Sumter Infantry. See Louisiana Troops, 30th Regiment.

Swanwick's (Francis) Infantry. See Illinois Troops, 22nd Regiment.

Swarthout's (William) Infantry. See Illinois Troops, 50th Regiment.

Swayne's (Wager) Infantry. See Ohio Troops, 43rd Regiment.

Sweeny's (Thomas W.) Infantry. See Illinois Troops, 52nd Regiment.

Swett's (Charles) Artillery. See Warren Light Artillery.

Taylor (W. H. H.) Cavalry. See Ohio Troops, 5th Regiment.

Tennison's (Otto M.) Infantry. See Kansas Troops, 1st Regiment.

Terrell's (V. L.) Dragoons. See Mississippi Troops.

Thielemann's (Christian) Cavalry. See Illinois Troops.

Thielemann's (Milo) Cavalry. See Christian Thielemann's Cavalry.

Thomas' (Allen) Infantry. See Louisiana Troops, 29th Regiment.

Thomas' (Dewitt C.) Infantry. See Indiana Troops, 93rd Regiment.

Thomasson's (S. B.) Infantry. See Arkansas Troops.

Thompson's Cavalry. See Tennessee Troops, Union, 7th Regiment.

Thompson's (Noah S.) Artillery. See Indiana Troops, 9th Battery.

Thrall's (Homer) Infantry. See Ohio Troops, 22nd Regiment.

Thrall's (J. C.) Heavy Artillery. See Arkansas Troops.

Tillson's (John) Infantry. See Illinois Troops, 10th Regiment.

Toler's (Silas C.) Infantry. See Illinois Troops, 60th Regiment.

Tourtellotte's (John E.) Infantry. See Minnesota Troops, 4th Regiment.

Tripp's (Stephen S.) Cavalry. See Illinois Troops, 11th Regiment.

True's (James M.) Infantry. See Illinois Troops, 62nd Regiment.

Tupper's (N. W.) Infantry. See Illinois Troops, 116th Regiment.

Tunbull's (C. J.) Infantry. See Arkansas Troops.

Turner's (Thomas J.) Infantry. See Illinois Troops, 15th Regiment.

Tyler's (R. C.) Infantry. See Tennessee Troops, Confederate, 15th Regiment.

Union Brigade. Improvised. See George W. Kittel.

Van Arman's (John) Infantry. See Illinois Troops, 127th Regiment.

Van Dorn's (Earl) Body Guard. See J. Bradley's Cavalry.

Vaughan's (A. J., jr.) Infantry. See Tennessee Troops, Confederate, 13th Regiment.

Vaughn's (Thomas F.) Artillery. See Illinois Troops.

Venable's (C. D.) Infantry. See Tennessee Troops, Confederate, 5th Regiment.

Wade's (W. B.) Cavalry. See Confederate Troops, Regulars, 8th Regiment.

Wade's (William) Artillery. See Missouri Troops, Confederate.

Walcutt's (Charles C.) Infantry. See Ohio Troops, 46th Regiment.

Walker's Consolidated Regiment. See C. H. Walker.

Wallace's (M. R. M.) Cavalry. See Illinois Troops, 4th Regiment.

Walling's (Daniel P.) Artillery. See Iowa Troops, 2nd Battery.

Wangelin's (Hugo) Infantry. See Missouri Troops, Union, 12th Regiment.

Ward's (Lyman M.) Infantry. See Wisconsin Troops, 14th Regiment.

Ward's (M. S.) Artillery. See Mississippi Troops, 14th Battalion.

Warner's (Colonel John) Infantry. See Illinois Troops, 108th Regiment.

Warner's (Lieutenant Colonel John) Infantry. See Illinois Troops, 41st Regiment.

Warren Light Artillery. See Mississippi Troops.

Washington Artillery. See Louisiana Troops.

Waterhouse's (Allen C.) Artillery. See Illinois Troops, 1st Regiment, Battery E.

Waters' (D. D.) Artillery. See Alabama Troops.

Waul's (T. N.) Legion. See Texas Troops.

Weaver's (James B.) Infantry. See Iowa Troops, 2nd Regiment.

Webb's (Junius Y.) Cavalry. See Louisiana Troops.

Weber's (Andrew J.) Infantry. See Missouri Troops, Union, 11th Regiment.

Wells' Cavalry. Official designation unknown. See Lieutenant Wells.

Western Sharpshooters, Infantry. See Missouri Troops, Union, 14th Regiment.

Wever's (Clark R.) Infantry. See Iowa Troops, 17th Regiment.