| ACHURST, John | Recruit | Pontiac | --- | Mustered out Mar 26, 1865 |
| ADAMS, Alonzo | Private | Ottawa | Feb 13, 1862 | Deserted May 16, 1863 |
| ALLISON, Rolland H | Captain | Ottawa | Nov 11, 1861 | Promoted Major |
| ARMS, Nelson C | Private | Morris | Nov 11, 1861 | Discharged Oct 19, 1862 |
| AUSKIE, Andrew | Veteran | Morris | Feb 1, 1864 | MO July 15, 1865; was pris. |
| AUSKIE, Andrew | Private | Morris | Dec 10, 1861 | Re-enlisted as Veteran |
| BAGBY, John | Recruit | LaSalle | --- | Died Oct 7, 1862; wounds |
| BARNES, George | Recruit | Ottawa | --- | Disch, Jan 25, 1865; disabil. |
| BARNHARDT, Miller | Recruit | Mendota | --- | Discharged Oct 21, 1862 as Corp'l; disabil. |
| BARRACK, Alexander | D&S Recruit | Wilcox | Nov 25, 1864 | Mustered out July 22, 1865 |
| BAXTER, Ralph A | Private | Ottawa | Feb 13, 1862 | Mustered out Mar 26, 1865 |
| BECKWITH, Daniel | Veteran | Ottawa | Feb 1, 1864 | Mustered out July 22, 1865 |
| BECKWITH, Daniel | Private | Ottawa | Nov 11, 1861 | Re-enlisted as Veteran |
| BENTON, Thomas H | Private | Morris | Nov 11, 1861 | Mustered out Nov 13, 1864 |
| BOOZ, John | D&S Recruit | Sharon | Nov 30, 1864 | Mustered out July 22, 1865 |
| BRASHIER, Daniel | D&S Recruit | Sonora | Nov 16, 1864 | Mustered out July 22, 1865 |
| BRUNK, William | Veteran | Morris | Feb 1, 1864 | Mustered out July 22, 1865 |
| BRUNK, William | Corporal | Morris | Dec 6, 1861 | Re-enlisted as Veteran |
| BRYANT, Jesse M | Recruit | LaSalle | --- | Discharged Jan 1, 1865 |
| BUMGARDNER, Abram B | Veteran | Ottawa | Feb 1, 1864 | MO July 22, 1865 as Serg't. |
| BUMGARDNER, Abram B | Recruit | Ottawa | --- | Re-enlisted as Veteran |
| BUMGARDNER, Oscar | Veteran | Ottawa | Feb 1, 1864 | Mustered out July 22, 1865 |
| BUMGARDNER, Oscar | Private | LaSalle | Dec 4, 1861 | Re-enlisted as Veteran |
| CAMPBELL, David W | Recruit | Pontiac | --- | MO July 22, 1865; pris. war |
| CAMPBELL, George B | Corporal | Ottawa | Nov 11, 1861 | Disch, Apr 29, 1863; disabil. |
| CARMODY, Thomas | D&S Recruit | Litchfield | Dec 5, 1864 | Mustered out July 22, 1865 |
| CLARK, Augustus W | Veteran | Ottawa | Feb 1, 1864 | Prom. Sergeant Major |
| CLARK, Augustus W | Musician | Harding | Nov 11, 1861 | Re-enlisted as Veteran |
| COLE, Lyman N | Veteran | Ottawa | Feb 1, 1864 | MO July 22, 1865. Red. From 1st Serg. by his request |
| COLE, Lyman N | Private | Ottawa | Nov 11, 1861 | Re-enlisted as Veteran |
| COLESTOCK, David | Recruit | Norton | --- | MO July 15, 1865; pris. war |
| CONNOR, Henry B | Private | Ottawa | Nov 11, 1861 | Disch, Apr 25, 1862; disabil. |
| COOK, J Lewis | Private | Snachwine | Nov 18, 1861 | Disch. by civil authority, Mar 9, 1862 |
| COOPER, Richard | Private | Otter Creek | Dec 12, 1861 | Killed, Vicksburg, Jun 25, 1863 |
| CORBY, Thomas | D&S Recruit | Virginia | Feb 25, 1865 | Sub. Deserted Jun 20, 1865 |
