Born on a farm near Bellbrook, Ohio, Marshall attended the public schools of Greene County, Ohio, where he was a teacher in the public schools from 1903 to 1907.
Marshall was elected as a Republican to the Seventy-third and Seventy-fourth Congresses (March 4, 1933 – January 3, 1937).
He returned to Xenia to continue the practice of law until his death there, on November 22, 1950.
He married Nellie Catherine Turnbull at Cedarville on June 4, 1908.
[1] This article incorporates public domain material from the Biographical Directory of the United States Congress