Pennsylvania Civil War Union Units 12th through 47th

United States   U.S. Military    Pennsylvania    Pennsylvania Military    Pennsylvania in the Civil War     Pennsylvania Civil War Union Units 12th through 47th

The information in this list of Pennsylvania Military Units comes from the Civil War Soldiers and Sailors web site (CWSS). That web site can also be searched by the name of a soldier.

Units 12th through 15th

 * 12th Regiment, Pennsylvania Cavalry (113th Volunteers) Organized at Philadelphia December, 1861, to April, 1862. Mustered out July 20, 1865.


 * 12th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Pittsburg April 22, 1861. Mustered out August 5, 1861.


 * 12th Regiment, Pennsylvania Reserve Infantry (41st Volunteers) Organized at Harrisburg August, 1861. Mustered out June 11, 1864.


 * 13th Regiment, Pennsylvania Cavalry (117th Volunteers) Organized at Philadelphia and Harrisburg December, 1861, to April, 1862. Mustered out July 14, 1865.


 * 13th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Camp Curtin, Harrisburg. Mustered out August 6, 1861.


 * 13th Regiment, Pennsylvania Reserve Infantry (42nd Volunteers/1st Pennsylvania Rifles) Organized at Harrisburg June 21, 1861. Mustered out June 11, 1864.


 * 14th Regiment, Pennsylvania Cavalry (159th Volunteers) Organized at Pittsburg, Philadelphia and Erie October and November, 1862. Mustered out August 24, 1865.


 * 14th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Harrisburg April 30, 1861. Mustered out August 7, 1861.


 * 15th Regiment, Pennsylvania Cavalry (160th Volunteers) Organized at Carlisle, Pa., July to October, 1862. Mustered out at Nashville, Tenn., June 21, 1865.


 * 15th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Camp Curtin, Harrisburg, April 26. Mustered out August 8, 1861.

Units 16th through 19th

 * 16th Regiment, Pennsylvania Cavalry (161st Volunteers) Organized at Harrisburg September to November, 1862. Mustered out August 11, 1865.


 * 16th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Camp Curtin, Harrisburg, May 3, 1861. Mustered out July 30, 1861.


 * 17th Regiment, Pennsylvania Cavalry (162nd Volunteers) Organized at Harrisburg September to November, 1862. No Muster date. Surrendered to Lee's army.


 * 17th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Philadelphia. Mustered in April 25, 1861.


 * 18th Regiment, Pennsylvania Cavalry (163rd Volunteers) Organized at Pittsburg and Harrisburg October to December, 1862. No muster out date. Consolidated with 22nd Pennsylvania Cavalry June 24, 1865, to form 3rd Provisional Cavalry.


 * 18th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Philadelphia. Mustered out August 6, 1861.


 * 19th Regiment, Pennsylvania Cavalry (180th Volunteers) Organized at Philadelphia June to October, 1863. Mustered out May 14, 1866.


 * 19th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Philadelphia and mustered April 27, 1861. Mustered out August 29, 1861.

Units 20th through 22nd

 * 20th Regiment, Pennsylvania Cavalry Organized at Harrisburg and Philadelphia February, 1864. Consolidated with 2nd Pennsylvania Cavalry June 17, 1865, to form 1st Provisional Cavalry.


 * 20th Regiment, Pennsylvania Cavalry (6 months, 1863-1864) Organized at Harrisburg June to August, 1863, for six months. Mustered out January 7, 1864.


 * 20th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Philadelphia and mustered in April 30, 1861. Mustered out August 6, 1861.


 * 20th Regiment, Pennsylvania Infantry Militia (Emergency, 1863) Organized at Harrisburg June 17, 1863, to repel Lee's invasion of Pennsylvania. Mustered out August 10, 1863.