| CUNNINGHAM, Eli M | D&S Recruit | Fayette Co | Nov 30, 1864 | Mustered out July 22, 1865 |
| DALEY, John | Private | --- | Dec 23, 1861 | Mustered out Mar 29, 1864 |
| DAVIS, George W | Recruit | Peru | --- | Disch, Aug 31, 1862; disabil. |
| DAVIS, Henry M | Recruit | Morris | --- | Disch, May 2, 1863; disabil. |
| DEAN, Monroe | Private | Ottawa | Nov 11, 1861 | Discharged Mar 1, 1863 as Serg't; disability |
| DEGUSTINE, Frank | Recruit | --- | Apr 27, 1864 | Disch, Aug 23, 1864; minor |
| DENNY, James H | Private | Granville | Nov 14, 1861 | Mustered out Nov 17, 1864 |
| DESNEY, Joseph | Recruit | --- | --- | Absent, sick at MO of Regt. |
| DIAL, Eli | D&S Recruit | Loudon | Nov 30, 1864 | Mustered out July 22, 1865 |
| DODGE, Job P | Corporal | Morris | Nov 11, 1861 | Deserted Sep 6, 1862 |
| DONNELLY, John | Corporal | Gardner | Nov 26, 1861 | Serg't. Killed at Jackson, Miss., July 12, 1863 |
| ENGLEHARDT, Jacob J | Private | Ottawa | Nov 11, 1861 | Disch, Jun 24, 1863; disabil. |
| EVANS, John A | Recruit | Pontiac | --- | Mustered out Mar 25, 1865 |
| FELLOWS, Joseph B | Recruit | Mission | --- | Mustered out Feb 8, 1865 |
| FLINT, Charles A | Veteran | Peru | Mar 7, 1864 | Disch, Jun 30, 1865 as Corp'l. |
| FLINT, Charles A | Recruit | Peru | --- | Re-enlisted as Veteran |
| FORBES, Charles | D&S Recruit | Ross | Sep 26, 1864 | Sub. MO July 3, 1865 |
| FORBES, Horace | Private | Leland | Dec 2, 1861 | Disch, Oct 19, 1862; disabil. |
| FOWLER, Henry | Recruit | Pontiac | --- | Mustered out Apr 22, 1865 |
| FOX, Joseph W | Private | Ottawa | Nov 11, 1861 | Died at Savannah, Tenn., Apr 2, 1862 |
| FRARY, Charles H | Recruit | Chicago | --- | Mustered out July 22, 1865 |
| FRARY, Franklin | Recruit | Morris | Feb 9, 1864 | Mustered out July 22, 1865 |
| GALLOWAY, James | Veteran | Morris | Feb 1, 1864 | Mustered out July 22, 1865 |
| GALLOWAY, James | Private | Morris | Dec 27, 1861 | Re-enlisted as Veteran |
| GARDNER, Moses H | Veteran | Morris | Feb 1, 1864 | Mustered out July 22, 1865 |
| GARDNER, Moses H | Recruit | Morris | --- | Re-enlisted as Veteran |
| GARDNER, William | Recruit | Jerseyville | --- | Mustered out May 11, 1865 |
| GILLESPIE, Thomas J | Private | Morris | Dec 18, 1861 | Corp'l. Killed at Jackson, Miss., July 12, 1863 |
| GILMORE, John R | Musician | Otter Creek | Nov 11, 1861 | Prom. Principal Musician |
| GILPIN, Thomas J | Recruit | Avoca | --- | Died at Tunnel Hill, Ga., Feb 22, 1865 |
| GILSON, Thedore C | Captain | --- | Nov 11, 1861 | Not com. as Capt. Pro. Maj. |
| GREENWOOD, Theo. E | Recruit | Morris | --- | Died near Grand Junction, Tenn., Jun 16, 1862 |
| GRIFFIN, William H | Recruit | Morris | --- | Corp'l. Killed at Jackson, Miss., July 12, 1863 |
| GRISWOLD, Seldon B | 1st Lt. | Ottawa | Nov 11, 1861 | Resigned Sep 29, 1862 |
| HALLITT, Charles | Recruit | Utica | --- | Mustered out Mar 26, 1865 |
| HENRY, Clark | 1st Lt. | Otter Creek | Apr 27, 1864 | Resigned Apr 6, 1865 |
