Born to Thomas and Mary Miller of St. Mary's Georgia, A. J. Miller was sent to the Military Academy at West Point (NY) at the age of 16.
After resigning his appointment to West Point
after his first year, A. J. Miller studied law under Archibald Clark, a St. Mary's attorney. Miller journeyed to Augusta, Georgia to practice law with his uncle, William Jackson. Since he was under 21 the state legislature had to pass a special law allowing Andrew Jackson Miller to "plead and practice law." He was accepted into the bar in May, 1825 in Richmond County, Georgia
. He was 19.
In 1836 Miller was elected to the Georgia House from Richmond County. Among the projects on which he took the forefront was the Western and Atlantic Railroad. Miller had been involved with the formation of the Georgia Railroad and realized the importance of the tie to Chattanooga, Tennessee.
In 1838 Miller was elected to the Georgia Senate, leading that body on three separate occasions as President of the Senate. Miller is commonly listed as having been the President of the Medical College of Georgia but he never served in that capacity. In 1849 Miller opposed pro-secession governor George Washington Bonaparte Towns sending a Georgia delegation to the Nashville Convention of 1850
Miller is probably best remembered today for his avocation of the right for married women to own property. On many occasions he presented a bill to give them this right. It never passed in the all-male Senate.
He died at his Richmond County home in 1856.