For more information on the history of 20th Pennsylvania Infantry see the following:

The wikipedia article, 20th Pennsylvania Infantry (accessed 6 October 2011)


 * 21st Regiment, Pennsylvania Cavalry (182nd Volunteers) Organized at Harrisburg February, 1864. Mustered out July 8, 1865.


 * 21st Regiment, Pennsylvania Cavalry (6 months, 1863-1864) Organized at Harrisburg and Chambersburg June 28-August 1, 1863, for six months. No muster information.


 * 21st Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Philadelphia and mustered in April 20, 1861. Mustered out August 9, 1861.


 * 22nd Regiment, Pennsylvania Cavalry (185th Volunteers) Organized at Chambersburg February, 1864. No muster dates.


 * 22nd Regiment, Pennsylvania Cavalry (6 months, 1863-1864) Organized at Harrisburg for six months June and July, 1863. Mustered out February 5, 1864.


 * 22nd Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Philadelphia and mustered in April 23, 1861. Mustered out August 7, 1861.

Units 23rd through 29th

 * 23rd Regiment, Pennsylvania Infantry Organized at Philadelphia August 31, 1861. Mustered out September 8, 1864.

For more information on the history of 23rd Pennsylvania Infantry see the following:

The wikipedia article, 23rd Pennsylvania Infantry (accessed 6 October 2011)


 * 23rd Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Philadelphia and mustered in April 21, 1861. Mustered out July 31, 1861.


 * 24th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Philadelphia and mustered in May 1, 1861. Mustered out August 10, 1861.


 * 25th Regiment, Pennsylvania Infantry (3 months, 1861) Organized at Harrisburg, Pa., April 18, 1861. Mustered out August 1, 1861.


 * 26th Regiment, Pennsylvania Infantry Organized at Philadelphia April 20, 1861. Mustered out June 18, 1864.


 * 26th Regiment, Pennsylvania Infantry Militia (Emergency, 1863) Organized at Harrisburg June 22, 1863, for the protection of Pennsylvania against Lee's invasion. Mustered out July 31, 1863.


 * 27th Regiment, Pennsylvania Infantry Organized at Philadeupbia January, 1861. Mustered out June 11, 1864.


 * 27th Regiment, Pennsylvania Infantry Militia (Emergency, 1863) Organized at Harrisburg June 22, 1863, for the protection of Pennsylvania against Lee's Invasion. Mustered out July 31, 1863.


 * 28th Regiment, Pennsylvania Infantry Organized at Philadelphia and mustered in June 28, 1861. Mustered out July 18, 1865.


 * 28th Regiment, Pennsylvania Infantry Militia (Emergency, 1863) Organized at Harrisburg June 24, 1863, for the protection of Pennsylvania against Lee's invasion. Mustered out July 28, 1863.


 * 29th Regiment, Pennsylvania Infantry Organized at Philadelphia July 1, 1861. Mustered out July 11, 1865.


 * 29th Regiment, Pennsylvania Infantry Militia (Emergency, 1863) Organized at Harrisburg June 23, 1863. Mustered out July 29, 1863

Units 30th through 47th

 * 30th Regiment, Pennsylvania Infantry Militia (Emergency, 1863) Organized at Harrisburg June 25, 1863. Mustered out August 1, 1863.


 * 31st Regiment, Pennsylvania Infantry Militia (Emergency, 1863) Organized at Harrisburg June 30, 1863. Mustered out August 8, 1863.


 * 33rd Regiment, Pennsylvania Infantry Militia (Emergency, 1863) Organized at Harrisburg June 26, 1863. Mustered out August 4, 1863.


 * 45th Regiment, Pennsylvania Infantry Organized at Camp Curtin, Harrisburg, October 21, 1861. Mustered out July 17, 1865.


 * 46th Regiment, Pennsylvania Infantry Organized at Harrisburg October 31, 1861. Mustered out July 16, 1865.


 * 47th Regiment, Pennsylvania Infantry Organized at Harrisburg August and September, 1861. Mustered out December 25, 1865.