LeRoy Percy was an American attorney, planter, and Democratic politician who served as a United States Senator from the state of Mississippi from 1910 to 1913.

Mary Grace Quackenbos Humiston (1869–1948) was the first female Special Assistant United States Attorney. She was a graduate of the New York University School of Law and was a leader in exposing peonage in the American South. She was also known for a short time as "Mrs. Sherlock Holmes", starting with her work solving the cold case of Ruth Cruger who disappeared in New York in 1917.