New York Civil War Union Units A to Z

United States     U.S. Military      New York      New York Military      New York in the Civil War      New York Civil War Union Units A to Z

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

Units A through E

 * Abohbots' (D. O.) Cavalry Battalion; Company D, see 12th Cavalry, or 14th Cavalry
 * Adirondack Regiment, see 118th Regiment, New York Infantry


 * Advance Guard Zouaves, see 5th Regiment, New York Infantry
 * Advanced Zoos; see 62nd Regiment, New York Infantry
 * Albany and Yates Rifles; see 43rd Regiment, New York Infantry
 * Albany County Regiment; see 113th Regiment, New York Infantry, later 7th Regiment, New York Heavy Artillery
 * Albany Regiments; see 3rd Regiment, New York Infantry, 91st Regiment, New York Infantry , and 25th Regiment, New York State Militia (3 months, 1861)
 * Albany Republican Artillery; see 25th Regiment, New York State Militia (3 months, 1861) (Co. A)
 * Albany Zouave Cadets; see 177th Regiment, New York Infantry (Co. A)
 * American Guard; see 124th Regiment, New York Infantry
 * American Rifles; see 71st Regiment, New York State Militia (3 months, 1862)
 * Anderson Zouaves; see 62nd Regiment, New York Infantry
 * Andrew Johnson Cavalry
 * Anthon's Battalion, Light Artillery; see 20th Independent Battery, New York Light Artillery and 28th Independent Battery, New York Light Artillery
 * Anthony Wayne Guard; see 135th Regiment, New York Infantry, later 6th Regiment, New York Heavy Artillery
 * Artillery Company; see 15th Regiment, New York State Militia
 * Artisans and Engineers; see 1st Regiment, New York Engineers
 * Astor Regiment; see 61st Regiment, New York Infantry (Cos. I and K)
 * Astor Rifles; see 29th Regiment, New York Infantry and 61st Regiment, New York Infantry
 * Auburn Regiment; see 75th Regiment, New York Infantry
 * Auburn Regiment, 2d; see 178th Regiment, New York Infantry, later 9th Regiment, New York Heavy Artillery
 * Avery Rifles; see 12th Regiment, New York State Militia (30 days, 1863) (Co. A), later 102nd Regiment, New York Infantry
 * Baden Artillery; see 1st Regiment, New York Jackson Heavy Artillery
 * Baker Rifles; part of 103rd Regiment, New York Infantry
 * Baker's Brigade Battery; see E. D. Baker's Brigade, Light Artillery, Company A, later 13th Independent Battery, New York Light Artillery
 * Bannockburn Battalion; see 79th Regiment, New York Infantry
 * Barnes' Rifle Battery; see 26th Regiment, New York Infantry
 * Barney Black Rifles; see 54th Regiment, New York Infantry
 * Barry's (General) Rocket Battalion Artillery; see Rocket Battalion, New York Light Artillery, later the 23rd Independent Battery, New York Light Artillery and 24th Independent Battery, New York Light Artillery
 * Bartlett's Naval Brigade; see 99th Regiment, New York Infantry
 * Battery A, New York Volunteer Artillery; see 2nd Independent Battery, New York Light Artillery (Blenker's Battery)
 * Battery B, New York Volunteer Artillery; see 3rd Independent Battery, New York Light Artillery
 * Battery C, New York Volunteer Artillery; see 4th Independent Battery, New York Light Artillery
 * Battery D, New York Volunteer Artillery; see 4th Independent Battery, New York Light Artillery
 * Baxter Light Guards; see 31st Regiment, New York Infantry
 * Beecher's Pets; see 67th Regiment, New York Infantry (Co. E)
 * Bell Jefferson, or Bell Rifles; see 94th Regiment, New York Infantry
 * Bemis Height Regiment; see 77th Regiment, New York Infantry
 * Bensen Guard of 125th Regiment; see 12th Regiment, New York State Militia (30 days, 1863)
 * Berdan's Sharpshooters; see 1st Battalion, New York Sharpshooters
 * Billinghurst Battery; see 18th Independent Battery, New York Light Artillery
 * Billy Wilson's Zouaves; see 6th Regiment, New York Infantry
 * Binghamton Regiment; see 109th Regiment, New York Infantry
 * Black Horse Artillery; see 18th Independent Battery, New York Light Artillery
 * Black Horse Cavalry; see 7th Regiment, New York Cavalry
 * Black River Artillery, 1st Battalion;
 * Black River Artillery, 2d Battalion; see 5th Regiment, New York Heavy Artillery
 * Black River Artillery, 3d Battalion;
 * Black River Artillery, 4th Battalion;
 * Black River Artillery Regiment;
 * Black Zouaves


