15th Missouri Infantry

Organized at St. Louis, Mo., August and September, 1861. Moved to Jefferson City, Mo., September, 1861. Attached to Fremont's Army of the West to January, 1862. 5th Brigade, Army of Southwest Missouri, to March, 1862. 1st Brigade, 2nd Division, Army of Southwest Missouri, to May, 1862. 1st Brigade, 5th Division, Army of Mississippi, to September, 1862. 35th Brigade, 11th Division, Army of Ohio, to October, 1862. 35th Brigade, 11th Division, 3rd Army Corps, Army of Ohio, to November, 1862. 2nd Brigade, 3rd Division, Right Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 2nd Brigade, 3rd Division, 20th Army Corps, Army of the Cumberland, to October, 1863, 1st Brigade, 2nd Division, 4th Army Corps, to April, 1864. 3rd Brigade, 2nd Division, 4th Army Corps, to June, 1865. 2nd Brigade, 2nd Division, 4th Army Corps, to August, 1865. Dept. of Texas to December, 1865.

SERVICE.—Fremont's Campaign against Springfield, Mo., October 4-November 8, 1861. Moved to Rolla, Mo., and duty there till February, 1862. Curtis' Campaign in Missouri and Arkansas against Price February and March. Advance on Springfield February 2-11. Pursuit of Price into Arkansas February 14-29. Battles of Pea Ridge, Ark., March 6-8. March to Batesville April 5-May 3. Moved to Cape Girardeau, Mo., May 11-22; thence to Pittsburg Landing, Tenn., May 23-26. Siege of Corinth May 27-30. Pursuit to Booneville May 31-June 6. At Rienzi till August 26. Moved to Cincinnati, Ohio, August 26-September 14; thence to Louisville, Ky., September 17-19. Pursuit of Bragg into Kentucky October 1-16. Battle of Perryville, Ky., October 8. March to Nashville, Tenn., October 16-November 7. Duty at Nashville till December 26. Advance on Murfreesboro December 26-30. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Duty near Murfreesboro till June. Expedition toward Columbia March 4-14. Middle Tennessee (or Tullahoma) Campaign June 23-July 7. Fairfield June 27-29. Estill Springs July 2. Reconnoissance to Anderson July 11-14. Occupation of Middle Tennessee till August 16. Passage of Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 22, Battle of Chickamauga September 19-20. Siege of Chattanooga September 24-November 23. Chattanooga-Ringgold Campaign November 23-27. Orchard Knob November 23-24. Mission Ridge November 25. Pursuit to Graysville November 26-27. March to relief of Knoxville, Tenn., November 28-December 8. Operations in East Tennessee December, 1863, to February, 1864. Dandridge January 16-17, 1864. Moved to Chattanooga, thence to Cleveland, Tenn., and duty there till May, 1864. Atlanta (Ga.) Campaign May 1-September 8. Demonstration on Rocky Faced Ridge and Dalton May 8-13. Buzzard's Roost Gap May 8-9. Battle of Resaca May 14-15. Adairsville May 17. Near Kingston May 18-19. Near Cassville May 19. Advance on Dallas May 22-25, Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Pine Hill June 11-14. Lost Mountain June 15-17. Assault on Kenesaw June 27. Ruff's Station July 4. Chattahoochie River July 5-17. Buckhead, Nancy's Creek, July 18. Peach Tree Creek July 19-20. Siege of Atlanta July 22-August 25. Flank movement on Jonesborg August 25-30. Battle of Jonesboro August 31-September 1. Lovejoy Station September 2-6. Operations against Hood and Forest in North Georgia and North Alabama September 29-November 3. Nashville Campaign November and December. Columbia, Duck River, November 24-27. Spring Hill November 29. Battle of Franklin November 30. Battle of Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-28. Columbia December 19. Pulaski December 25. March from Pulaski to Decatur, Ala., and duty there till April, 1865. Moved to Blue Springs April 1-5, thence to Nashville, Tenn., April 19, and duty there till June. Moved to New Orleans June 15-23, and to Port Lavaca, Texas, July 18-24. Duty there till October. Moved to Victoria October 27 and duty there till December. Mustered out December 25, 1865.

Regiment lost during service 8 Officers, and 107 Enlisted men killed and mortally wounded and 1 Officer and 106 Enlisted men by disease. Total 222.

Frederick H. Dyer, A Compendium of the War of the Rebellion, Part 3, p. 1329