Private A. B. Thornton was born ca. 1834 in Georgia.
1860 he, along with wife Alema were living near Chattahoochee, Gadsden County, Florida. The census lists his occupation as a laborer with a personal estate of some $100.
He enlisted on May 5th, 1862 at Rico’s Bluff, Liberty County, Florida in Captain Davidson’s Company. He was left sick at Gadsden County when the company left the state, but rejoined it after June 30th in Tennessee.
He was assigned for detached service as a wagoner on July 20th, 1862 and served in that assignment until October 11th, 1863 when he was admitted to the Floyd House and Ocmulgee Hospitals at Macon, Georgia with an unspecified fever. He returned to duty briefly, but was again admitted to the Floyd House and Ocmulgee Hospitals on December 13th, 1863 as a result of a gunshot wound to his left ankle. He released from the hospital on February 1st, 1864 with a furlough of 45 days.
There is no further record of his service; the date and place of his death are unknown, as is the place of interment.