If you have any additional information or corrections, please post a reply as it would be most appreciated.
Those men Killed in Action (KIA) or Died of Wounds (DOW), confirmed by service records follow (NARA roll M323), unless otherwise noted:
Iuka Casualties of the Third Texas Cavalry (Dismounted):
3 TX Cav Co A - Andrews, Blunt - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co A - Sherrod, J.H. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co B - Oliver, Ruben W. - 2 Cpl - KIA 19 Sept 1862 - Iuka
3 TX Cav Co B - Laird, Joseph S. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co C - Bowers, W.P. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co C - Caldwell, Carter - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co C - Crawley, W. P. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co C - Harris, William T. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co D - Cherrytree, N. R. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co D - Winton, J. F. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co E - McMacken, James - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co F - Barnett, William J. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co F - Conner, A. J. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co G - Odell, M. J. - 1 Lt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co H - Hannah, W. W. - 2 Lt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co H - Ellison, George W. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co I - Green, William G. - Capt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co I - Ingram, D. J. - 3 Lt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co I - Cole, Dekalb K. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co I - Rice, William N. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co I - Taliaferro, Andrew J. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co K - Bonner, William L. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co K - Hitt, John R. - Pvt - KIA 19 Sept 1862 - Iuka
3 TX Cav Co G - Beck, A. T. - Pvt - Presumed KIA - 19 Sept 1862 - Iuka
3 TX Cav Co A - Thompson, W. S. - MIA Iuka UNCONFIRMED
3 TX Cav Co A - Bedell, C. E. - MIA Iuka UNCONFIRMED
Iuka Casualties of the First Texas Legion (27th Texas Cavalry, Dismounted):
1st TX Legion (27 TX Cav Co C) - Coffee, Benjamin B. - 1 Lt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co D) - Roach, Mathew L. - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co F) - Hutchison, William - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co F) - Martin, Thomas A. - 3 Sgt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co F) - Waddell, William - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co H) - Gentry, Samuel - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co H) - Hamilton, L. A. - 2 Cpl - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co H) - Woods, L. B. - 5 Sgt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co I) - Ellis, William - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co I) - Irvin, James T. - 2 Sgt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co I) - Mayo, William J. - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co K) - Milwee, J.W. - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co K) - Rose, J. - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co K) - Warner, S. - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co K) - Wilkins, J. - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co L) - Hendricks, Anthony S. - Pvt - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co M) - Gwin, Malcomb C. - 1 Cpl - KIA 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co C) - Calvit, Isaac R. - 2 Sgt - DOW 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co E) - Laporte, F.H. - Pvt - DOW 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co K) - Wand, G.L. - Pvt - DOW 19 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co A) - Wynn, W.F.F. - 1 Lt - DOW 25 Sept 1862 - Iuka
1st TX Legion (27 TX Cav Co F) - Hill, Wilson - Pvt - Presumed DOW - Iuka