| HANEY, Clark B | Veteran | Ottawa | Feb 1, 1864 | Pro. 1st Serg't, then 1st Lt. [Apr 11, 1864] |
| HANEY, Clark B | Sergeant | Otter Creek | Nov 11, 1861 | Re-enlisted as Veteran |
| HARDY, George | D&S Recruit | Cold Spring | Dec 1, 1864 | Mustered out July 22, 1865 |
| HARPHUM, Samuel | Veteran | Gardner | Jan 6, 1864 | Mustered out July 22, 1865 |
| HARPHUM, Samuel | Private | Gardner | Nov 11, 1861 | Re-enlisted as Veteran |
| HIGH, William | Recruit | --- | --- | Died at Marietta, Ga., Oct 3, 1864 |
| HIGHSHEW, C Perry | Recruit | Pontiac | --- | Mustered out Mar 26, 1865 |
| HILBRAN, Joseph | Recruit | --- | --- | Mustered out July 22, 1865 |
| HILL, John H | Recruit | Mud Creek | --- | Disch, Jun 18, 1865; disabil. |
| HODGSON, Albert | Private | Ottawa | Dec 6, 1861 | Killed at Matamora, Tenn., Oct 5, 1862 |
| HOLSEY, Henry | Private | Morris | Nov 11, 1861 | Mustered out Nov 13, 1864 |
| HOLTON, Wilson | Private | Morris | Dec 10, 1861 | Deserted Mar 23, 1862 |
| HOLTZMAN, Robert C | Private | Morris | Dec 10, 1861 | Deserted Mar 23, 1862 |
| HOSELTON, Eugene A | Private | Snachwine | Nov 11, 1861 | Deserted Oct 26, 1862 |
| HOUGH, Lewis | D&S Recruit | Mendota | Oct 12, 1864 | Sub. Never joined Co. |
| HUMPHREY, James M | Private | Leland | Nov 11, 1861 | Died at Camp Douglas, Ill., Mar 10, 1862 |
| HUNT, Lorenzo | Recruit | Morris | --- | Died, Corinth, Jun 22, 1862 |
| HUNT, Sheldon | Recruit | Morris | --- | Disch, July 29, 1862; disabil. |
| HUPPER, John | D&S Recruit | Concord | Oct 17, 1864 | Never joined Co. |
| HYLING, Charles | Recruit | Peru | --- | Mustered out Mar 26, 1865 |
| KENNEDY, Hugh | 2nd Lt. | Oswego | Jun 2, 1865 | Mustered out July 22, 1865 |
| KENNEDY, Hugh | Veteran | Aurora | Feb 1, 1864 | Prom. Serg't, then 2d Lt. [May 19, 1865] |
| KENNEDY, Hugh | Private | Oswego | Nov 23, 1861 | Re-enlisted as Veteran |
| KENNEDY, Lewis N | Captain | Ottawa | Apr 27, 1864 | Resigned July 8, 1865 |
| KENNEDY, Lewis N | 1st Lt. | Ottawa | Sep 15, 1863 | Promoted [Apr 11, 1864] |
| KENNEDY, Lewis N | 2nd Lt. | Ottawa | May 2, 1863 | Promoted [Jan 2, 1863] |
| KENNEDY, Lewis N | Sergeant | Ottawa | Nov 11, 1861 | Promoted 2d Lieutenant [Sep 29, 1862] |
| KENNEDY, Orrin | Private | Oswego | Nov 11, 1861 | Died, St Louis, May 29, 1862 |
| KENNETT, Frederick A | Private | Greenfield | Nov 11, 1861 | Disch, Oct 18, 1862; disabil. |
| KIDD, George W | Private | LaSalle | Nov 11, 1861 | Mustered out Nov 13, 1864 |
| KING, Robert | D&S Recruit | La Harpe | Dec 7, 1864 | Sub. MO July 22, 1865 |
| LAHEY, Thomas | D&S Recruit | Madison Co | Nov 30, 1864 | Sub. MO July 22, 1865 |
| LARY, John H | Veteran | Ottawa | Feb 1, 1864 | Mustered out July 22, 1865 |
| LARRY, John H | Private | Grand Rapids | Nov 11, 1861 | Re-enlisted as Veteran |
| LATTIMORE, Thomas | Private | Morris | Feb 13, 1862 | Unofficially reported died at St Louis |
