| ABEL, Charles | Private | --- | Jan 1, 1862 | Transferred to Co. C |
| ADAMS, Hiram | Private | --- | Jan 1, 1862 | --- |
| ALLEN, David | Private | Ottawa | Jan 1, 1862 | Disch, May 1, 1862; disabil. |
| ALLEN, Henry | Private | Ottawa | Jan 1, 1862 | Deserted Aug 18, 1862 |
| ANDERSON, Ole O | Private | Ottawa | Jan 1, 1862 | Transferred to Co. I |
| ASHLEY, Henry D | Recruit | Tonica | --- | MO Apr 7, 1865 as Corp'l. |
| ATKINS, Charles | Recruit | Lemont | --- | Mustered out Mar 9, 1865 |
| AUBER, William | Recruit | Joliet | --- | Vet. MO July 22, 1865 as Sergeant |
| BARBOUR, Orange L | Private | Marseilles | Jan 1, 1862 | Disch, Apr 22, 1862; disabil. |
| BARNES, Samuel S | D&S Recruit | Buckhart | Dec 6, 1864 | Sub. Never joined Co. |
| BELL, Daniel | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| BENWAY, John H | Recruit | Marseilles | --- | Deserted Aug 18, 1862 |
| BERRY, Michael | Recruit | Ottawa | --- | Mustered out Jan 27, 1865 |
| BEUL, George | Recruit | --- | --- | Disch, Apr 7, 1863; disabil. |
| BLAND, Simpson | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| BLONDIN, Peter | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| BOKER, Antoine | Private | Granville | Jan 1, 1862 | Commit'd suicide, May 7, 1863 |
| BOSTON, James | Recruit | Somonauk | --- | Disch. for wounds received Nov 10, 1863 |
| BOYD, George | Private | Lemont | Jan 1, 1862 | --- |
| BRETT, Thomas | Recruit | Ottawa | --- | Vet. MO July 22, 1865 |
| BRYANT, Nathan | Private | Du Pape | Jan 1, 1862 | MO Mar 1, 1865; pris. war |
| BUCKLEY, James | Recruit | Ottawa | --- | Vet. MO July 22, 1865 |
| BUNN, Eli | D&S Recruit | --- | --- | Mustered out July 20, 1865 |
| BURK, James | D&S Recruit | Bonus | Sep 2, 1864 | Mustered out July 22, 1865 |
| BURK, Jesse S | D&S Recruit | Richwood | Nov 29, 1864 | Mustered out July 22, 1865 |
| CAMPFIELD, Elisha | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| CANADA, Walter | D&S Recruit | --- | --- | Never joined company |
| CARROLL, Francis | Private | Lemont | Jan 1, 1862 | Died at Vicksburg |
| CARROLL, Matthew | Veteran | Ottawa | Feb 1, 1864 | Mustered out July 22, 1865 |
| CARROLL, Matthew | Private | Ottawa | Jan 1, 1862 | Re-enlisted as Veteran |
| CLARK, Charles | Veteran | Lemont | Feb 1, 1864 | MO July 22, 1865 as Corp'l. |
| CLARK, Charles | Private | Lemont | Jan 1, 1862 | Re-enlisted as Veteran |
| CLARK, William D | Recruit | Du Page | --- | Mustered out Mar 15, 1865 |
| CLAUDE, Prosper | Veteran | Mendota | Feb 1, 1864 | Tr. to Inv. Corps, Aug 15, 1864 |
| CLAUDE, Prosper | Private | Somonauk | Jan 1, 1862 | Re-enlisted as Veteran |
| CLINKMALLIE, Peter | Recruit | Lemont | --- | Disch. for wounds received Nov 10, 1863 |
| COLFS or GULPH, Peter H | D&S Recruit | Buckhart | Dec 5, 1864 | Sub. Never joined Co. |
| COLE, William | Private | Marseilles | Jan 1, 1862 | Accident'ly killed Apr 5, 1862 |
| COLTON, Richard | Private | Lemont | Jan 1, 1862 | Died at Lagrange, Tenn., Dec 22, 1862 |
| CONAWAY, Walter | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| CONNELLY, Benjamin | Recruit | Ottawa | --- | Mustered out Mar 15, 1865 |
