16th New York Infantry Regiment

16th New York Infantry Regiment
Unit name	16th New York Infantry Regiment
Dates	May 1861 – May 1863
Country	United States
Type	Infantry
Size	Regiment
Garrison	New York City, New York
Nickname	"The Empire State Regiment"
Notable commanders	Francis B. Spinola; Alexander S. Diven

16th New York Infantry Regiment was a volunteer infantry regiment raised in New York City during the American Civil War that served in the Union Army from 1861 to 1863. Organized amid the mobilization following President Abraham Lincoln's call for troops, the regiment participated in early war operations in the Eastern Theater and took part in campaigns associated with the Army of the Potomac, including actions connected to the Peninsula Campaign and defenses around Washington, D.C.. The unit's service connected it to significant Union formations and personalities of the era such as George B. McClellan, Winfield Scott Hancock, and Ambrose Burnside.

Formation and Organization

The regiment was mustered into service in May 1861 in New York City under state authorization following proclamations by New York officials reacting to the April 1861 Confederate attack on Fort Sumter. Companies were recruited from Manhattan, Brooklyn, Queens, and Long Island neighborhoods and drew officers from prewar militia organizations including associations tied to Tammany Hall political networks and veterans of the Mexican–American War. Initial field officers comprised Colonel Francis B. Spinola, Lieutenant Colonel Alexander S. Diven, and Major George E. Holbrook; these leaders had prior civic or legal prominence within New York City and connected the regiment to municipal institutions such as the New York State Militia and local volunteer fire companies.

The 16th New York was assigned to brigades and divisions within the Department of Washington and later the Army of the Potomac, undergoing training at encampments on Long Island and near Camp Scott before embarking for duty in the Tidewater and Virginia regions. Organizational changes during 1861–1862 reflected broader Union army reconfigurations under generals like George B. McClellan and staff adjustments by the War Department.

Service History

From initial mustering the regiment performed picket, patrol, and defensive duties around the national capital, operating in concert with units such as the 5th New York Volunteer Infantry and the 7th New York Militia. In the spring of 1862 the regiment joined operations on the Virginia Peninsula as part of the Union build-up for the Peninsula Campaign commanded by George B. McClellan. During this period the 16th New York served in the Army of the Potomac’s corps formations and undertook entrenchment, reconnaissance, and support for assaults on Confederate positions held by forces under Joseph E. Johnston and later Robert E. Lee.

Following the Peninsula Campaign the regiment participated in movements linked to the Northern Virginia Campaign and subsequent defensive assignments during the Maryland Campaign, serving alongside brigades that included units like the 23rd New York Infantry and the 20th New York Infantry. The 16th New York’s service included periods of garrison duty, railroad protection assignments near Fredericksburg, Virginia, and involvement in spring and summer maneuvers under commanders such as Ambrose Burnside and Joseph Hooker.

Engagements and Battles

The regiment saw combat and skirmishing across several notable actions. During the Peninsula operations the unit was engaged in support roles connected to the Siege of Yorktown (1862) and the clashes around Fair Oaks, Virginia and the Seven Pines area. Elements of the 16th New York participated in reconnaissance in force actions and endured artillery and small-arms fire during assaults on Confederate earthworks. Later in 1862 the regiment took part in maneuvers linked to the Second Battle of Bull Run operational environment and sustained engagements related to the Maryland Campaign, including the aftermath of the Battle of Antietam where it helped secure lines of communication and care for the wounded evacuated toward Shenandoah Valley hospitals.

Small-unit engagements, picket conflicts, and defensive fights near Fredericksburg, Virginia exposed the regiment to the attrition and logistical challenges common to the Army of the Potomac’s 1862–1863 operations. Although not universally present at every major collision, the regiment’s service intersected with campaigns influenced by commanders such as George Meade and staff officers who organized corps-level actions.

Commanders and Notable Personnel

Key commanders included Colonel Francis B. Spinola, Lieutenant Colonel Alexander S. Diven, and Major George E. Holbrook. Spinola later achieved civic prominence and connections to Tammany Hall politics; Diven served in legal and congressional roles after the war and was associated with veterans’ organizations. Officers and enlisted men of the regiment went on to careers tied to institutions such as the New York State Assembly, the Grand Army of the Republic, and municipal leadership in New York City boroughs. Several non-commissioned officers received brevet promotions for meritorious service and were recorded in postwar veteran rolls.

Casualties and Strength

At muster the regiment’s authorized strength approximated ten companies of roughly 1,000 men, though attrition from disease, combat, and expirations of enlistment reduced effective strength over two years. Casualty figures included deaths from battle wounds and significant losses due to disease—illnesses common in Civil War camps such as typhoid fever and dysentery—reflecting patterns observed across the Army of the Potomac. The regiment reported dozens killed or mortally wounded in action and a larger number incapacitated by disease and non-combat causes before many original enlistments expired in 1863.

Muster Out and Legacy

The 16th New York Infantry was mustered out in May 1863 when two-year enlistments ended; veterans and recruits were transferred to other New York regiments or mustered into new formations under the call for three-year troops. Postwar the regiment’s veterans participated in reunions, erected memorials at local cemeteries, and engaged with organizations such as the Grand Army of the Republic and state-level veterans’ associations. Regimental service figures and records contributed to municipal histories of New York City and to compilations preserved in archives associated with the New York State Library and historical societies chronicling Civil War contributions from New York. The unit’s service remains noted in studies of the Peninsula Campaign, defenses of Washington, D.C., and the wider mobilization of Northern volunteer regiments.

Category:Units and formations of the Union Army from New York (state)