| LEONARD, Joseph A | Private | --- | Nov 11, 1861 | Tr. to Co. I, 15th Ill. Cav. |
| LEONARD, Patrick | D&S Recruit | Quincy | Dec 7, 1864 | Sub. MO July 22, 1865 |
| LEONGHEAD, Thomas S | Private | Morris | Dec 10, 1861 | Died at Bolivar, Tenn., Oct 26, 1862 |
| LLOYD, Aaron | Recruit | Fairbury | --- | Mustered out July 22, 1865 |
| LONNEY, William | Veteran | Chicago | Feb 1, 1864 | Mustered out July 22, 1865 |
| LONNEY, William | 1st Serg. | Chicago | Nov 11, 1861 | Re-enlisted as Veteran |
| LOVE, Oscar | Recruit | Joliet | --- | Mustered out Mar 17, 1865 |
| LYON, Jesse M | Private | Lyon | Dec 27, 1861 | Disch, July 29, 1862; disabil. |
| LYONS, John N | Veteran | Felix | Feb 1, 1864 | Died at Atlanta, Oct 30, 1864 |
| LYON, John N | Private | Felix | Nov 15, 1861 | Re-enlisted as Veteran |
| LYSTER, Samuel D | Private | Kankakee | Nov 19, 1861 | Deserted Jun 28, 1864 |
| MALCOMB, Charles | Veteran | Morris | Feb 1, 1864 | MO July 22, 1865 as Corp'l. |
| MALCOMB, Charles | Private | Morris | Dec 10, 1861 | Re-enlisted as Veteran |
| MARCH, Alonzo B | Recruit | Odell | Mar 24, 1864 | Trans. from 41st Ill. MO July 22, 1865 |
| MASLIN, Jacob G | D&S Recruit | Walnut | Dec 2, 1864 | Sub. MO July 22, 1865 |
| MASSEY, Joshua | D&S Recruit | Fairview | Dec 5, 1864 | Never joined Co. |
| McCULLOCH, Oliver | Recruit | Deer Park | --- | Mustered out July 22, 1865 |
| McDONALD, Dennis | Recruit | Pontiac | --- | Mustered out May 21, 1865 |
| McFARLAND, Joseph E | Recruit | Chenoa | --- | Mustered out Mar 26, 1865 |
| McGAFFIN, George | Recruit | Ottawa | --- | Disch, Apr 7, 1863; disabil. |
| McKAY, Peter | Recruit | Ottawa | --- | Mustered out Mar 26, 1865 |
| McKINNY, Daniel | D&S Recruit | Sharon | Nov 30, 1864 | Mustered out July 22, 1865 |
| McREADY, John | Veteran | Morris | Jan 6, 1864 | MO July 22, 1865 as Corp'l. |
| McREADY, John | Private | Morris | Nov 26, 1861 | Re-enlisted as Veteran |
| MILLER, Charles D | Private | --- | Nov 11, 1861 | Prom. Hospital Steward |
| MILLER, James K | Recruit | Morris | --- | Mustered out Feb 8, 1865 |
| MINARD, Henry H | Recruit | Earlville | Apr 27, 1864 | Mustered out July 22, 1865 |
| MONROE, David C | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| MONTGOMERY, James B | Veteran | Ottawa | Feb 1, 1864 | MO July 22, 1865 as 1st Sgt. |
| MONTGOMERY, James B | Private | LaSalle Co | Nov 16, 1861 | Re-enlisted as Veteran |
| MOONEY, David | Sergeant | Ottawa | Nov 11, 1861 | Disch, Sep 18, 1862 as 1st Serg't; disability |
| MORRISON, John W | Recruit | Ottawa | --- | Died, Bolivar, T., Oct 22, 1862 |
| MORY, Francis | Recruit | Oswego | --- | Mustered out Mar 26, 1865 |
| MUNSELL, Rodney D | Private | Morris | Dec 16, 1861 | Deserted July 29, 1862 |
| MURPHY, James | D&S Recruit | LaSalle | Nov 26, 1864 | Sub. Never joined Co. |
| MURRAY, John W | Private | Ottawa | Nov 11, 1861 | Disch, Dec 16, 1862; disabil. |
