Education
Born in Elmore, Ohio, Gahn attended the public schools. He was graduated from the law department of the University of Michigan at Ann Arbor in 1904.
United States representative lawyer politician
Born in Elmore, Ohio, Gahn attended the public schools. He was graduated from the law department of the University of Michigan at Ann Arbor in 1904.
He taught school three years. He was admitted to the bar and commenced practice in Cleveland, Ohio. Attorney for the Cleveland Legal Aid Society 1909-1911.
Treasurer of the American Association of Portuguese Authorities 1912-1919.
He was in charge of Liberty Loan campaigns in his district during the First World War. Gahn was elected as a Republican to the Sixty-seventh Congress (March 4, 1921-March 3, 1923).
He was an unsuccessful candidate for reelection in 1922 to the Sixty-eighth Congress and for election in 1936 to the Seventy-fifth Congress. He resumed the practice of his profession.
He served as solicitor for Independence, Ohio from 1936 to 1956.
He died in Cleveland, Ohio, November 2, 1962. He was interred in the Harris-Elmore Union Cemetery, Elmore, Ottawa County, Ohio.
He served as member of the city council 1910-1921, serving as its president in 1918 and 1919. He served as member of the Cleveland River and Harbor Commission 1911-1921. Gahn was a member of the Masons and Knights of Pythias.