Marion DeVries attended San Joaquin Valley College and obtained his law degree from the University of Michigan. He was admitted to the Michigan bar in 1887 and to the California bar in the same year. DeVries became the Assistant District Attorney of San Joaquin County from 1893-1897. He then was elected to the 55th and 56th Congresses to represent the 2nd district of California. After resigning from Congress, DeVries became a member of the Board of the U.S. Customs Court in New York from 1900-1910. Later he became an associate judge to the U.S. Court of Customs Appeals in Washington, D.C. from 1910-1921, becoming the presiding judge from 1921-1922.
From the description of Papers of Marion DeVries, 1896-1925. (Huntington Library, Art Collections & Botanical Gardens). WorldCat record id: 122510340
