18th Regiment, Connecticut Infantry

United States U.S. Military  Connecticut  Connecticut Military Records  Connecticut in the Civil War    18th Regiment, Connecticut Infantry

Brief History
The 18th Regiment, Connecticut Infantry was organized at Norwich, New London County, Connecticut and was mustered in on the 22nd day of August, 1862. This regiment was mustered out at Harper's Ferry, Jefferson County, West Virginia June 27, 1865.

For more information about the 18th Regiment Infantry and its history, see:


 * Regimental History - Walker, William C. and United States Army. Connecticut Infantry Regiment, 18th, History of the Eighteenth Regiment, Conn. Volunteers in the War for the Union, (Norwich, Connecticut : [s.n.], 1885).   Available at the Family History Library,  or FHL US/CAN 1597895 Item 2. Also

Companies in this Regiment
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. This regiment was composed of men from all parts of Connecticut.

Company A was largely formed by men from New London County.

Company B

Company C

Company D

Company E

Company F was largely formed by men from New London County.

Company G

Company H was largely formed by men from Windham County.

Company I

Company K was largely formed by men from Windham County.

Company Rosters

 * Connecticut. Adjutant General's Office, Catalogue of Connecticut volunteer organizations, with additional enlistments and casualties to July 1, 1864, (Hartford, Connecticut : Case, Lockwood, 1864), page 597. Available Online at Internet Archive, (accessed 8 Mar 2011).  Also available at the Family History Library,  or FHL US/CAN Film 1550802.


 * Adjutant General's Office, Catalogue of Connecticut volunteer organizations : (infantry, cavalry, and artillery,) in the service of the United States, 1861-1865, with additional enlistments, casualties, &amp;c., &amp;c., and brief summaries, showing the operations and service of the several regiments and batteries, (Bethesda, Maryland : University Publications of America, c1991), page 690. Includes index.  Online at Internet Archive, (accessed 8 Mar 2011).  Also available at the Family History Library,  or

Source Material

 * Civil War Soldiers and Sailors System, (accessed 2 Apr 2011), can be searched by soldier's name or by regiment; includes regimental rosters and additional history of the regiment. This site uses Joseph H. Crute's book,Units of the Confederate States Army, as their main source for the regiment history. Family History Library book 973 M2crua,, WorldCat, (accessed 2 Apr 2011).


 * Footnote.com, (accessed 2 Apr 2011). (A subscription website, but is available for use at the Family History Library and some Family History Centers). It has digital Civil War soldier service records and brief regiment histories (located at the bottom of some of the muster rolls).


 * The Civil War in the East, (accessed 9 Mar 2011). Timeline of the 18th Connecticut Infantry Regiment