He was the son of Captain James Bagby and Mary Jones. He married twice: 1. Emily Steele. 2. Ann Elizabeth Connell.
He was a representative in Alabama legislature and speaker of the house, 1820-24; Governor of Alabama, 1837-41; US senator 1841-48. He was the US minister to Russia from 1848 to 14 May 1849, when he resigned. He was appointed to codify the laws of Alabama in 1852. AMW commented on his bad drinking habit.
The Twentieth Century Biographical Dictionary of Notable Americans, vol. 1; Who Was Who in America. Historical Volume, 1607-1896, Chicago, 1963, p. 34.