| CONNOLLY, Hugh | D&S Recruit | --- | --- | Mustered out July 24, 1865 |
| CONVERSE, Charles | D&S Recruit | Macoupin Co | Dec 6, 1864 | Mustered out July 22, 1865 |
| COOK, Abner F | Veteran | Wilmington | Feb 1, 1864 | MO Jun 2, 1863 as 1st Sgt. |
| COOK, A Frank | Private | Wilmington | Jan 1, 1862 | Re-enlisted as Veteran |
| COOK, Abner F | 2nd Lt. | Wilmington | Jun 3, 1864 | MO Aug 6, 1865 as 2d Lt. |
| COOK, Charles W | Veteran | Wilmington | Sep 24, 1864 | Prom. Principal Musician |
| COOK, Charles W | Private | Wilmington | Jan 1, 1862 | Re-enlisted as Veteran |
| COX, Patrick | Recruit | Ottawa | --- | Mustered out July 22, 1865 |
| COX, Spencer J | Recruit | Ottawa | Apr 27, 1864 | Mustered out July 22, 1865 |
| CUNNINGHAM, B S | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| CUNNINGHAM, Henry | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| DANIELS, George L | Veteran | Northville | Mar 7, 1864 | Mustered out July 22, 1865 |
| DANIELS, George L | Private | Northville | Jan 1, 1862 | Re-enlisted as Veteran |
| DIXON, John W | Private | --- | Jan 1, 1862 | Transferred to Co. C |
| DODD, William | Private | Mendota | Jan 1, 1862 | Disch. at Memphis; disabil. |
| DODGE, Henry F | Veteran | Tonica | Feb 1, 1864 | Mustered out July 22, 1865 |
| DODGE, Henry F | Private | Tonica | Jan 1, 1862 | Re-enlisted as Veteran |
| DONOHUE, Timothy | Private | Ottawa | Jan 1, 1862 | Discharged Jan 1, 1865 |
| DROSLER, Thomas | Recruit | Frankfort | --- | Died, St Louis, May 4, 1865 |
| DRUMMOND, Alex | Private | Chicago | Jan 1, 1862 | Deserted Mar 25, 1862 |
| EARL, Seth C | Captain | Ottawa | Jan 1, 1862 | Promoted |
| EARL, William G | 1st Lt. | Ottawa | Not must'd. | Resigned Nov 17, 1862; 2d Lt. |
| EARL, William G | 2nd Lt. | Ottawa | Jan 1, 1862 | Promoted [May 24, 1862] |
| FABIAN, Valentine | Recruit | Chicago | --- | Mustered out Mar 15, 1865 |
| FELL, Christopher | D&S Recruit | Yatesville | Oct 13, 1864 | Sub. MO July 22, 1865 |
| FINCH, John R | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| FINK, John P | Veteran | Frankfort | Feb 1, 1864 | Died, Andersonville pris., Sep 30, 1864. Gr. 10,097 |
| FINK, John P | Private | Frankfort | Jan 1, 1862 | Re-enlisted as Veteran |
| FINLEY, William | Recruit | Frankfort | --- | Mustered out Jun 27, 1865 |
| FITZGERALD, Thomas | Recruit | La Salle | --- | Vet. MO July 22, 1865 |
| FOSTER, Ira | D&S Recruit | Lawrence Co | Nov 26, 1864 | Mustered out July 22, 1865 |
| GATES, Frederick | D&S Recruit | Lincoln | Dec 7, 1864 | Sub. Died at Raleigh, N.C., Apr 2, 1865 |
| GAY, Augustus | Private | Lemont | Jan 1, 1862 | Deserted Mar 26, 1862 |
| GLANCY, Owen L | Private | --- | Jan 1, 1862 | Transferred to Co. C |
| GRAVES, Herbert | Private | --- | Jan 1, 1862 | Transferred to Co. C |
| GRIFFITH, Elijah | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| GUARD, Henry | Recruit | Ottawa | --- | Mustered out Mar 15, 1865 |
| HAGON, W E | D&S Recruit | Jefferson Co | Oct 22, 1864 | Never joined company |
| HAINES, Henry | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| HAMER, John | Private | --- | Jan 1, 1862 | Transferred to Co. C |
