3rd Regiment, Connecticut Infantry

Connecticut in the Civil War

Brief History
The 3rd Regiment, Connecticut Infantry was organized at New Haven. They mustered in May 14, 1861. On the 12th day of August, 1864 this regiment was mustered out of service at Hartford.

For more information about the 3rd Connecticut Regiment Infantry and its history, see:


 * Regimental History - History of the Third (Three Months) Connecticut Volunteers - Connecticut Military Department

Companies in this Regiment
Men often enlisted in a company recruited in the counties where they lived though not always. This regiment was composed of men from all parts of Connecticut.

Infantry Company A was largely formed by men from Fairfield County.

Infantry Company B was largely formed by men from New Haven County.

Infantry Company C was largely formed by men from Fairfield County.

Infantry Company D was largely formed by men from Fairfield County.

Rifle Company A was largely formed by men from Hartford County.

Rifle Company B was largely formed by men from New Haven County.

Rifle Company C was largely formed by men from New Haven County.

Rifle Company D was largely formed by men from New London County.

Rifle Company E was largely formed by men from Hartford County.

Rifle Company F was largely formed by men from Fairfield County.


 * For more information about Rifle Company F and its history, see:

Stamford Roster - The Stamford Historical Society, Inc. - Civil War Exhibit

Company Rosters

 * Catalogue of the 1st, 2d, 3d, 4th, and 5th regiments, Connecticut volunteers, 1861 by the Adjutant General's Office at the Salt Lake City Family History Library.
 * Catalogue of Connecticut volunteer organizations, with additional enlistments and casualties to July 1, 1864. Compiled From Records in the Adjutant General's Office and Published by Order of the Legislature, by Horace J. Morse - Adjutant General - Online Book


 * 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 (1869) by Connecticut. Adjutant-General's Office; Ingersoll, Colin M. (Colin Macrae), 1819-1904 - Online Book

Source Material

 * The Civil War in the East - Timeline of the 3rd Connecticut Infantry Regiment


 * 3rd Connecticut Infantry - Connecticut State Library, Brady Collection of Civil War Photographs