| MUSGRAVE, John G | D&S Recruit | --- | --- | Died at David's Island, N.Y., Mar 17, 1865 |
| NARRY, Patrick | Private | Ottawa | Dec 8, 1861 | Disch, Camp Dennison, O. |
| NEAL, Anthony I | Private | LaSalle | Nov 11, 1861 | Mustered out Mar 26, 1865 |
| NEAL, Jacob | Private | LaSalle | Nov 11, 1861 | Killed, Vicksburg, Jun 25, 1863 |
| NESTER, John C | Private | --- | Nov 30, 1861 | --- |
| PFAFFLE, Jacob | Veteran | Chicago | Feb 1, 1864 | Mustered out July 22, 1865 |
| PFAFFLER, Jacob | Private | Chicago | Nov 11, 1861 | Re-enlisted as Veteran |
| PARR, Jesse A | Recruit | Ottawa | --- | Mustered out Feb 8, 1865 |
| PATTERSON, James L | Recruit | Peru | --- | MO July 22, 1865; was pris. |
| PIPER, Joseph L | Veteran | Chicago | Feb 1, 1864 | Deserted Nov 10, 1864 |
| PIPER, Joseph L | Sergeant | Chicago | Nov 11, 1861 | Re-enlisted as Veteran |
| PUTNAM, George | Recruit | Belle Prairie | Oct 14, 1864 | Sub. Never reported to Co. |
| READY, Jesse | Veteran | Ottawa | Feb 1, 1864 | MO May 26, 1865 as Serg't. |
| READY, Jesse | Corporal | Otter Creek | Nov 11, 1861 | Re-enlisted as Veteran |
| REED, James | Recruit | Chicago | Nov 22, 1864 | Mustered out July 22, 1865 |
| REED, Levi T | D&S Recruit | Bonpas | Sep 29, 1864 | Mustered out July 3, 1865 |
| REILLY, Charles W | Private | Chicago | Nov 11, 1861 | Died, Keokuk, July 17, 1862 |
| ROBINSON, Andrew | Private | Joliet | Nov 11, 1861 | Disch, July 4, 1863; disabil. |
| RUBLE, William E | Recruit | Chicago | --- | Mustered out Mar 26, 1865 |
| RUTHERFORD, Henry | 1st Lt. | Morris | May 19, 1865 | Mustered out July 22, 1865 |
| RUTHERFORD, Henry | 2nd Lt. | Morris | Dec 23, 1864 | Promoted [May 19, 1865] |
| RUTHERFORD, Henry | Veteran | Morris | Feb 1, 1864 | Pro. 1st Sgt., then 2d Lieut. [Dec 23, 1864] |
| RUTHERFORD, Henry | Recruit | Morris | --- | Re-enlisted as Veteran |
| SABERLING, Owen | Recruit | Newtown | Jan 6, 1865 | Mustered out July 22, 1865 |
| SAMPSON, Stephen D | Veteran | Harding | Feb 1, 1864 | Mustered out July 22, 1865 |
| SAMPSON, Stephen D | Corporal | Harding | Nov 11, 1861 | Re-enlisted as Veteran |
| SCLOSSER, Samuel | Recruit | Pontiac | --- | Mustered out July 22, 1865 |
| SEELY, Jerome B | Corporal | Morris | Dec 10, 1861 | Transferred to Co. G |
| SHADE, Frederick L | Recruit | Oconee | --- | Mustered out July 22, 1865 |
| SHELTON, John B | D&S Recruit | --- | --- | Sub. MO July 22, 1865 |
| SHERMAN, William | Private | Ottawa | Dec 1, 1861 | Mustered out Dec 31, 1864 |
| SLATER, John H | Recruit | --- | --- | Mustered out July 22, 1865 |
| SLIGAR, Simon | D&S Recruit | Wheatland | Nov 30, 1864 | Mustered out July 22, 1865 |
| SMALLEY, John | Private | Allen | Dec 21, 1861 | See Co. G |
| SMITH, Jarvis B | Captain | Ottawa | --- | Died Apr 11, 1864 |
| SMITH, Jarvis B | 1st Lt. | Ottawa | Nov 14, 1862 | Promoted [Jan 2, 1863] |
| SMITH, Jarvis B | 2nd Lt. | Ottawa | Jan 1, 1862 | Promoted [Sep 29, 1862] |
