100th Pennsylvania Volunteer Infantry

"The Roundheads"

The 100th Pennsylvania Volunteer Infantry was better known as the Roundheads.
This regiment was organized at Pittsburg August 31, 1861 and mustered out July 24, 1865.


Field and Staff Officers

Name

Rank

Date of Muster into Service Years

Term - Years

Remarks

 Daniel Leasure

 Colonel

 August 31, 1861

 3

Wounded at Bull Run, Va., August 29, 1862; promoted to brevet Brig. General, April 18, 1865; mustered out, August 30, 1864, expiration of term

 Nor'n J. Maxwell

 Colonel

 August 31, 1861

 3

Promoted from Captain Company E to Major, December 11, 1864; to Colonel, April 18, 1865; to Brevet. Brig. General, April 18, 1865; mustered out with Regiment, July 24, 1865

 James Armstrong

 Lt. Colonel

 August 27, 1861

 3

Promoted from Captain Company A to Major, September 10, 1861; to Lt. Colonel, October 9, 1861; resigned July 12, 1862

 David A. Leckey

 Lt. Colonel

 September 5, 1861

 3

Promoted from Captain Company M to Major, October 9, 1861; to Lt. Colonel, July 12, 1861; resigned December 30, 1862

 Math. M. Dawson

 Lt. Colonel

 August 31, 1861

 3

Promoted from Captain Company B to Major, July 12, 1862; to Lt. Colonel, December 30, 1862; died June 30, of wounds received at Petersburg. Va., June 17, 1864; buried in National Cemetery, Arlington

 Jos. H. Pentecost

 Lt. Colonel

 August 27, 1861

 3

Promoted from Captain, Company A, October 16, 1864; to Brevet Colonel, March 25, 1865; died March 26, of wounds received at Petersburg, Va., March 25, 1865

 Charles Wilson

 Lt. Colonel

 August 31, 1861

 3

Promoted from Captain, Company H, April 18, 1865; mustered out with Regiment, July 24, 1865; Vet

 James H. Cline

 Major

 August 31, 1861

 3

Promoted from Captain, Company F, March 18, 1863; resigned May 3, 1864

 Thos. J. Hamilton

 Major

 August 13, 1861

 3

Promoted from Captain Company D, May 21, 1864; died August 14 of wounds received at Petersburg, Va., July 10, 1864

 James W. Bard

 Major

 August 27, 1861

 3

Promoted from Captain Company A, April 18, 1865; mustered out with Regiment, July 24, 1865; Vet

 William H. Powers

 Adjutant

 August 28, 1861

 3

Resigned July 3, 1862

 Samuel G. Leasure

 Adjutant

 August 31, 1861

 3

Promoted from 2d Lieut. Company K, July 12, 1862killed at Petersburg. Va., July 30

 Henry M. Dongan

 Adjutant

 September 13, 1861

 3

Promoted from private, Company A, November 26, 1864; mustered out with Regiment, July 24, 1865; Vet

 Alva H. Leslie

 Quarter Master

 August 28, 1861

 3

Discharged January 25, 1862

 Jefferson Justice

 Quarter Master

 August 31, 1861

 3

Pronoted from 1st Sergt. Company H, Feb. 1, 1862discharged Jan. 31, 1865; expiration of term

 Richard D. Hollne

 Quarter Master

 October 18, 1861

 3

Promoted from priv. Company C to Q. M. Sergeant, November 13, 1862to Quartermaster, March 14, 1865; mustered out with Regiment, July 24, 1865; Vet

 Ferdinand H. Gross

 Surgeon

 September 1, 1861

 3

Promoted to Surgeon U. S. Vols., October 17, 1861

 Horace Ludington

 Surgeon

 October 30, 1861

 3

Discharged September 1, 1864; expiration of term.

 Abraham Maaas

 Surgeon

 September 16, 1862

 3

Promoted from Assistant Surgeon, October 30, 1864; mustered out with Regiment, July 24, 1865

 Joseph P. Rossiter

 Assistant Surgeon

 September 9, 1861

 3

Promoted to Surgeon 129th Regiment P. V., September 15, 1862

 W'm. C. Shurlock

 Assistant Surgeon

 August 2, 1862

 3

Promoted to Surgeon, 51st Regiment P. V., December 28, 1863

 Horace B. Durant

 Assistant Surgeon

 August 27, 1861

 3

Promoted from private Company A, March 23, 1864; discharged by special order, March 17, 1865; Vet

 James C. Card

 Assistant Surgeon

 April 5, 1865

 3

Resigned June 19, 1865

 R. Audley Browne

 Chaplain

 August 28, 1861

 3

Resigned December 28, 1863

 Robert Dickson

 Chaplain

 August 11, 1864

 3

Resigned October 14, 1864

 David Critchlow

 Sergeant Major

 August 31, 1861

 3

Promoted to 2d Lieutenant Company C, November 1, 1861

 Isaac W. Cornelius

 Sergeant Major

 August 31, 1861

 3

Promoted from Sergeant Company C to Sergeant Major, November 1, 1862; to 2d Lieutenant Company C, March 4, 1863

 John W. Morrison

 Sergeant Major

 August 31, 1861

 3

Promoted from Company E, March 18, 1863; to 2d Lieutenant, Company E, May 14, 1863.

 David J. Gilfillan

 Sergeant Major

 September 19, 1861

 3

Captured at James' Island, S. C., June 3, 1862; promoted from Sergeant, Company F to Sergeant Major, March 7, 1863; to 2d Lieutenant, Company F, March 18, 1863

 O. O. Sutherland

 Sergeant Major

 August 31, 1861

 3

Promoted from Company H; died at New Castle, Pa., March 6, 1864

 James W. Bard

 Sergeant Major

 August 27, 1861

 3

Promoted from Sergeant, Company A, March 18, 1864; to 2d Lieutenant, Company A, August 7, 1864

 John C. Moore

 Surgeon

 August 31, 1861

 3

Promoted from Corporal, Company C, September, 1864; mustered out with Regiment, July 24, 1865; Vet.

 Robert B. M'Clain

 Quarter Master Sergeant

 August 31, 1861

 3

Promoted from private, Company B, March 14, 1865; mustered out with Regiment, July 24, 1865; Vet

 John S. Stanger

 Quarter Master Sergeant

 August 31, 1861

 3

Promoted to 2d Lieut., Company H, April 25, 1862

 Isaac Cline

 Commissary Sergeant

 August 31, 1861

 3

Promoted from Company K, September 24, 1864; mustered out with Regiment, July 24, 1865; Vet.

 Andrew B. Patton

 Commissary Sergeant

  

 3

Discharged on Surgeon's Certificate, September 23, 1864; Vet

 James Henderson

 Commissary Sergeant

 August 28, 1861

 3

Not on muster-out roll

 Sam'l K. Norgrave

 Hospital Steward

 September 1, 1861

 3

Mustered out with Regiment, July 24, 1865; Vet

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