9th Regiment, Michigan Infantry
The 9th Regiment, Michigan infantry was organized at Detroit Michigan and mustered in October 15, 1861. It was mustered out: September 15, 1865. Discharged at: Detroit, Michigan, September 26, 1865. 
For a history of this regiment see Michigan in the Civil War Website which gives a brief history, places served, battles fought, commanders and company rosters.
- The Wikipedia article, 9th Michigan Volunteer Infantry Regiment, (accessed 13 July 2012).
- The Civil War Archive secion, 9th Regiment Infantry,(accessed 13 July 2012).
Companies in this Regiment with the Counties of Origin
Men often enlisted in a company recruited in the counties where they lived though not always. After many battles, companies might be combined because so many men were killed or wounded. However if you are unsure which company your ancestor was in, try the company recruited in his county first.
See Rosters, as there were men from many different Counties in these Companies.
- Beginning United States Civil War Research gives steps for finding information about a Civil War soldier. It covers the major records that should be used. Additional records are described in ‘Michigan in the Civil War’ and ‘United States Civil War, 1861 to 1865’ (see below).
- National Park Service, The Civil War Soldiers and Sailors System, is searchable by soldier's name and state. It contains basic facts about soldiers on both sides of the Civil War, a list of regiments, descriptions of significant battles, sources of the information, and suggestions for where to find additional information.
- Michigan in the Civil War describes many Confederate and Union sources, specifically for Michigan, and how to find them. These include compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.
- United States Civil War, 1861 to 1865 describes and explains United States and Confederate States records, rather than state records, and how to find them. These include veterans’ censuses, compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.
- Bennett, Charles W., Henry C. Rankin, and Frank A. Lester. "Historical Sketches of the Ninth Michigan Infantry (General Thomas' Headquarters Guards) With an Account of the Battle of Murfreesboro, Tennessee, Sunday, Jul 13, 1862; Four Years Campaigning in the Army of the Cumberland. Coldwater" (Michigan: Daily courier print, 1913). Digital Copy. FHL Fiche 6084651. Other Libraries
- Lester, Frank A. "Society of the Ninth Michigan Infantry Veteran Volunteers, 1861-1865" (Michigan: Society of the Ninth Michigan Infantry, 1911).FHL Fiche 6084652 . Other Libraries
- Michigan. Adjutant Generals Office and George H. Turner. "Record of Service of Michigan Volunteers in the Civil War, 1861-1865 [Ninth Infantry]". (Lansing, Michigan: Michigan Adjutant-General's Dept, 1905.)FHL Fiche 6084650. Other Libraries. Digital Copy
- Parkhurst, John G. (John Gibson). Recollection of Stone's River : a paper prepared and read before the Michigan Commandery of the Military Order of the Loyal Legion of the U.S. (Bethesda, Maryland : University Publications of America, c1993), FHL Fiche 6084653.
- National Park Service, The Civil War Soldiers and Sailors System (accessed 4 November 2010).