|May||The 19th Mississippi infantry Regiment organized at Oxford, Mississippi.
Company A – “President Davis Guards” – Captain J.M. Macon
|May 25||The regiment was ordered to rendezvous at Richmond, Virginia and proceeded by rail via Chattanooga and Knoxville.|
|June 10-11||Christopher Mott a Mexican War veteran, was appointed colonel, and Lucius Quintus Cincinnatus Lamar II, Mott’s law partner who raised the regiment and funded it out of his own pocket, was appointed lieutenant colonel. Abner Smead was the regiment’s major.|
|June 12||The regiment was stationed at the old State Agricultural Fairgrounds north of Richmond.|
|June 15||Major Smead was transferred to the 12rh Georgia Infantry Regiment.|
|July 22||Arrived at Manassas Junction and was assigned to Brigadier General E. Kirby Smith’s Fifth Brigade of the Army of the Shenandoah. The regiment did not take part in the Battle of Manassas (Bull Run).|
|August 4||Stationed at Broad Run bear Bristoe Station.|
|September 21||Stationed at Little Rocky Run east of Centerville.|
|October 16||Moved to the suspension bridge on Cub Run west of Centerville|
|October 16||Assigned to the 3rd Brigade, 3rd Division, Army of the Potomac under the command of Brigadier General Cadmus Wilcox.|
|December 11||Major John B. Mullins was assigned to the 19th Mississippi.|
Battle of Williamsburg
The regiment brought 501 men to the field and lost 15 men and 85 wounded. Colonel Christopher Mott and Captain Jacob M. Macon of Company A were killed. Lieutenant Colonel Lamar was promoted to colonel and took command of the regiment. Major Mullins was promoted to lieutenant colonel.
|May 15||Colonel Lamar had an attack of vertigo and was unable to remain in field service. Lieutennt Colonel Mullins took command of the regiment.|
|May 31-June 1||
Battle of Seven Pines
|June 25-July 1||
Seven Days Battles
Battle of Gaines’ Mill (Frayser’s Farm)
The regiment lost 58 men killed, 264 wounded, and 3 missing. Lieutenant Colonel Mullins was wounded and Captain George D. Norris of Company B was mortally wounded.
|June||The regiment was transferred to Featherston’s Brigade in Longstreet’s Division.|
|July 13||Featherston’s Brigade Longstreet’s Division was split into two, with the 19th Mississippi and Featherston’s Brigade assigned to Wilcox’s Divison.|
Captain Harris was wounded.
The regiment, along with the rest of Featherston’s Brigade, was transferred to Anderson’s Division of Longstreet’s Command.
The regiment was commanded by Captain Nathaniel W. Harris, but he may have been still absent from his Second Manassas wound during the battle. It lost 6 men killed and 52 wounded.
Anderson’s Division comprising the Brigades of Cumming, Wright, Pryor, Mahone, Featherstone and Armistead crossed the Potomac at Blackford’s Ford about daybreak and between 8 and 10 A. M. arrived upon this part of the field. Armistead’s Brigade was sent to the support of McLaws in the Dunkard Church Woods and the other five Brigades were disposed in the Apple Orchard and on open ground either side of it, between this and Piper’s Lane. The Division advanced in support of a part of D.H. Hill’s Division, then heavily engaged and after a stubborn contest in which portions of the Division reached this point, it was repulsed with heavy loss and fell back to Piper’s Lane and the Hagerstown Pike.
|November 4||Captain Harris of Company C was promoted to major, to date from May 5 1862.|
|November 10||Captain Lemuel R. Mullins of Company E died.|
|November 24||Lieutenant Colonel Mullens was promoted to colonel and Major Harris was promoted to lieutenant colonel.|
|April 2||Colonel Mullens resigned. Lieutenant Colonel Harris was promoted to colonel and Major Ward Vaughn to lieutenant colonel.|
The regiment lost 6 men killed and 40 wounded
|May 5||Captain Thomas J. Hardin of Company I promoted to major|
|June||Assigned to Posey’s Brigade of Anderson’s Division of the newly created Third Corps.|
The regiment brought 372 men to the field. It lost 5 men killed and 22 wounded.
|July 17||Lieutenant Colonel Vaugn resigned and Major Hardin was promoted to lieutenant colonel.|
|October 8||Major Thomas Reading resigned.|
|October 14||Colonel Harris took command of the brigade when General Posey was mortally wounded|
|January 20||Colonel Harris was promoted to brigadier general. Lieutenant Colonel Hardin was promoted to colonel and Major Richard W, Phelps was promoted to lieutenant colonel.|
Captain Charles Burrage of Company A was mprtally wounded.
Colonel Thomas Hardin and Adjutant Robert Peel were killed. Lieutenant Colonel Phelps was promoted to colonel, and Major James H, Duncan was promoted to lieutenant colonel.
Lieutenant Colonel James Duncan was wounded and captured at Fort Gregg.
The 19th Mississippi Infantry Regiment surrendered 8 officers and 129 enlisted men under the command of Colonel Richard W. Phipps.