William English Mickle (1846-1920), was born the son of Joseph Thomas Mickle (-1898) and Nancy C. Gandy Mickle, on October 31, 1846 in Columbia, Richland County, South Carolina. He is the grandson of Major Joseph and Martha Belton Mickle of Kershaw County, South Carolina. His father was a very successful merchant and banker who moved to Mobile, Alabama in 1852. His father organized the "Merchants Guard" during the Civil War.
In 1869, he left the field of education entering the book trade at New Orleans, Louisiana, and at Mobile, Alabama. He established one of the most noted Bookstores in the South located on Dauphin Street, Mobile, Alabama.
On June 10, 1889, he was a founding and charter member of the Raphael Semmes Camp, No. 11, United Confederate Veterans, of Mobile, Alabama, serving as the adjutant lifelong. On January 19, 1903, he was made Major General by General J. B. Gordon, Commander-in-Chief. He also served as "Pension Examiner" for the State of Alabama for several years.
He is the author of, Well Known Confederate Veterans and Their War Records, Arranged Alphabetically (1907, and 1915), a significant work vital to the study of Confederate soldiers.