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Mahlon Dickerson Manson
20th Lieutenant Governor of Indiana
In office January 12, 1885 – August 3, 1886
Governor	Isaac P. Gray
Preceded by	Thomas Hanna
Succeeded by	Robert S. Robertson
17thAuditor of Indiana
In office January 25, 1879 – January 25, 1881
Governor	James D. Williams Isaac P. Gray Albert G. Porter
Preceded by	Ebenezer Henderson
Succeeded by	Edward H. Wolfe
Member of theU.S. House of Representatives fromIndiana's7th district
In office March 4, 1871 – March 3, 1873
Preceded by	Godlove S. Orth
Succeeded by	Thomas J. Cason
Personal details
Born	(1820-02-20)February 20, 1820 Piqua, Ohio, US
Died	February 4, 1895(1895-02-04) (aged 74) Frankfort, Indiana, US
Party	Democratic
Profession	Druggist
Military service
Allegiance	United States Union
Branch/service	US Army Union Army
Rank	Brigadier General
Battles/wars	Mexican–American War American Civil War Battle of Mill Springs Battle of Richmond Battle of Resaca

Mahlon Dickerson Manson (February 20, 1820 – February 4, 1895) was a druggist,Indiana politician, and aUnion general in theAmerican Civil War.

Manson was born inPiqua, Ohio, to David Manson Jr., and Sarah Cornwall. He was a descendant ofDavid Manson, an aide toRevolutionary War GeneralGeorge Washington. His family moved toCrawfordsville, Indiana. He was a school teacher inMontgomery County, Indiana. He studied medicine inCincinnati, Ohio, and gave medical lectures inNew Orleans. During theMexican–American War he served with the5th Indiana Volunteers as a captain. He was a druggist inCrawfordsville, Indiana, and a member of the Indiana Legislature.

At the beginning of the Civil War, he was appointed a captain in the10th Indiana Infantry and was promoted to colonel in less than a month. He commanded a brigade in theArmy of the Ohio at theBattle of Mill Springs in 1862 and was promoted tobrigadier general on March 24, 1862, based on his actions there. General Manson was wounded in the thigh and captured byConfederate forces at theBattle of Richmond, Kentucky. He was exchanged two months later and foughtMorgan on his raid into Ohio. In the span of two months, Manson advanced frombrigade, todivision and then to command theXXIII Corps. He led the corps during theKnoxville Campaign seeing action atCampbell's Station andKnoxville. General Manson returned to brigade command, in theArmy of the Ohio, during theAtlanta campaign and was seriously wounded in theBattle of Resaca, Georgia.

After the war, he served in theUnited States House of Representatives as aDemocrat from 1871 to 1873, was state auditor, and the20th Lieutenant Governor of Indiana from 1885 to 1886.

Manson died in Frankfort, Indiana, and is buried in Oak Hill Cemetery, Crawfordsville.

• List of American Civil War generals (Union)

• Eicher, John H., andEicher, David J.,Civil War High Commands, Stanford University Press, 2001,ISBN 0-8047-3641-3.
• Lambert, D. Warren,When the Ripe Pears Fell, The Battle of Richmond, Kentucky, Madison County Historical Society, 1996,ISBN 0-9615162-3-2.
• Perry, Oran, Adjutant-General,Indiana in the Mexican War, Indianapolis, 1908.
• Warner, Ezra J.,Generals in Blue: Lives of the Union Commanders, Louisiana State University Press, 1964,ISBN 0-8071-0822-7.

• Media related toMahlon Dickerson Manson at Wikimedia Commons
• Congressional biography
• Civil War in Indiana
• Photographs at theWayback Machine (archived February 8, 2008)
• Mahlon Dickerson Manson collection of papers at the Indiana State Libraryhttps://archives.isl.lib.in.us/repositories/2/resources/2493
• Mahlon Dickerson Manson Papers Berea KY Libraryhttps://bereacollege.on.worldcat.org/oclc/940836993
• General Mahlon D. Manson family papers, 1848-1910s Indiana Historical Societyhttps://indianahistorylibrary.on.worldcat.org/oclc/505241754
• Civil War Longcoat at Indiana State Museumhttps://collection.indianamuseum.org/mwebcgi/mweb.exe?request=advanced;_tkeyword=manson
• Mahlon Manson items at Battle of Richmond KY referenced herehttps://www.ben-hur.com/people-lew-knew-mahlon-d-manson-crawfordsville-general/
• A good bit of info can be found here. Battle of Richmond KYhttps://www.battleofrichmond.com/
• Mural with his likeness in Campbellsville KYhttps://www.hmdb.org/m.asp?m=208482
• He was a commissioner for the Soldiers & Sailors Monument at the center of IndianapolisSoldiers' and Sailors' Monument (Indianapolis)
• He was actually born in 1818, not 1820 as most sources - including his tombstone state. . Besides the article quoting Mahlon I referenced here, I also have a photograph of the family Bible showing 1818 as his birthdate. This article is from the Indiana Weekly Argus News Jan 5, 1894 p3, column 4 “The Loiterer”

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• 1820 births
• 1895 deaths
• People of Indiana in the American Civil War
• Lieutenant governors of Indiana
• People of Ohio in the American Civil War
• People from Piqua, Ohio
• American military personnel of the Mexican–American War
• Union army generals
• Indiana state auditors
• Indiana Republicans
• American people of the Mexican–American War
• Democratic Party United States representatives from Indiana
• People from Crawfordsville, Indiana
• United States Army officers
• 19th-century United States representatives

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