Start My Family Tree Welcome to Geni, home of the world's largest family tree.
Join Geni to explore your genealogy and family history in the World's Largest Family Tree.

Delaware in the U.S. Civil War (USA) 1861-1865

« Back to Projects Dashboard

Project Tags

Top Surnames

view all


  • Source:
    Col. (USA), Harry G Cavenaugh (1843 - 1919)
    Harry Gibbons Cavenaugh of Pennsylvania * Appointed from Delaware, Private, Corporal and Sergeant, 1st Delaware Infantry, 2 September 1861 to 25 July 1864 * First Lieutenant, 1st Delaware Veteran Infan...
  • Col.(USA), Oliver Hopkinson (1812 - 1905)
    Civil War Union Army Officer. He served during the Civil War as Lieutentant Colonel of the 1st Delaware Volunteer Infantry, being commissioned on October 15, 1861. At the September 17, 1862 Battle of A...
  • Mitchell Lank (1844 - 1862)
    served as a Private, Company C, 3rd Delaware Infantry during the Civil War.He died during the war, cause currently unknown. It could have been of wounds and/or disease. Updated from FamilySearch Family...

This project is used to relate all units from Delaware who served in the Union Army.Federal Regiment


3rd Delaware Infantry

Organized: Camden, DE; mustered in 5/15/1862 Disbanded/Mustered out on 6/3/1865 Commanding Officers:

 Maj. Arthur Maginnis
 Capt. William J. McKaig	Maps Showing this Unit:
  Detail Map #3: Mansfield's XII Corps Attacks Into the Cornfield
  Detail Map #5: Sedgwick is Flanked in the West Woods

Battlefield Tablets for this Unit:

  Tablet #120: Army of the Potomac - 17 Sep, 5 AM to 17 Sep, 12 PM
  Tablet #114: Goodrich's Brigade, Greene's Division - 17 Sep, 6 AM to 17 Sep, 10 AM
  Tablet #27: Twelfth Army Corps - 17 Sep, 6 AM to 17 Sep, 12 PM
  Tablet #113: Goodrich's Brigade, Greene's Division - 17 Sep, 6 AM to 17 Sep, 9 AM
  Tablet #20: Goodrich's Brigade, Greene's Division - 17 Sep, 6 AM to 17 Sep, 9 AM

This Regiment's Chain of Command:

 Army - Army of the Potomac
 Corps - Twelfth (XII) Army Corps
 Division - 2nd Division, XII Corps
 Brigade - 3rd Brigade, 2nd Division, XII Corps

History of the Unit:

SERVICE.--Defense of Harper's Ferry, W. Va., May 28-30, 1862. Operations in the Shenandoah Valley until August. Battle of Cedar Mountain August 9. Pope's Campaign in Northern Virginia August 16-September 2. Sulphur Springs August 23-24. Groveton August 29. Bull Run August 30. Sulphur Springs August 30. Chantilly September 1. Maryland Campaign September 6-22. Battles of South Mountain September 14. Antietam, Md., September 16-17. Duty at Frederick, Md.; Relay House, Md., and Elysville, Md., guarding R. R., and garrison duty in Middle Dept. until May, 1864. Ordered to Join Army of the Potomac in the field May, 1864. Rapidan Campaign May 29-June 15. Totopotomoy May 29-31. Cold Harbor June 1-3. Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Mine Explosion, Petersburg, July 30, 1864 (Reserve). Weldon R. R. August 18-21. Poplar Springs Church September 29-October 2. Boydton Plank Road, Hatcher's Run, October 27-28. Warren's Raid on Weldon R. R. December 7-12. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Appomattox Campaign March 28-April 9. Lewis Farm, near Gravelly Run, March 29. Boydton and White Oak Roads March 30-31. Five Forks April 1. Fall of Petersburg April 2. Pursuit of Lee April 3-9. Appomattox Court House April 9. Surrender of Lee and his army. March to Washington, D.C., May 1-12. Grand review May 23. Mustered out June 3, 1865.

In the Antietam Campaign:

"[At Antietam] There were present but five line officers, and, by order of Major Arthur Maginnis, commanding, the regiment was divided into four companies of 30 men each, one company being afterward detached as skirmishers. Our regiment, the left of the brigade, occupied a woods about 250 yards from the rebel line of battle, Baker's California [71st PA Inf.] regiment on our left and partially in front. We lay in this position for about four hours, under a continuous shower of shell and musketry, firing as occasion offered by the advance or retreat of the rebels ...

References, Sources, and other Notes: Source: Dyer, Frederick H., A Compendium of the War of the Rebellion, Des Moines, Iowa, 1908

We have 8 individuals in the AotW database for this unit:

Co. Rank Name Casualty? Details* D Capt Day, Levin Bevins We have some details for this person F Pvt Hartus, Richard Died 12/20 We have some details for this person F Capt McKaig, William J We have some details for this person G Pvt Lank, W. Died 12/26 We have some details for this person H Pvt Lofland, Joshua Died 01/12 We have some details for this person H Pvt Shilling, John We have some details for this person F&S Maj Maginnis, Arthur WIA 09/17 Unk Corp Gannon, William Died 10/14 ________________________________________________________________________