Paxton enlisted in April 1861 as a First Lieutenant (1LT) in H Company 27th Virginia Infantry. 1LT Paxton fought at First Manassas and was commended for gallantry in bearing the colors of a Georgia unit after their color bearer was shot down. He was detailed an Aide-de-Camp on Lieutenant General (LTG) Stonewall Jackson's staff in August 1861. He was then promoted to Major on 14 Oct 1861. In August 1862, he was appointed Major and Quartermaster on Jackson's staff and served as Assistant Adjutant General. On 1 Nov 1862 he was promoted to Brigadier General (BG). Paxton died on 3 May 1863 from a wound received while leading a charge of the Stonewall Brigade at Chancellorsville. Paxton's body was brought back to Lexington and buried at the Stonewall Jackson Cemetery in Lexington, Virginia. He has a number of living descendants.
Elisha's grandfather, William Paxton served as a Major of militia during the Revolution.