Arkansas Militia and the War with Mexico Arkansas Militia Act of 1843 Arkansas Militia Act of 1843

| Division | Brigade | Regiment | Colonel | County |
|---|---|---|---|---|
| 1st Division | 2nd Brigade Brigadier General Richard C. Byrd | 13th Regiment | Colonel T.D. Metrich | Pulaski |
| 1st Division | 2nd Brigade Brigadier General Richard C. Byrd | 21st Regiment | Colonel M.H. Blue | White |
| 1st Division | 2nd Brigade Brigadier General Richard C. Byrd | 4th Regiment | Colonel B.H. Ball | Conway |
| 1st Division | 2nd Brigade Brigadier General Richard C. Byrd | 15th Regiment | Colonel S. Moffit | Pope |
| 1st Division | 2nd Brigade Brigadier General Richard C. Byrd | 36th Regiment | Colonel William Turner | Perry |
| 1st Division | 3rd Brigade | 10th Regiment | Col. | Johnson |
| 1st Division | 3rd Brigade | 17th Regiment | Col. | Scott |
| 1st Division | 3rd Brigade | 5th Regiment | Col. | Crawford |
| 1st Division | 3rd Brigade | 7th Regiment | Col. | Franklin |
| 1st Division | 4th Brigade | 20th Regiment | Col. | Washington |