William Ballard Preston (Congressional Biographical Dictionary)
Reference
PRESTON, William Ballard (nephew of Francis Preston), a Representative from Virginia; born in Smithfield, Va., November 25, 1805; graduated from Hampden-Sydney College, Hampden-Sydney, Va., 1824; studied law and graduated from the University of Virginia, Charlottesville; admitted to the bar and commenced practice in 1826; member of the Virginia state house of delegates, 1830-1832, 1844-1845; member of the Virginia state senate, 1840-1844; elected as a Whig to the Thirtieth Congress (March 4, 1847-March 3, 1849); appointed Secretary of the Navy in the Cabinet of President Zachary Taylor and served from March 8, 1849, to July 22, 1850; delegate to the Virginia state constitutional convention, 1861; served in the Confederate States Congress; died in Smithfield, Va., on November 16, 1862; interment in Preston Cemetery on the former Smithfield Plantation, Blacksburg, Va.
“Preston, William Ballard,” Biographical Directory of the United States Congress, 1774 to Present, http://bioguide.congress.gov/scripts/biodisplay.pl?index=P000518.