The Fourth Alabama Painting by Don Troiani

McCunn's Reserve Brigade

Major C G Colgate, 15th New York Infantry

Major C G Colgate, 15th New York Infantry

Fifteenth New York Infantry

Mustered in United States service for two years 17 and 25 June, 1861. Arrived at Washington, D. C., 30 June, 1861. Did not participate in the first battle of Bull Run. Redesignated Fifteenth New York Engineers 25 October, 1861

COLONEL J M MURPHY
J M Murphy was appointed colonel, 15th New York Infantry, at Manhattan (New York County), New York City, New York, on 20 June, 1861, dated 11 May, 1861.

LIEUTENANT COLONEL F B O'KEEFE
F B O'Keefe was appointed major, 15th New York Infantry, on 20 June, 1861, dated 11 May, 1861, and lieutenant colonel on 28 June, 1861, dated 25 June, 1861. Captain R I Dodge, 8th United States Infantry, Company G, declined his appointment as lieutenant colonel, 15th New York Infantry, and Major F B O'Keefe was mustered in United States service as lieutenant colonel, 15th New York Infantry, on 17 June, 1861 (See the United States Battalion Infantry). Lieutenant Colonel F B O'Keefe was dismissed on 2 September, 1861.

MAJOR C G COLGATE
C G Colgate was appointed major, 15th New York Infantry, on 28 June, 1861, dated 25 June, 1861, and lieutenant colonel on 19 September, 1861, dated 14 September, 1861.

Company A: CAPT. T BOGAN
The company was accepted in state service at Manhattan (New York County), New York City, New York, on 9 May, 1861, and T Bogan was appointed captain, 15th New York Infantry, Company A, on 4 July, 1861, dated 9 May, 1861.
Company B: CAPT. J MCQUEEN
The company was accepted in state service at Brooklyn (Kings County), New York City, New York, on 9 May, 1861, and J McQueen was appointed captain, 15th New York Infantry, Company B, on 4 July, 1861, dated 9 May, 1861. Captain J McQueen, 15th New York Infantry, Company B, died near Alexandria, Virginia, on 18 September, 1861.
Company C: CAPT. J J REILLY
The company was accepted in state service at Brooklyn (Kings County), New York City, New York, on 9 May, 1861, and J J Reilly was appointed captain, 15th New York Infantry, Company C, on 4 July, 1861, dated 9 May, 1861.
Company D: CAPT. J C HICKS
The company was accepted in state service at Manhattan (New York County) and Brooklyn (Kings County), New York City, New York, on 9 May, 1861, andJ C Hicks was appointed captain, 15th New York Infantry, Company D, on 4 July, 1861, dated 9 May, 1861.
Company E: CAPT. E C PERRY
The company was accepted in state service at Manhattan (New York County), New York City, New York, on 9 May, 1861, and E C Perry was appointed captain, 15th New York Infantry, Company E, on 4 July, 1861, dated 9 May, 1861.
Company F: CAPT. J GARRETT
The company was accepted in state service at Manhattan (New York County), New York City, New York, on 9 May, 1861, and J Garrett was appointed captain, 15th New York Infantry, Company F, on 4 July, 1861, dated 9 May, 1861.
Company G: CAPT. J LALOR
The company was accepted in state service at Manhattan (New York County), New York City, New York, on 9 May, 1861, and J Lalor was appointed captain, 15th New York Infantry, Company G, on 4 July, 1861, dated 9 May, 1861.
Company H: CAPT. W A KETCHUM
The company was mustered in state service at Manhattan (New York County) and Brooklyn (Kings County), New York City, New York, on 9 May, 1861, and W A Ketchum was appointed captain, 15th New York Infantry, Company H, on 4 July, 1861, dated 9 May, 1861.
Company I: CAPT. G W WARNER
The company was accepted in state service at Manhattan (New York County) and Brooklyn (Kings County), New York City, New York, on 9 May, 1861, and G W Warner was appointed captain, 15th New York Infantry, Company I, on 4 July, 1861, dated 9 May, 1861. Captain G W Warner, 15th New York Infantry, Company I, resigned on 19 December, 1861.
Company K: CAPT. J DODD
The company was accepted in state service at Manhattan (New York County) and Brooklyn (Kings County), New York City, New York, on 9 May, 1861, and J Dodd was appointed captain, 15th New York Infantry, Company K, on 4 July, 1861, dated 9 May, 1861. Captain J Dodd, 15th New York Infantry, Company K, resigned on 11 November, 1861.

Sources

"The Fifteenth Regiment (sappers and miners), Col. McLeod Murphy, broke camp during yesterday afterrnoon, and went to Alexandria."