| SMITH, Joseph | Veteran | Ottawa | Feb 1, 1864 | Mustered out July 22, 1865 |
| SMITH, Joseph | Private | Ottawa | Dec 1, 1861 | Re-enlisted as Veteran |
| SMITH, Lewis | Recruit | --- | --- | Never muster'd. Deserted Apr 28, 1864 |
| SPECIA, Gilberg | Recruit | Morris | --- | Discharged Apr 23, 1864 |
| SPECIA, Peter | Recruit | Morris | --- | Mustered out Feb 8, 1865 |
| STALEY, John S | D&S Recruit | Wabash | Nov 26, 1864 | Sub. Never joined Co. |
| STARKWEATHER, Elisha | Veteran | Ottawa | Mar 7, 1864 | MO July 22, 1865 as Serg't. |
| STARKWEATHER, Elisha | Recruit | LaSalle Co | --- | Re-enlisted as Veteran |
| STRAWBRIDGE, Isaac | D&S Recruit | Licking | Nov 30, 1864 | Sub. Never joined Co. |
| STRONG, Ira | Private | Newark | Dec 16, 1861 | Transferred from Co. G |
| STUMPH, Thomas R | Veteran | Ottawa | Feb 1, 1864 | Promoted Hosp. Steward |
| STUMPH, Thomas R | Recruit | Ottawa | --- | Re-enlisted as Veteran |
| SWAB, John P | Recruit | Morris | --- | Mustered out Feb 8, 1865 |
| TALBOTT, Enoch | Private | Leland | Nov 11, 1861 | Killed at Jackson, Miss., July 12, 1863 |
| THOMPSON, Frank | D&S Recruit | Ursa | Dec 6, 1864 | Sub. MO July 22, 1865 |
| THOMPSON, James A | Recruit | Pontiac | --- | Mustered out Feb 8, 1865 |
| TRENARY, James H | Veteran | Ottawa | Mar 7, 1864 | Mustered out July 22, 1865 |
| TRENARY, James H | Private | Otter Creek | Nov 11, 1861 | Re-enlisted as Veteran |
| TUFFORD, Mavin V | Private | Niagara, N.Y. | Dec 9, 1861 | Transferred from Co. G |
| TUTTLE, Pardon | Recruit | Peru | --- | Tr. to Inv. Corps. MO Mar 20, 1865 |
| UNDERHILL, James | Private | Grand Rapids | Nov 11, 1861 | Disch, Jun 16, 1862; disabil. |
| VAGA, Henry | D&S Recruit | Deer Creek | Oct 3, 1864 | Sub. MO July 22, 1865 |
| VANARSDALE, Courtland | Corporal | Felix | Nov 11, 1861 | Mustered out Nov 13, 1864 |
| VARVALLIN, Edward J | Private | --- | Nov 11, 1861 | --- |
| WAGONER, George | Recruit | Morris | --- | Died, Memphis, May 10, 1865 |
| WARDSWORTH, Isaac | D&S Recruit | Montgomery Co | Dec 3, 1864 | Mustered out July 22, 1865 |
| WATERS, John | Private | Morris | Feb 13, 1862 | Disch, Jun 13, 1863; disabil. |
| WATKINS, William P | Private | Felix | Nov 11, 1861 | Deserted Jun 2, 1862 |
| WATSON, William H | Veteran | Morris | Feb 1, 1864 | Mustered out July 22, 1865 |
| WATSON, William H | Private | Morris | Dec 27, 1861 | Re-enlisted as Veteran |
| WILSON, Ananias | Recruit | Morris | --- | Died in hospital, July 20, 1862 |
| YOCKEY, Charles I | Veteran | Troy Grove | Jan 6, 1864 | Mustered out July 22, 1865 |
| YOCKEY, Charles I | Private | Troy Grove | Nov 11, 1861 | Re-enlisted as Veteran |
| YOCKEY, John | Veteran | Troy Grove | Jan 6, 1864 | MO July 22, 1865 as Serg't. |
| YOCKEY, John | Private | Troy Grove | Nov 11, 1861 | Re-enlisted as Veteran |
| YOUNG, William R | Recruit | Eppard's Point | --- | Mustered out Mar 23, 1865 |
