Alexander G. McLeod, aged 28, was enlisted on April 2nd, 1862 in Company H (Union Rebels), 6th Regiment Florida Infantry by J. J. Finley at Mount Vernon Arsenal, Florida, for a period of 3 years or the war.
3rd Lieutenant McLeod is elected to 2nd Lieutenant on May 17th, 1862.
2nd Lieutenant McLeod is elected to 1st Lieutenant on August 9th, 1862 when 1st Lieutenant James P. J. McClelland died of disease at Knoxville, Tennessee on August 7th, 1862. He will be replaced by 2nd Lieutenant P. D. McSween.
He was absent sick in mid-1864 and retired to the Invalid Corps September 17th, 1864.