The Evening Star, 22 July, 1861 - Advanced into Virginia

"The 15th New York Infantry was intended and recruited for an engineer regiment, and was converted to that arm of the service by the War Department 25 October, 1861."

New York in the War of Rebellion, 1861-1865, Volume 2, by Frederick Phisterer

Documents of the Assembly of the State of New York, Eighty-ninth session, 1866, Volume 4, Nos. 61 to 85 inclusive, by New York Legislature Assembly

Notes

The 15th New York Infantry was accepted in state service as sappers and miners on 9 May, 1861, and arrived at Fort Schuyler, Throggs Neck, Westchester County, New York, on 23 May, 1861.

Fort Schuyler, Throggs Neck, Weschester County, to Willett's Point, Queens (Queens County), New York City, New York, 3 June, 1861: The 15th New York Infantry was ordered to Willett's Point, Queens (Queens County), New York City, New York, on 3 June, 1861.

Mustered in two years, Willett's Point, Queens (Queens County), New York City, New York, 17 & 25 June, dated 17 June, 1861: The 15th New York Infantry, Companies A, B, E, F, G, H, I, and K, were mustered in United States service for two years at Camp Morgan, Willett's Point, Queens (Queens County), New York City, New York, by First Lieutenant M Cogswell, 8th United States Infantry, Company E, on 17 June, 1861, and Companies C and D on 25 June, 1861, dated 17 June, 1861.

Willett's Point, Queens (Queens County), New York City, New York, to Washington, D. C., 29-30 June, 1861: The 15th New York Infantry was ordered to proceed by steamer across the Arthur Kill to Elizabethport, Union County, New Jersey, on 29 June, 1861, and proceeded by the New Jersey Railroad to Washington, D. C., the same day. The regiment arrived by the Washington Branch, Baltimore & Ohio Railroad, at Washington, D. C., via Trenton, Mercer County, New Jersey; Philadelphia, Pennsylvania, and Baltimore City and Annapolis Junction, Howard County, Maryland, between 6.30 and 7 PM on 30 June, 1861.

Pennsylvania Avenue, Washington, D. C., 30 June, 1861: The 15th New York Infantry was stationed at Pennsylvania Avenue, Washington, D. C., on 30 June, 1861.

Pennsylvania Avenue, Washington, D. C., to Alexandria, Virginia, 21 July, 1861: The 15th New York Infantry was ordered by steamer across the Potomac River to Alexandria, Virginia, in the afternoon on 21 July, 1861.

Note: The 15th New York Infantry was assigned to McCunn's Brigade, McDowell's Army, under the command of Acting Brigadier General J H McCunn, 37th New York Infantry, in the morning on 21 July, 1861 (See the 37th New York Infantry).

Stationed at Episcopal Theological Seminary, Fairfax County, Virginia, 21 July, 1861: The 15th New York Infantry was assigned to picket duty between Fall's Church, Bailey's Crossroads, Episcopal Theological Seminary, and Cloud's Mills, Fairfax County, Virginia, on 21 July, 1861.

Redesignated 15th New York Engineers, 25 October, 1861: The 15th New York Infantry was redesignated the 15th New York Engineers by the War Department on 25 October, 1861.

Mustered out, Manhattan (New York County), New York City, New York, 25 June, 1863, & Washington, D. C., 13, 14 June, & 2 July, 1865: The three years' men of the 15th New York Engineers were assigned to Companies A, B, and C on 18 June, 1863, and the two years' men, under the command of Colonel C G Colgate, 15th New York Engineers, were mustered out at Manhattan (New York County), New York City, New York, on 25 June, 1863. Company D was assigned to the 15th New York Engineers on 9 October, 1863; Company E in March 1864; and Companies F, G, H, I, K, L, and M in November 1864. The 15th New York Engineers, Companies E, F, G, H, I, K, and L, under the command of Colonel W Brainerd, 15th New York Engineers, were mustered out at Washington, D. C., on 13 June, 1865; Company C on 14 June, 1865; and Companies A, B, and D on 2 July, 1865.

Organisation of Brigadier General W B Franklin's brigade, Division of the Potomac, 4 August, 1861: Brigadier General W B Franklin, United States Volunteers; 15th New York Infantry; 18th New York Infantry; 31st New York Infantry; 32nd New York Infantry; 1st New York Cavalry, Company C; 2nd United States Artillery, Light Company M

Note: The 15th New York Infantry was assigned to Brigadier General W B Franklin's brigade, Division of the Potomac, by Special Orders No.10, Headquarters, Division of the Potomac, Washington, D. C., on 4 August, 1861.