 * Blair Rifles, New York Volunteers Consolidated with 178th Infantry


 * Blenker's Battery, see 2nd Independent Battery, New York Light Artillery
 * Blenker's Rifles; see 8th Regiment, New York Infantry
 * Bliss Cavalry; part of 5th Regiment, New York Cavalry
 * Boonville Regiment; see 97th Regiment, New York Infantry
 * Boyd's Company C Cavalry, Pennsylvania Volunteers; see 1st Regiment, New York Veteran Cavalry
 * Brady's Light Infantry; reorganizaiton of 11th Regiment, New York Infantry
 * Brickell's German Artillery;


 * Burnside Rifles, New York Volunteers Part of 178th Infantry


 * The Defenders Regiment, New York Volunteers Part of 178th Infantry


 * Devin's Independent Company, New York Cavalry (3 months, 1861) Volunteered for three months United States service. Mustered in at Washington July 14, 1861. Mustered out at New York City October 23, 1861.


 * Duryee Zouaves, see 5th Regiment, New York Infantry


 * Enfans Perdus, Independent Battalion, New York Infantry Organized at New York City and Companies "A" to "G" mustered in April 18, 1862. Transferred to 47th New York Infantry January 30, 1864.


 * Excelsior Brigade, New York Infantry [also known as Sickles' Brigade] The four regiments raised by Sickles that comprised the first Excelsior Brigade were the 70th, 72nd, 73rd, and 74th New York Infantry. The brigade was abolished. Most of the Excelsiors were moved to the First Brigade, Third Division. The individual regiments mustered out of the army during the summer of 1864.