| HELLINGHAUSEN, Garhart | Recruit | Lemont | --- | Deserted Feb 28, 1862 |
| HENDRICKS, Willis | D&S Recruit | Chesterfield | Nov 26, 1864 | Sub. MO July 22, 1865 |
| HICKS, Isaac | D&S Recruit | Orange | Nov 30, 1864 | Sub. MO July 22, 1865 |
| HILL, James R | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| HOGAN, Edward | Private | Marseilles | Jan 1, 1862 | Disch, Aug 18, 1862; disabil. |
| HOLDEN, David L | Veteran | Frankfort | Feb 1, 1864 | Prom. Com. Sergeant |
| HOLDEN, David L | Private | Frankfort | Jan 1, 1862 | Re-enlisted as Veteran |
| HOTCHKISS, Jarvis L | Private | Marseilles | Jan 1, 1862 | MO July 22, 1865; absent sick |
| HOUSTON, Daniel L | Captain | Ophir | --- | Resigned Jun 2, 1863 |
| HOUSTON, Daniel L | 1st Lt. | Ophir | Jan 1, 1862 | Promoted [May 23, 1862] |
| HUBBARD, William | Private | Lockport | Jan 1, 1862 | Mustered out Jan 1, 1865 |
| HUTTON, Edward R | Corporal | --- | Jan 1, 1862 | Transferred to Co. C |
| HYDE, Cornelius G W | 1st Lt. | Marseilles | July 13, 1863 | Discharged Mar 24, 1865 |
| HYDE, Cornelius G W | 2nd Lt. | Marseilles | Jan 19, 1863 | Promoted [Jun 2, 1863] |
| HYDE, Cornelius G W | Private | Marseilles | Jan 1, 1862 | Promoted 2d Lieutenant [Nov 18, 1862] |
| INLOW, Henry | Private | Lemont | Jan 1, 1862 | Discharged Sep 26, 1862 |
| JAMERO, Lazro | D&S Recruit | --- | --- | Sub. MO July 22, 1865 |
| JARVIS, William L | Recruit | Du Page | --- | Disch, Apr 28, 1862; disabil. |
| KELLER, Jacob | Recruit | Newtown | Jan 6, 1865 | Mustered out July 22, 1865 |
| KENNEDY, James | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| KENZAN or CRUSEN, I | D&S Recruit | Wabash Co | Nov 30, 1864 | Sub. MO July 22, 1865 |
| KIEMAN, Bernard | Recruit | Ottawa | --- | Mustered out Jan 1, 1865 |
| KNICKERBOCKER, James | Recruit | Marseilles | --- | Died at Marseilles, Ill., Aug 7, 1863 |
| LAING, Joseph | Recruit | Tonica | --- | Disch, Nov 12, 1862; disabil. |
| LALLY, John | Recruit | Ottawa | --- | Mustered out Mar 2, 1865 |
| LAZAUWAY, Jonathan H | Private | Marseilles | Jan 1, 1862 | Tr. Veteran Reserve Corps |
| LEWIS, Andrew | D&S Recruit | --- | --- | Sub. Absent without leave at MO of Regiment |
| LEWIS, Edward | Recruit | Tonica | --- | Disch, Aug 16, 1862; disabil. |
| McCLURE, James W | Private | Ottawa | Jan 1, 1862 | Trans. to 23d Ill. Infantry |
| McFARLAN, Oren D | Veteran | Marseilles | Feb 1, 1864 | Mustered out July 22, 1865 |
| McFARLAN, Oren B | Private | Marseilles | Jan 1, 1862 | Re-enlisted as Veteran |
| McKEON, Michael | Recruit | Ottawa | --- | Vet. MO July 22, 1865 |
| McLAUGHLIN, Dennis | Veteran | Lockport | Feb 1, 1864 | MO Jun 28, 1865; pris. war |
| McLAUGHLIN, Dennis | Private | Lockport | Jan 1, 1862 | Re-enlisted as Veteran |
| McNULTY, John | Recruit | Ottawa | --- | Vet. MO July 22, 1865 |
| METTLER, Alem B | Veteran | Frankfort | Feb 1, 1864 | Mustered out July 22, 1865 |
| METTLER, Alem B | Private | Frankfort | Jan 1, 1862 | Re-enlisted as Veteran |
| METTLER, William | Private | Frankfort | Jan 1, 1862 | Disch, Sep 14, 1862; disabil. |
