Third Regiment Iowa Volunteer Cavalry
Regiment was organized at Keokuk 30 August to 14 September 1861.
Regiment lost during service 5 officers and 79 enlisted men killed and mortally wounded and 4 officers and 230 enlisted men by disease.
| Soldier | Age | Rank-Company | Muster Date | Comments |
| Asberry, W. H. H. | 24 | 5th Sgt ~ Co. E | 04 Sept 1861 | disability discharge, St. Louis MO, 1862 |
| Austin, Wm. | 19 | Pvt ~ Co. K | 14 Sept 1861 | |
| Blake, W. H. | 22 | Pvt ~ Co. K | 03 Sept 1861 | promoted to Corporal |
| Borman, Thos. | 24 | Pvt ~ Co. K | 03 Sept 1861 | |
| Commons, Thos. | 25 | 5th Sgt ~ Co. K | 01 Sept 1861 | |
| Cuch, John | 18 | Pvt ~ Co. K | 03 Sept 1861 | |
| Ewing, Arthur K. | 30 | Wagoner ~ Co. K | 03 Sept 1861 | |
| Griswald, Alvin H. | 26 | 2nd Lt ~ Co. K | 14 Sept 1861 | killed in ambush 27 Jun 1862, Village Creek AR |
| Holt, G. W. | 30 | Pvt ~ Co. K | 03 Sept 1861 | |
| Lewis, W. S. | 42 | B. V. S. ~ Co. K | 27 Nov 1861 | |
| Miller, Jas. M. | 21 | Pvt ~ Co. K | 14 Sept 1861 | |
| Stamm, Geo. W. | 23 | 1st Sgt ~ Co. K | 16 Jul 1862 | promoted to 1st LT, 1864 |
| Tyrrell, Robert | 18 | Co. K | ||
| Williamson, N. N. | 27 | Pvt ~ Co. K | 14 Sept 1861 | |
| Woodruff, A. D. | 34 | 6th Corp. ~ Co. K | 14 Sept 1861 | reduced to ranks |