William Taylor Sullivan Barry (Congressional Biographical Dictionary)
Reference
BARRY, William Taylor Sullivan, a Representative from Mississippi; born in Columbus, Lowndes County, Miss., December 10, 1821; was graduated from Yale College in 1841; studied law; was admitted to the bar in 1844 and commenced practice in Columbus; also engaged in planting; member of the State house of representatives 1849-1851; elected as a Democrat to the Thirty-third Congress (March 4, 1853-March 3, 1855); again a member of the State house of representatives and served as speaker in 1855; president of the State secession convention in 1861; member of the Provisional Confederate Congress; during the Civil War entered the Confederate Army and raised the Thirty-fifth Regiment of Mississippi Infantry, at times acting as brigade commander; captured at Mobile April 12, 1865; resumed the practice of law in Columbus, Miss., where he died January 29, 1868; interment in Odd Fellows Cemetery.
“Barry, William Taylor Sullivan,” Biographical Directory of the United States Congress, 1774 to Present, http://bioguide.congress.gov/scripts/biodisplay.pl?index=B000193.