Jackson was born in Athens, Georgia. He graduated with honors from Yale University, where he was a member of Skull and Bones, in 1839. Before the war, he served as a lawyer, then as colonel of the 1st Georgia volunteers in the Mexican–American War, state judge, as United StatesChargé d'affaires to the Austrian Empire from 1853 to 1854, and as Minister Resident to the Austrian Empire from 1854 to 1858.[1] Jackson was also a poet (his book Tallulah and Other Poems appeared in 1850) and a frequent public speaker. For instance, he delivered an oration on "Courage" to the University of Georgia literary societies in 1848 and a dedication address for the Laurel Grove Cemetery in Savannah in 1852. Jackson was a prominent lawyer and prosecutor in Savannah. In 1859, he unsuccessfully prosecuted the owners and crew of the slave ship, The Wanderer, the second-to-last ship known to have brought people from Africa into the United States for sale as slaves.[2]
After the war, he resumed his law practice and political career, being named as minister to Mexico from 1885 to 1886. He also was a railroad executive, banker, and president of the Georgia Historical Society (1875 – 1898). Jackson died in Savannah, Georgia, and was buried in Bonaventure Cemetery, owned by City of Savannah, located in Thunderbolt, Ga.