Born in Ouachita City,[1] an unincorporated community in Union Parish, Louisiana, Dawkins received a Bachelor of Laws from Tulane University Law School in 1906 and entered private practice in Monroe, Louisiana until 1912.
In 1918, he became an associate justice of the Supreme Court of Louisiana, a position that he held until 1924.
[2] Dawkins was nominated by President Calvin Coolidge on April 25, 1924, to a seat on the United States District Court for the Western District of Louisiana vacated by Judge George W. Jack.
He was confirmed by the United States Senate on May 5, 1924, and received his commission the same day.
He assumed senior status on May 17, 1953, and was succeeded by his son, Judge Benjamin C. Dawkins Jr. His service terminated on August 22, 1966, due to his death.