Units F through J

 * Faugh-a-ballagh; see 63rd Regiment, New York Infantry (Capt. Brannigan's Co. K)
 * Federal Guard, New York Volunteers "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit."
 * Fifth Ward Volunteers; see 5th Regiment, New York Infantry (Duryee Zouaves) (Co. D)
 * Fifty-sixth Regiment Battery (Fitch's), 2d; see 8th Independent Battery, New York Light Artillery
 * Fifty-sixth Regiment Battery (Regan's), 1st; see 7th Independent Battery, New York Light Artillery
 * Fire Brigade; see 73rd Regiment, New York Infantry
 * Fire Zouaves, 1st Regiment; see 11th Regiment, New York Infantry
 * Fire Zouaves, 2d Regiment; see 73rd Regiment, New York Infantry
 * Fisher's Cavalry; part of 14th Regiment, New York Cavalry
 * Flank Company, 108th Volunteers; see 1st Battalion, New York Sharpshooters
 * Flushing Light Artillery; see 2nd Regiment, New York Heavy Artillery (old Battery L) and 34th Independent Battery, New York Light Artillery
 * Foreign Rifles, 1st; see 39th Regiment, New York Infantry
 * Forster's Heavy Artillery; part of 16th Regiment, New York Heavy Artillery
 * Fort Plain Battery; see 1st Battalion, New York Light Artillery (Battery K)
 * Franklin's Own; see 98th Regiment, New York Infantry
 * Fredendall Regiment; part of 91st Regiment, New York Infantry (failed to organize)
 * Fremont Regiment; see 46th Regiment, New York Infantry
 * Fremont Rifles; see 49th Regiment, New York Infantry (Co. C)
 * Fremont's Mississippi Brigade
 * French Regiment; see 55th Regiment, New York Infantry
 * Friend's Rifle Guards; see 70th Regiment, New York Infantry (Co. E)
 * Frontier Cavalry; see 26th Regiment, New York Cavalry
 * Gallatin Rifles; part of 58th Regiment, New York Infantry
 * Garde De Lafayette; see 55th Regiment, New York State Militia (30 days, 1863) and 55th Regiment, New York Infantry
 * Garibaldi Guard; see 39th Regiment, New York Infantry
 * Garrard's Tigers; see 146th Regiment, New York Infantry
 * Geneseo Regiment; part of 104th Regiment, New York Infantry
 * German Artillery, Company F; part of 41st Regiment, New York Infantry
 * German Artillery Company; part of Hamilton Light Artillery, see 34th Independent Battery, New York Light Artillery
 * German Cavalry, 1st Regiment; see 4th Regiment, New York Cavalry
 * German Heavy Artillery (Adam Senges), 3rd Battalion; later part of 15th Regiment, New York Heavy Artillery
 * German Infantry, 1st Regiment; see 29th Regiment, New York Infantry
 * German Legion; part of Enfans Perdus, Independent Battalion, New York Infantry
 * German Rangers; see 52nd Regiment, New York Infantry (7 Cos.)
 * German Rifles, 1st Regiment; see 8th Regiment, New York Infantry
 * German Rifles, 2d Regiment; see 68th Regiment, New York Infantry
 * German Rifles, 3d Regiment; see 103rd Regiment, New York Infantry
 * German Rifles, 5th Regiment; see 45th Regiment, New York Infantry
 * Glens Falls Company (Milo E. Washburn's); part of 175th Regiment, New York Infantry
 * Goshen Company; see 124th Regiment, New York Infantry (Co. B)
 * Governor Morgan's United States Light Artillery, 2d Regiment; see 2nd Regiment, New York Heavy Artillery
 * Governor's Guard; see 2nd Regiment, New York Mounted Rifles and 66th Regiment, New York Infantry
 * Grenadier Regiment, 1st; see 65th Regiment, New York Infantry
 * Grenadiers; see 103rd Regiment, New York Infantry (Co. A)
 * Grinnell Light Artillery; see 2nd Regiment, New York Heavy Artillery (part of Co. H)
 * Griswold Light Cavalry; see 21st Regiment, New York Cavalry
 * Guards of Liberty and Union; see 81st Regiment, New York Infantry (Mohawk Rangers)
 * Halleck Guard; see 13th Regiment, New York Cavalry (Co. H)
 * Halleck Guard, Co. A; see 119th Regiment, New York Infantry (Co. A)
 * Halleck Infantry; see 146th Regiment, New York Infantry
 * Hamilton Light Artillery; see 2nd Regiment, New York Heavy Artillery (Co. L (old)), later 34th Independent Battery, New York Light Artillery
 * Hancock Guard; part of 90th Regiment, New York Infantry
 * Hancock Regiment; part of 101st Regiment, New York Infantry
 * Harlan's Cavalry, Krom's Co.; see 5th Regiment, New York Cavalry (Co. G)
 * Harris Light Cavalry; see 2nd Regiment, New York Cavalry;
 * Havelock Battery; see 11th Independent Battery, New York Light Artillery
 * Hawkins Zouaves, 1st; see 9th Regiment, New York Infantry
 * Hawkins Zouaves, 2d; see 178th Regiment, New York Infantry


