Alexander S. Bohannan was mentioned in the 5 February 1815 will of his brother, Joseph L. Bohannan, proved on 20 November 1815. [Essex County, Virginia, Will Book 18, pages 224–225.]

Alexander S. Bohannan was mentioned in the 27 November 1820 will of Thomas Covington, proved on 20 November 1815. [Essex County, Virginia, Will Book 19, pages 348–349.]