronic Diarrhea | " " Maj Sheridan to include Feb 28 /[63?] |
| 7 | David Hall | " | June 18 /64 | Petersburg | Killed in Battle | |
| 8 | Henry Gray | " | " | " | " " | |
| 9 | Samuel Lamb | " | " | " | " " | |
| 10 | Patrick Cahill | " | " | " | " " | |
| 11 | William Connard | " | May 8 /64 | Cold Harbor | " " |