 * Hawkins Zouaves, see 2nd Regiment, New York Infantry
 * Heavy Artillery, 1st Regiment; see 4th Regiment, New York Heavy Artillery and 2nd Regiment, New York Heavy Artillery (Co. B)
 * Heavy Artillery, Jackson, 2d Regiment; see 5th Regiment, New York Heavy Artillery
 * Heavy Artillery; see 4th Regiment, New York Heavy Artillery (National Guard) (30 days, 1863) and 13th Regiment, New York Infantry National Guard (30 days, 1863)
 * Herkimer Regiment; see 34th Regiment, New York Infantry and 121st Regiment, New York Infantry
 * Highlanders, Cameron; see 79th Regiment, New York Infantry
 * Highlanders, 78th; see 78th Regiment, New York Infantry
 * Highland Guard; see 79th Regiment, New York Infantry
 * Hillhouse Light Infantry; see 132nd Regiment, New York Infantry
 * Hiram Barney Rifles; see 54th Regiment, New York Infantry
 * Hobart's (Elijah) Company, 2d Regiment United States Sharpshooters; see 93rd Regiment, New York Infantry (Co. B)
 * Honved Regiment; part of 45th Regiment, New York Infantry
 * 2305. Honved Regiment; part of 52nd Regiment, New York Infantry
 * Horatio Seymour's Cavalry, Cos. A and B; see 13th Regiment, New York Cavalry (Cos. E and F)
 * Horse Artillery, United States Volunteers, 1st Regiment; see 2nd Regiment, New York Heavy Artillery (Cos. A, B, and I)
 * Howard Artillery;
 * Howe's Rifles; see 45th Regiment, New York Infantry
 * Humbold Yaegers; part of 58th Regiment, New York Infantry
 * Hungarian Regiment; part of 39th Regiment, New York Infantry
 * Hussars; see 3rd Regiment, New York Cavalry (Co. C)
 * Hyde's (W. B.) Cavalry; part of 14th Regiment, New York Cavalry
 * Imperial Zouaves; part of 47th Regiment, New York Infantry
 * Independence Guard; see 12th Regiment, New York State Militia (30 days, 1863)
 * Independence Guard; see 12th Regiment, New York State Militia (30 days, 1863) (Co. A), later 102nd Regiment, New York Infantry (Co. A)
 * Independent Battery, Flying Artillery; see 11th Independent Battery, New York Light Artillery
 * Independent Battery B, or 2d; see 3rd Independent Battery, New York Light Artillery
 * Independent Company; see 8th Regiment, New York Infantry and 29th Regiment, New York Infantry
 * Independent Company Infantry, 9th; see 194th Regiment, New York Infantry (Co. D)
 * Independent Company Infantry, 12th, part; part of 194th Regiment, New York Infantry (Co. H)
 * Independent Company Infantry, 17th; see 194th Regiment, New York Infantry (Co. I)
 * Independent Company Infantry, 21st; see 194th Regiment, New York Infantry (Co. F)
 * Independent Company Infantry; see 22nd Regiment, New York Infantry, 30th Regiment, New York Infantry , 35th Regiment, New York Infantry , and 45th Regiment, New York Infantry
 * Independent Company Infantry, 31st; see 75th Regiment, New York Infantry (Co. F (new))
 * Independent Company of Infantry, 49th; see 194th Regiment, New York Infantry (Co. G)
 * Independent Company of Infantry (Edw. Breen's); part of 143rd Regiment, New York Infantry and 169th Regiment, New York Infantry
 * Independent Company of Infantry (Amos Soper's); see 189th Regiment, New York Infantry (Co. K)
 * Independent Corps, New York Light Infantry; see Enfans Perdus, Independent Battalion, New York Infantry
 * Independent Engineers; see 50th Regiment, New York Engineers
 * Independent Irish Regiment; see 63rd Regiment, New York Infantry
 * Independent Rifles; see 151st Regiment, New York Infantry (Co. A)
 * Independent Tompkins Blues; see 12th Regiment, New York State Militia (30 days, 1863)
 * Independent Volunteers; see 50th Regiment, New York Engineers
 * Ira Harris Cavalry; see 5th Regiment, New York Cavalry


 * Ira Harris Cavalry, see 6th Regiment, New York Cavalry
 * Ira Harris Cavalry; see 12th Regiment, New York Cavalry
 * Ira Harris Guard, 1st; see 5th Regiment, New York Cavalry
 * Ira Harris Guard, 2d; see 6th Regiment, New York Cavalry
 * Ira Harris Guard, 3d; see 12th Regiment, New York Cavalry
 * Irish Brigade; see 105th Regiment, New York Infantry (Cos. G, H, and I)
 * Irish Brigade Batteries, 5th Regiment Artillery; see 14th Independent Battery, New York Light Artillery and 15th Independent Battery, New York Light Artillery, which was originally the 2nd Battalion, New York Light Artillery
 * Irish Brigade, Meagher's, 1st Regiment; see 69th Regiment, New York Infantry
 * Irish Brigade, Meagher's, 2d Regiment; see 88th Regiment, New York Infantry
 * Irish Brigade, Meagher's, 3d Regiment; see 63rd Regiment, New York Infantry
 * Irish Brigade, Meagher's, 4th Regiment; see 88th Regiment, New York Infantry (3 Cos.)
 * Irish Brigade, Meagher's, 5th Regiment, formerly 4th; see 88th Regiment, New York Infantry
 * Irish Legion, Corcoran's;
 * Irish Regiment, 3d; see 63rd Regiment, New York Infantry
 * Irish Regiment; see 105th Regiment, New York Infantry
 * Irish Regiment, Buffalo; see 164th Regiment, New York Infantry
 * Irish Rifles; see 37th Regiment, New York Infantry
 * Ironclads; see 136th Regiment, New York Infantry
 * Ironhearted; see 115th Regiment, New York Infantry
 * Ironsides; see 176th Regiment, New York Infantry
 * Italian Guard; see 12th Regiment, New York State Militia (30 days, 1863)
 * Italian Legion; part of 39th Regiment, New York Infantry
 * Ithaca Volunteers; see 32nd Regiment, New York Infantry (Co. A)
 * Jackson Artillery; part of 5th Regiment, New York Heavy Artillery
 * Jackson Guards; see 42nd Regiment, New York Infantry
 * Jackson Heavy Artillery, 2d Regiment; see 5th Regiment, New York Heavy Artillery
 * Jackson Horse Guard; see Devin's Independent Company, New York Cavalry (3 months, 1861) (Co. A)
 * Jackson Regiment, Excelsior Brigade, or Light Infantry; see 71st Regiment, New York Infantry
 * Jefferson County Regiment; see 35th Regiment, New York Infantry and 10th Independent Battery, New York Light Artillery
 * Jefferson Greys; see 35th Regiment, New York Infantry (Co. B)
 * Jefferson Guard; 5th Militia
 * Jersey Company; see 48th Regiment, New York Infantry (Co. D)
 * Johnson, Andrew, Cavalry;

