Margaret Cross Norton (July 7, 1891 – May 21, 1984) served as the first State Archivist of Illinois from 1922 to 1957 and co-founded the Society of American Archivists in 1936, where she served as the first vice president from 1936–1937 and president from 1943-1945. She also served as editor of the American Archivist from 1946-1949.