[Source: Descriptive rolls of 91st PA; National Archives and Record Administration]
[related page: officers in the 91st PA (Official Army Register)]
List of Commissioned Officers.
[A paper saying that only the descriptive list has been carded is at the bottom of the page; it claims that 210 names were carded, but the "Last 9 names [were] not carded [because] [t]hey will be carded with the Co's from which they were transferred"]| [No.] | Names | Rank | Date of Appointment. | Remarks. |
| [1] | Eli G. Sellers | Capt | Dec 2nd 61 | Mustered as Lt. Col. 91st P.V.V. Oct 31st 1864 |
| [2] | James H. Closson | 1st Lieut | Nov 19th 61 | Mustered as Capt of Co H to date Mar 1 64 |
| [3] | Howard W. Shipley | 2nd Lieut | Dec 2nd 61 | [blank] |
| [4] | John Edgar Jr. | Sergt. | Oct 10th 64. | Mustered as 1st Lieut of Co "G" to date Nov 1 64 |
| [5] | William Letourneau | Sergt | March 17 /65 | " " " " " " " to date March 17 /65 |
| [6] | William Spangler | Commis by the Gov of Penna from Civil Life Mar 17 /65 | " " Captain Co. G to date Mar 20 [?] /65 | |