Units K through O

 * Kerrigan Rangers; see 25th Regiment, New York Infantry
 * Keuka Rifles; see 33rd Regiment, New York Infantry
 * Kings County Regiment, New York Volunteers "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit."
 * Kossuth Guard or Rifles; part of 59th Regiment, New York Infantry (Co. I)
 * Lafayette's Fusiliers; see 12th Regiment, New York State Militia (30 days, 1863)
 * Lafayette Guard; see 55th Regiment, New York Infantry
 * Latson's (John W.) Light Artillery; see 2nd Regiment, New York Heavy Artillery
 * LeRoy Regiment; see 105th Regiment, New York Infantry
 * Les Enfants Perdus; Independent Corps, Light Infantry
 * Leslie Guards; part of 66th Regiment, New York Infantry
 * Lewis County Battalion; see 3rd Battalion, New York German Heavy Artillery
 * Light Artillery, Gov. Morgan's 2d Regiment United States; see 2nd Regiment, New York Heavy Artillery
 * Light Battery A, 1st Regiment Artillery; see 2nd Independent Battery, New York Light Artillery (Blenker's Battery)
 * Light Guard, 106th Regiment; see 12th Regiment, New York State Militia (30 days, 1863)
 * Lincoln Cavalry; see 1st Regiment, New York Veteran Cavalry
 * Lincoln Divers; see 99th Regiment, New York Infantry
 * Lincoln Greens; see 4th Regiment, New York Cavalry
 * Lindsay Blues; see 102nd Regiment, New York Infantry National Guard (100 days, 1864)
 * Little Zouaves; see 9th Regiment, New York Infantry
 * Livingston County Regiment; see 104th Regiment, New York Infantry
 * Lochiel Cameron Highlanders; see 78th Regiment, New York Infantry
 * Long Island Volunteers, 1st Regiment; see 67th Regiment, New York Infantry
 * Lost Children; see Enfans Perdus, Independent Battalion, New York Infantry
 * Lyons Regiment; see 98th Regiment, New York Infantry
 * McChesney's (Waters W.) Zouaves; see 10th Regiment, New York Infantry
 * McClellan Cavalry; see 20th Regiment, New York Cavalry
 * McClellan Chasseurs; see 90th Regiment, New York Infantry (Cos. F and K)
 * McClellan Infantry, Co. C; see 87th Regiment, New York Infantry (Co. E)
 * McClellan Infantry; part of 54th Regiment, New York Infantry
 * McClellan Infantry; see 102nd Regiment, New York Infantry
 * McClellan Rifles; see 90th Regiment, New York Infantry (Cos. A through E)
 * Macomb Regiment; see 96th Regiment, New York Infantry
 * Madison and Cortland Regiment; see 157th Regiment, New York Infantry
 * Malone Regiment; see 98th Regiment, New York Infantry
 * Manhattan Rifles; part of 57th Regiment, New York Infantry, see 43rd Regiment, New York Infantry (Co. G (old))
 * Marine Artillery;
 * Meagher's Irish Brigade;
 * Meagher's Own, Mrs.; see 88th Regiment, New York Infantry
 * Mechanic Rifles, Henry Z. Drew's Co.; see 51st Regiment, New York Infantry
 * Mechanic Rifles; see 66th Regiment, New York Infantry (Three companies)
 * Merchant's Brigade, 3d Regiment; part of 178th Regiment, New York Infantry
 * Metropolitan Brigade
 * Metropolitan Cavalry; see 14th Regiment, New York Cavalry
 * Metropolitan Guard, 1st Regiment; see 131st Regiment, New York Infantry
 * Metropolitan Guard, 2d Regiment; see 133rd Regiment, New York Infantry
 * Metropolitan Guard, 3d Regiment; see 162nd Regiment, New York Infantry
 * Metropolitan Guard, 4th Regiment; see 173rd Regiment, New York Infantry
 * Metropolitan Guard, 5th Regiment; see 174th Regiment, New York Infantry
 * Michigan Company; see 1st Regiment, New York Veteran Cavalry (Co. K)
 * Militia, 1st Battalion Light Artillery; part of 1st Battalion, New York Light Artillery (Battery L)
 * Militia, 2d Regiment; see 82nd Regiment, New York Infantry
 * Militia, 9th Regiment; see 83rd Regiment, New York Infantry
 * Militia, 10th Regiment; see 177th Regiment, New York Infantry
 * Militia, 12th Regiment, Henry A. Weeks; see 12th Regiment, New York Infantry (Volunteers, Cos. B, C, D, E and F)
 * Militia, 12th Regiment, Co. A; see 102nd Regiment, New York Infantry (Co. A)
 * Militia, 13th Regiment; part of 87th Regiment, New York Infantry
 * Militia, 14th Regiment; see 84th Regiment, New York Infantry
 * Militia, 15th Regiment, Artillery Co.; see 2nd Regiment, New York Heavy Artillery (Co. L), later 34th Independent Battery, New York Light Artillery
 * Militia, 19th Regiment; see 168th Regiment, New York Infantry
 * Militia, 20th Regiment; see 80th Regiment, New York Infantry and 20th Regiment, New York National Guard
 * Militia, 50th Regiment, Cos. A and B; see 58th Regiment, New York Infantry National Guard (100 days, 1864) (Cos. L and M)
 * Militia, 52d Regiment; part of 176th Regiment, New York Infantry
 * Militia, 55th Regiment; part of 55th Regiment, New York Infantry
 * Ming's Own; part of 59th Regiment, New York Infantry
 * Mix's Cavalry; see 3rd Regiment, New York Cavalry
 * Mix's New Cavalry, 2d Regiment; see 23rd Regiment, New York Cavalry
 * Mohawk Rangers or Rifles; see 81st Regiment, New York Infantry (Three Cos.)
 * Monitors; see 127th Regiment, New York Infantry
 * Monroe Blues; see 12th Militia
 * Monroe County Regiment; see 140th Regiment, New York Infantry
 * Montezuma Regiment; see 31st Regiment, New York Infantry
 * Mooer's Company; see 124th Regiment, New York Infantry (part of Co. E)
 * Morgan Artillery; part of 2nd Regiment, New York Heavy Artillery
 * Morgan Cavalry; part of 10th Regiment, New York Cavalry
 * Morgan Guards; see 104th Regiment, New York Infantry (Cos. H, I, and K)
