Alexander James Dallas III

Son of US Navy Commander Alexander James Dallas II (1791-1844), he was appointed Midshipman, USN on 24 March 1846, served as aide to Commodore Perry during the Mexican War (1847-48), and was discharged on 12 June 1851. He enlisted as a Private in Company H, 3rd District of Columbia Infantry Battalion on 27 April 1861 and was discharged on 11 June 1861 to accept a US Commission. He was appointed Captain, 12th United States Infantry to date from 14 May 1861.

He was with the Battalion at Antietam on 17 September 1862.

He was honored by brevet to Major for his service at Petersburg, VA in July 1864.

He continued in Regular Army service, transferred to the 30th US Infantry on 21 September 1866. He was promoted to Major of the 23rd US Infantry on 22 February 1869, Lieutenant Colonel, 22nd US Infantry on 8 February 1880, then at Fort Clark, TX, and he retired on 27 June 1884.

His service from Heitman.1 His presence at Antietam from Captain Anderson's after-action Report. Personal details from family genealogists, the US Census of 1880, and his obituary in the New York Times of 21 July 1895. His gravesite is on Findagrave.

He married Frances Virginia “Fannie” Masi (1834-1915) in January 1855, and they adopted two children.

His mother was Henrietta Constantia Meade (1801-1831), sister of General George G Meade. His grandfather Alexander James Dallas I (1759-1817) was President James Madison's Secretary of the Treasury and was briefly acting Secretary of War and of State, in 1815. His uncle George Mifflin Dallas (1792-1864) was James K Polk's Vice President.

03/02/1830; Washington, DC

07/18/1895; Washington, DC; burial in Mount Olivet Cemetery, Washington, DC