| MILLWOOD, Alexander | Private | Lemont | Jan 1, 1862 | Died July 19, 1863; wounds |
| MITCHELL, Zachariah | Veteran | Northville | Feb 1, 1864 | Mustered out July 22, 1865 |
| MITCHELL, Zachariah | Private | Somonauk | Jan 1, 1862 | Re-enlisted as Veteran |
| MIX, John | Recruit | --- | --- | Tr. by order Col. Cushman |
| MOATS, Jacob | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| MOORE, George L | Veteran | Marseilles | Mar 7, 1864 | MO July 22, 1865 as Corp'l. |
| MOORE, George L | Recruit | Marseilles | --- | Re-enlisted as Veteran |
| MOSHER, George J | Veteran | Tonica | Feb 1, 1864 | Mustered out Nov 26, 1865 |
| MOSHER, George I | Private | Tonica | Jan 1, 1862 | Re-enlisted as Veteran |
| MULLEN, Francis | Private | Lemont | Jan 1, 1862 | Deserted Mar 20, 1862 |
| MURPHY, John | D&S Recruit | Vermillion | Dec 3, 1864 | Sub. Never joined Co. |
| NAY, David F | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| NEAR, Christopher | Private | Frankfort | Jan 1, 1862 | Disch, Dec 10, 1862; disabil. |
| NEWBERRY, Edson | Veteran | Lemont | Feb 1, 1864 | Mustered out July 22, 1865 |
| NEWBERRY, Edson | Private | Lemont | Jan 2, 1862 | Re-enlisted as Veteran |
| NEWLIN, Ahigh | Recruit | Sullivan | --- | Trans. from 41st Ill. MO July 22, 1865 |
| NICHOLAS, John | Recruit | Lemont | --- | Deserted Feb 28, 1862 |
| NOGLE, John H | Private | Marseilles | Jan 1, 1862 | Tr. to Inv. Corps, Aug 24, 1863 |
| O'CONNOR, John | Recruit | Ottawa | --- | Mustered out Mar 6, 1865 |
| PACKENHAM, Frederick | Recruit | Tonica | --- | Mustered out Apr 5, 1865 |
| PALMER, Henry | Veteran | Lemont | Feb 1, 1864 | MO July 22, 1865 as Corp'l. |
| PALMER, Henry | Private | Lemont | Jan 1, 1862 | Re-enlisted as Veteran |
| PARSONS, Eugenius | Private | Frankfort | Jan 1, 1862 | MO Dec 24, 1864; pris. war |
| PATTER, Samuel T | Private | Wilmington | Jan 1, 1862 | Died, St Louis, May 21, 1862 |
| PAXSON, Luther | Private | Du Page | Jan 2, 1862 | Mustered out Apr 22, 1865 |
| PELLON, George | D&S Recruit | --- | --- | Absent without leave since Jun 17, 1865 |
| PENN, Elijah | D&S Recruit | --- | --- | Never joined Co. See Co. E |
| PEPPLE, John H | D&S Recruit | Mendon | Nov 16, 1864 | Mustered out July 22, 1865 |
| PERSONS, Uriah | Private | Marseilles | Jan 1, 1862 | Tr. to Inv. Corps, Aug 4, 1863 |
| POTTER, John | Captain | Somonauk | July 13, 1863 | Mustered out Nov 9, 1864 |
| POTTER, John | 1st Lt. | Somonauk | Jan 26, 1863 | Promoted [Jun 2, 1863] |
| POTTER, John | 2nd Lt. | Somonauk | --- | Promoted [Nov 18, 1862] |
| POTTER, John | Private | Somonauk | Jan 1, 1862 | Pro. Serg't, then 2d Lieut. [May 23, 1862] |
| PUTNAM, James | Captain | Lemont | Apr 24, 1865 | Mustered out July 22, 1865 |
| PUTNAM, James | Veteran | Lemont | Feb 1, 1864 | Prom. 1st Serg., then Captain [Apr 7, 1865] |
| PUTNAM, James | Private | Lemont | Jan 1, 1862 | Re-enlisted as Veteran |
| REDFARM, John | Private | Lemont | Jan 1, 1862 | Deserted Sep 20, 1862 |
| REEDY, Albert | Recruit | Ottawa | --- | Tr. by order Col. Cushman |
| RILEY, Hugh | Recruit | Ottawa | --- | Mustered out Dec 28, 1864 |