 * Morgan Light Artillery; see 1st Battalion, New York Light Artillery and part of 2nd Regiment, New York Heavy Artillery
 * Morgan Rifles, 1st; see 58th Regiment, New York Infantry (Cos. A through F)
 * Morgan Rifles; see 93rd Regiment, New York Infantry
 * Morgan's (Governor) United States Light Artillery, 2d Regiment; see 2nd Regiment, New York Heavy Artillery
 * Morgan State Zouaves; see 10th Regiment, New York Cavalry
 * Morris' (Richard H.) Battery; men were recruited from 9th Regiment, New York Infantry and later became part of 3rd Regiment, New York Infantry
 * Mott's Artillery; see 3rd Independent Battery, New York Light Artillery
 * Mountain Legion; see 156th Regiment, New York Infantry
 * Mounted Rifles, 1st Regiment; see 1st Regiment, New York Mounted Rifles (Sometimes designated 7th New York Cavalry.), later part of 4th Provisional Regiment of Cavalry
 * Mounted Rifles, 2d; see 2nd Regiment, New York Mounted Rifles
 * Mounted Rifles, Dickel's; see 4th Regiment, New York Cavalry
 * Mozart Regiment; see 40th Regiment, New York Infantry
 * N. Nail Factory Company; see 169th Regiment, New York Infantry (Co. I)
 * National Cadets; see 69th Regiment, New York State Militia
 * National Grays;
 * National Guard
 * National Guard; see 7th Regiment, New York State Militia (3 months, 1862) and 7th Regiment, New York State Militia (30 days, 1863)
 * National Guard; see 1st Regiment, New York Infantry
 * National Guard, 4th Regiment; see 173rd Regiment, New York Infantry
 * National Guard, 5th Regiment; see 174th Regiment, New York Infantry
 * National Guard Artillery; see 18th Regiment, New York Infantry National Guard (30 days, 1863)
 * National Guard Artillery, 69th Regiment; see 182nd Regiment, New York Infantry
 * National Guard Rifles; part of 57th Regiment, New York Infantry
 * National Guard Zouaves; see 10th Regiment, New York Infantry (Co. A)
 * National Union Rangers; part of 2nd Regiment, New York Heavy Artillery
 * National Volunteers; see 127th Regiment, New York Infantry
 * National Zouaves; see 5th Regiment, New York Infantry (Duryee Zouaves)
 * Naval Brigade;
 * Naval Brigade, Bartlett's; see 99th Regiment, New York Infantry
 * Netherland Legion; part of 139th Regiment, New York Infantry
 * Newburgh Guard; 168th Regiment, New York Infantry (Co. F)
 * New Jersey Cavalry, Van Reypen's Company; see 3rd Regiment, New York Cavalry (Co. M, old, later became part of the 1st Regiment, New Jersey Cavalry)
 * New Paltz Volunteers; part of 156th Regiment, New York Infantry
 * New York and Virginia Coast Guard; see 99th Regiment, New York Infantry
 * New York Battalion
 * New York Battery; see 103rd Regiment, New York Infantry (part of Baker's Rifles)
 * New York British Volunteers
 * New York Cavalry, 7th Regiment; see 2nd Regiment, New York Cavalry
 * New York Cavalry Battalion Frontier Service; see 26th Regiment, New York Cavalry (Cos G-L)
 * New York City Artillery, 1st; see 12th Regiment, New York Heavy Artillery and part of 15th Regiment, New York Heavy Artillery
 * New York Excelsior Rifle Legion; see 92nd Regiment, New York Infantry
 * New York Fire Zouaves, 2d; see 73rd Regiment, New York Infantry
 * New York Legion
 * New York Light Infantry; see 11th Regiment, New York State Militia and 15th Regiment, New York Engineers (Co. G)
 * New York Riflemen; see 93rd Regiment, New York Infantry (Cos. A, B, C, and D)
 * New York Rifles; part of 51st Regiment, New York Infantry
 * New York Sappers and Miners; see 15th Regiment, New York Engineers
 * New York Sharpshooters, 5th Company; see 56th Regiment, New York Infantry
 * New York State Light Infantry, 2d Regiment; see 82nd Regiment, New York Infantry
 * New York State Rifles; see 18th Regiment, New York Infantry
 * New York Union Volunteers, 1st; see 31st Regiment, New York Infantry
 * New York or United States Cavalry, 7th Regiment; see 2nd Regiment, New York Cavalry (Harris Light)
 * New York Volunteers Corps of Engineers; see 1st Regiment, New York Engineers
 * New York Zouaves; see 9th Regiment, New York Infantry and 11th Regiment, New York Infantry (1st Regiment)
 * New York's Own; see 59th Regiment, New York Infantry (Co. I)
 * Niagara Rifles; see 28th Regiment, New York Infantry
 * Normal School Company; see 44th Regiment, New York Infantry (Co. E (new))
 * Northern Black Horse Cavalry; see 7th Regiment, New York Cavalry
 * Northern New York Regiment, 1st; see 16th Regiment, New York Infantry
 * Northern New York Regiment, 2d; see 22nd Regiment, New York Infantry
 * Northern Sharpshooters; part of 93rd Regiment, New York Infantry
 * Northern Tier Regiment; see 22nd Regiment, New York Infantry
 * Nyack Volunteers; part of 17th Regiment, New York Infantry
 * Ogdensburgh Regiment; see 60th Regiment, New York Infantry
 * Ohio 6th Independent Cavalry Co. (Jeptha Garrard's); see 3rd Regiment, New York Cavalry (Co. L)
 * One Hundred and Eighth New York Volunteers; see 1st Battalion, New York Sharpshooters and 18th Independent Battery, New York Light Artillery
 * One Hundred and Twelfth New York Volunteers, Co. L; see 1st Battalion, New York Sharpshooters (Co. 7)
 * Oneida County Regiment, 1st; see 14th Regiment, New York Infantry
 * Oneida County Regiment, 2nd; see 26th Regiment, New York Infantry
 * Oneida County Regiment, 3rd; see 97th Regiment, New York Infantry
 * Oneida County Regiment, 4th; see 117th Regiment, New York Infantry
 * Oneida County Regiment, 5th; see 146th Regiment, New York Infantry


