Born in Silver Creek, Mississippi, Waller received his Bachelor of Philosophy degree from Mississippi College in 1908 and his Bachelor of Laws from Millsaps College in 1910.
Waller was a private secretary to United States Representative Pat Harrison in 1911.
He was in private practice in Bay St. Louis, Mississippi from 1914 to 1927, and was a United States Army lieutenant colonel in World War I. Waller served as a member of the Mississippi House of Representatives in 1924.
[1] Waller relocated to Florida and was in private practice in Tallahassee from 1930 to 1940.
[2] Waller was nominated by President Roosevelt on February 18, 1943, to the United States Court of Appeals for the Fifth Circuit, to a new seat authorized by 56 Stat.