Template:Infobox Congressman Martin Maginnis (October 27, 1841 – March 27, 1919) was a nineteenth century politician, publisher, editor and miner from Minnesota and the Montana Territory.
Born near Pultneyville, New York to Patrick and Winnifred Devine Maginnis, Maginnis moved to Goodhue Township near Red Wing, Minnesota with his parents in 1852. He pursued an academic course and attended Hamline University, but left early to take charge of a Democratic newspaper. At the outbreak of the Civil War, he enlisted as a private in the 1st Minnesota Volunteer Infantry Regiment in 1861. Maginnis was promoted to first lieutenant in 1862, to captain in 1863 and to major of the 11th Minnesota Volunteer Infantry Regiment in 1864. He was ordered to join the Army of the Cumberland where he served under the command of General George H. Thomas until being mustered out along with his regiment in 1865. Afterwards, he moved to Helena, Montana with his brothers in 1866 where he engaged in mining and later in publishing and editing the Helena Daily Gazette. Maginnis was elected a Democrat to the United States House of Representatives in 1872, serving from 1873 to 1885. Afterwards, was unsuccessful in being elected back to the House of Representatives in 1890, was Commissioner of Mineral Land of Montana from 1890 to 1893 and presented his credentials as a Senator-designate in 1900 to fill a vacancy, but was not seated. Maginnis moved to Los Angeles, California for health reasons in 1915 where he died of gangrene of the foot on March 27, 1919. He was interred in Resurrection Cemetery in Helena, Montana.
- Martin Maginnis at the Biographical Directory of the United States Congress Retrieved on 2008-02-14
- Martin Maginnis at Find a Grave Retrieved on 2008-02-14
- Martin Maginnis at the 1st Minnesota Volunteer Infantry Regiment
Template:Start box Template:U.S. Representative box |} Template:MontanaUSRepresentatives