 * Oneida Independent Company, New York Cavalry Organized at Oneida, N. Y., and mustered in September 4, 1861. Attached to Stoneman's Cavalry Command, Army of the Potomac. Mustered out June 13, 1865, and honorably discharged from service.
 * Onondaga and Cortland County Regiment; see 185th Regiment, New York Infantry
 * Onondaga Cavalry; part of 3rd Regiment, New York Cavalry
 * Onondaga County Regiment; see 12th Independent Company, New York Infantry
 * Onondaga County Regiment, 2d, Co. F; see 101st Regiment, New York Infantry (Co. K)
 * Onondaga County Regiment, 3rd; see 122nd Regiment, New York Infantry
 * Onondaga County Regiment, 4th; see 149th Regiment, New York Infantry
 * Onondaga County Regiment, 6th; see 185th Regiment, New York Infantry
 * Onondagas; see 122nd Regiment, New York Infantry
 * Ontario County Regiment; see 33rd Regiment, New York Infantry
 * Orange and Sullivan Regiment; see 56th Regiment, New York Infantry
 * Orange Blossoms; see 124th Regiment, New York Infantry
 * Oregon Rifles, 1st Regiment
 * Orleans Battery; see 17th Independent Battery, New York Light Artillery
 * Oswego County Regiment; see 24th Regiment, New York Infantry
 * Oswego County Regiment, 2d; see seven companies of 81st Regiment, New York Infantry
 * Oswego County Regiment, 3d; see 110th Regiment, New York Infantry
 * Oswego County Regiment, 4th; see 147th Regiment, New York Infantry
 * Otsego Regiments; see 121st Regiment, New York Infantry and 185th Regiment, New York Infantry
 * Otsego County Regiment; see 76th Regiment, New York Infantry