| ROATH, Horace | Private | Marseilles | Jan 1, 1862 | Disch, Dec 12, 1862; disabil. |
| ROBERTSON, Anderson | Private | Frankfort | Jan 1, 1862 | Mustered out Dec 28, 1864 |
| ROGERS, Henry | Recruit | Ottawa | --- | Mustered out Mar 15, 1865 |
| RUSH, Michael | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| RYAN, Daniel | Recruit | Ottawa | --- | Vet. MO July 22, 1865 |
| SAFFER, John F | D&S Recruit | Woodland | Nov 14, 1864 | Mustered out July 22, 1865 |
| SANNERS, Joseph | Recruit | Lasalle | --- | Vet. MO July 22, 1865 as Sergeant |
| SARLES, Alexander | Private | Tonica | Jan 1, 1862 | Died at Bolivar, Tenn., Nov 3, 1862; wounds |
| SCHOOLEY, Levi A | 1st Serg. | Ottawa | Jan 1, 1862 | Disch, Jun 4, 1862; disabil. |
| SHEATS, Frederick | D&S Recruit | Point | Oct 13, 1864 | Mustered out July 22, 1865 |
| SIFERT, Peter | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| SIMMONS, James | Veteran | Farm Ridge | Mar 7, 1864 | Mustered out July 22, 1865 |
| SIMMONS, James | Private | Farm Ridge | Feb 13, 1862 | Re-enlisted as Veteran |
| SMITH, Charles | Private | Frankfort | Jan 1, 1862 | Disch, Dec 12, 1862; disabil. |
| SMITH, George R | Veteran | Chicago | Mar 7, 1864 | MO July 22, 1865 as Serg't. |
| SMITH, George R | Recruit | Chicago | --- | --- |
| SPAFFORD, Daniel S | Private | Ottawa | Jan 9, 1862 | Disch, July 3, 1862; disabil. |
| SPARKS, Samuel J | Private | Marseilles | Jan 1, 1862 | Disch, Dec 15, 1862; disabil. |
| SPICER, George B | Private | Marseilles | Jan 21, 1862 | Disch, Apr 18, 1862; disabil. |
| STEWART, George | Private | Chicago | Jan 1, 1862 | Deserted Mar 22, 1862 |
| STEWART, James C | D&S Recruit | --- | --- | Sub. MO July 22, 1865 |
| STEWART, Nathan | Private | Du Page | Jan 1, 1862 | Deserted Aug 18, 1862 |
| STEWART, Warner | Private | Du Page | Jan 1, 1862 | Disch, Mar 6, 1862; disabil. |
| STICKMAN, Frederick | Veteran | Frankfort | Feb 1, 1864 | MO July 22, 1865 as Corp'l. |
| STICKMAN, Frederick | Private | Frankfort | Jan 1, 1862 | Re-enlisted as Veteran |
| SULLIVAN, John | Private | Somonauk | Jan 1, 1862 | Killed, Vicksburg, May 26, 1863 |
| TALTY, Cornelius | Private | Lockport | Jan 1, 1862 | Deserted Mar 20, 1862 |
| TAYLOR, George | Recruit | Marseilles | --- | Deserted Aug 13, 1862 |
| TEXAS, Charles | D&S Recruit | --- | --- | Mustered out July 24, 1865 |
| TURNER, Abijah | D&S Recruit | --- | --- | Mustered out July 22, 1865 |
| UNRUH, Abraham | Veteran | Frankfort | Feb 1, 1864 | MO July 22, 1865 as 1st Sgt. |
| UNRUH, Abram C | Private | Frankfort | Jan 1, 1862 | Re-enlisted as Veteran |
| VORCE, Charles H | Veteran | Ottawa | Feb 1, 1864 | Prom. Sergeant Major |
| VORCE, Charles H | Private | Ottawa | Jan 1, 1862 | Re-enlisted as Veteran |
| WALKER, John | Recruit | Ottawa | --- | Vet. Died at Quincy, Ill., Feb 1, 1865 |
| WARNER, Abijah | Private | Northville | Jan 1, 1862 | Disch, Apr 30, 1863; disabil. |
| WATSON, James | D&S Recruit | Walnut | Apr 3, 1865 | Sub. MO July 22, 1865 |
| WILLIAMS, Horatio | Veteran | Somonauk | Feb 1, 1864 | Mustered out July 22, 1865 |
| WILLIAMS, Horatio | Private | Somonauk | Jan 1, 1862 | Re-enlisted as Veteran |
