SOURCE: http://www.lahistory.org/site19.php

BOOTH, Andrew Bradford, businessman. Born, Scott County, Ky., May 4, 1844. Family removed to Baton Rouge, 1848. Education: public and private schools; graduated from The Academy (prep school), Baton Rouge, April 1861. Civil War service: private, Company K, Third Louisiana Infantry Regiment, August 1861 to January 1864; sergeant, Company H, 22nd Louisiana Consolidated Infantry Regiment, January 1864 to May 1865. Opened a country store in March 1866 and named the town Hope Villa in 1870; sold this business in 1881. Married (1) Emma L. Brown, 1866; four children. Married (2) Emma E. Burnett, 1886; four children. Member, East Baton Rouge Parish Police Jury. Removed to New Orleans in 1886. Operated a commercial agency business, 1886-1895; in real estate and insurance after 1895. Organized the Public Belt Railroad Association in New Orleans, 1888. Major in the state national guard, 1908-1912. Commissioner of Military Records, 1915-1922; completed compilation and publication of Records of Louisiana Confederate Soldiers and Louisiana Confederate Commands, 3 vols. (1920). Methodist; member, Louisiana Historical Society; Woodmen of the World; Mason; United Confederate Veterans. Died, 1923. A.W.B. Sources: Clement A. Evans, ed., Confederate Military History (1899), Vol. X; John S. Kendall, History of New Orleans (1922).

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He isn't listed in Wayne Cosby's "Louisiana Confederate Soldiers Burial Database" so I know if you find any info on his burial please post it here. Just looking over the internet I see statements made he died in New Orleans so that may be a good place to start looking. Since he was a mason perhaps they may be able to help you out.