Fort Delaware State Park

Delaware City, Delaware

Access to Fort Delaware is by ferry.

Garrison Units

Artillery

COMMONWEALTH INDEPENDENT COMPANY HEAVY ARTILLERY
Organized at Philadelphia, PA, 24 Apr 1861. Duty at Fort Delaware entire term. Mustered out, 5 Aug 1861.

INDEPENDENT BATTERY "A", (PENNSYLVANIA) LIGHT ARTILLERY.
Organized at Philadelphia, PA, 19 Sep 1861. Duty at Fort Delaware entire term. Mustered out, 15 Jun 1865.

INDEPENDENT BATTERY "G", (PENNSYLVANIA) LIGHT ARTILLERY
Organized at Harrisburg, PA, 22 Aug 1862. Duty at Fort Delaware entire term. Mustered out, 15 Jun 1865.

3rd PENNSYLVANIA REGIMENT HEAVY ARTILLERY, Company "H"
Regiment organized at Philadelhia, PA, 17 Feb 1863. Company "H" previously assigned to Segebarth's Battalion Heavy Artillery. Company "H" Servd detached, rotating between Baltimore, MD, and Fort Delaware, entire term. Mustered out, 25 Jul 1865.

AHL'S INDEPENDENT BATTERY, (DELAWARE) HEAVY ARTILLERY
Organized at Fort Delaware, 27 Jul 1863. Duty at Fort Delaware entire term. Mustered out, 25 Jul 1865.

Infantry

4th DELAWARE REGIMENT INFANTRY
Organized at Wilmington, DE, Jun-Nov 1862. Duty at Fort Delaware and defenses of Balitmore, Sep-Dec 1862. Transferred to Army of the Potomac.

5th MARYLAND REGIMENT INFANTRY
Organized at Baltimore, Sep 1861. Duty at Fortress Monroe; served at Antietam. Regiment mostly captured at 2nd Winchester, 13-15 Jun 1863. Duty at Fort Delaware, Jan-Jun 1864. Mustered out, 2 Sep 1864.

157th OHIO REGIMENT INFANTRY
Organized at Camp Chase, OH, 15 May 1864. Duty at Fort Delaware and in the defenses of Baltimore, until Sep 1864. Mustered out, 2 Sep 1864.

6th MASSACHUSETTS REGIMENT INFANTRY (MILITIA, 100 Days)
Organized at Readville, MA, July 1864. Duty at Fort Delaware, 22 Aug-19 Oct 1864. Mustered out in Boston, 17 Oct 1864.

9th DELAWARE REGIMENT INFANTRY
Organized at Wilmington, for 100-days, 30 Aug 1864. Duty at Fort Delaware, until Jan 1865. Mustered out, 23 Jan 1865.

[Permanent station artillery units served as guards until July 1865].