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Union Army of the West (5,600 men)

US Flag 35 Stars July 1861 to July 1865

Union Brigadier General Nathaniel LyonCommander: Brigadier General Nathaniel Lyon

Led by newly promoted Brigadier General Nathaniel Lyon, the Federal forces were a combination of regular United States Army and volunteers from Missouri, Kansas and Iowa.

1st Brigade (884) Major Samuel D. Sturgis

  • 1st U.S. Infantry, Captain Joseph B. Plummer (4 companies, 300 men)
  • 2d Missouri Infantry Battalion, Major Peter J. Osterhaus (150)
  • Company I, 2d Kansas Mounted Infantry, and Company D, 1st U.S. Cavalry (350)
  • Company F, 2d U.S. Artillery, Captain James Totten (6 guns, 84 men)

2nd Brigade (1,200) Colonel Franz Sigel

  • 3d Missouri Infantry, Lt. Colonel Anselm Albert, and 5th Missouri Infantry, Colonel Charles E. Salomon (990)
  • Company I, 1st U.S. Cavalry, Captain Eugene A. Carr (65)
  • Company C, 2d U.S. Dragoons, 2d Lt, Charles E. Farrand (60)
  • Backof's Battery, Lieutenants Edward Schuetzenbach and Frederick Schaeffer (6 guns, 85 men)

3rd Brigade (1,116) Lt. Colonel George L. Andrews

  • 1st Missouri Infantry, Lt. Colonel George L. Andrews (775)
  • 2d U.S. Infantry, Captain Frederick Steele (4 companies, 275 men)
  • Du Bois' Battery, 2d Lt. John V. Du Bois (4 guns, 66 men)

4th Brigade (2,400) Colonel George W. Deitzler

  • 1st Kansas Infantry, Colonel George W. Deitzler (800)
  • 2d Kansas Infantry, Lt. Colonel Charles W. Blair (600)
  • 1st Iowa Infantry, Colonel John F. Bates (800)
  • Home Guards, Captain Clark Wright (200)


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