Smith's [Jason B.] Artillery. See Illinois Troops, 1st Regiment, Battery K.

Smith's [J. L. Kirby] Infantry. See Ohio Troops, 43rd Regiment.

Smith's [Joseph C.] Cavalry. See Ohio Troops, 5th Regiment.

Smith's [Milo] Infantry. See Iowa Troops, 26th Regiment.

Smith's [T. Kilby] Infantry. See Ohio Troops, 54th Regiment.

Smyth's [William] Infantry. See Iowa Troops, 31st Regiment.

Snook's [John S.] Infantry. See Ohio Troops, 68th Regiment.

Spaulding's Guerrillas. Official designation unknown. See Spaulding.

Spaulding's [Z. S.] Infantry. See Ohio Troops, 27th Regiment.

Spear's [Edward, jr.] Artillery. See Ohio Troops, 15th Battery.

Spoor's [Nelson T.] Artillery. See Iowa Troops, 2nd Battery.

Sprague's [J. W.] Infantry. See Ohio Troops, 63rd Regiment.

Springfield Artillery. See Thomas F. Vaughn's Artillery.

Stacy's [James D.] Cavalry. See Illinois Troops, 6th Regiment.

Starke's [Peter B.] Cavalry. See Mississippi Troops, 28th Regiment.

Starnes' [J. W.] Cavalry. See Tennessee Troops, Confederate.

Starring's [Frederick A.] Infantry. See Illinois Troops, 72nd Regiment.

Stenbeck's [Andrew] Artillery. See Illinois Troops, 2nd Regiment, Battery H.

Sterling's [Levi] Cavalry. See Wisconsin Troops, 2nd Regiment.

Stewart's [F. M.] Cavalry. See Tennessee Troops, Confederate.

Stewart's [W.] Cavalry. See Illinois Troops.

Stirman's [Ras] Sharpshooters. See Arkansas Troops.

Stocks' [J. G.] Cavalry. See W. H. Jackson's Cavalry.

Stone's [George A.] Infantry. See Iowa Troops, 25th Regiment.

Street's [Solomon G.] Cavalry. See Mississippi Troops. State.

Strickland's [William T.] Infantry. See Indiana Troops, 52nd Regiment.

Stuart's [David] Infantry. See Illinois Troops, 55th Regiment.

Swarthout's [William] Infantry. See Illinois Troops, 50th Regiment.

Swayne's [Wager] Infantry. See Ohio Troops, 43rd Regiment.

Swearingen's [P. H.] Cavalry. See Texas Troops, 24th Regiment.

Sweet's [George H.] Cavalry. See Texas Troops, 15th Regiment.

Tanrath's [Benjamin] Artillery. See Missouri Troops, Union, 1st Regiment, Battery I.

Tarleton's [J. A.] Artillery. See M. S. Ward's Artillery.

Tennison's [Otto M.] Infantry. See Kansas Troops, 1st Regiment.

Thielemann's [Christian] Cavalry. See Illinois Troops.

Thomas' [Allen] Infantry. See Louisiana Troops, 29th Regiment.

Thompson's [A. P.] Infantry. See Kentucky Troops, Confederate, 3rd Regiment.

Thrush's [W. A.] Infantry. See Illinois Troops, 47th Regiment.

Thurber's [Charles H.] Artillery. See Missouri Troops, Union, 1st Regiment, Battery I.

Tiller's [W. T.] Artillery. See William Hart's Artillery.

Timmins' [W. C.] Infantry. See Texas Troops, 2nd Regiment.

Tobin's [Thomas F.] Artillery. See L. Hoxton's Artillery.

Tolendano's [E. A.] Artillery. See Watson Artillery.

Torrence's [William G.] Infantry. See Iowa Troops, 30th Regiment.

True's [James M.] Infantry. See Illinois Troops, 62nd Regiment.

Trumbull's [Matthew M.] Infantry. See Iowa Troops, 3rd Regiment.

Tupper's [Nathan W.] Infantry. See Illinois Troops, 116th Regiment.

Tweeddale's [William] Engineers. See Engineer Regiment of the West.

Tye's [John F.] Artillery. See Mississippi Troops, 1st Regiment, Battery I.

Vance's [Joseph W.] Infantry. See Ohio Troops, 96th Regiment.

Vandever's [William] Infantry. See Iowa Troops, 9th Regiment.

Vaughn's [Thomas F.] Artillery. See Illinois Troops.

Wade's [W. B.] Cavalry. See Confederate Troops, Regulars, 8th Regiment.