Units P through T

 * Palmer's Artillery; see 2nd Regiment, New York Heavy Artillery
 * Parmenter Riflemen; see 71st Regiment, New York State Militia (3 months, 1862) (Howitzer Co. I), originally 19th Regiment, New York State Militia (3 months, 1862) (Co. L)
 * Parrott Battery; see 4th Independent Battery, New York Light Artillery
 * Paw-Paw, Michigan Co.; see 70th Regiment, New York Infantry (Co. C)
 * Pennsylvania Volunteers Cavalry Regiment, W. H. Boyd's Co.; see 1st Regiment, New York Veteran Cavalry (Co. C)
 * People's Ellsworth Regiment; see 44th Regiment, New York Infantry
 * Perkin's Rifles; see 171st Regiment, New York Infantry
 * Perry's Saints; see 48th Regiment, New York Infantry
 * Phoenix Regiment; part of 164th Regiment, New York Infantry


 * Pierrepont Rifles, New York Volunteers "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit. Part of 14th Cavalry. [http://dmna.state.ny.us/historic/reghist/civil/nicknames.htm#P
 * Pierrepont Cavalry, Abohbot's Cavalry; part of 14th Regiment, New York Cavalry
 * Plattsburgh Regiment; see 96th Regiment, New York Infantry
 * Polish Legion; part of 39th Regiment, New York Infantry and 58th Regiment, New York Infantry
 * Porter Guard; see 10th Regiment, New York Cavalry
 * Potsdam Regiment; see 92nd Regiment, New York Infantry
 * Poughkeepsie Drill Guards; see 21st Regiment, New York State Militia (30 days, 1863)
 * Poughkeepsie Guards; see 21st Regiment, New York State Militia (30 days, 1863)
 * Practical Engineers and Mechanics, 1st Regiment


 * Pratt Guard, New York Volunteers "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit. Part of178th Infantry
 * President's Life Guard, Co. A; see 59th Regiment, New York Infantry (Co. A)
 * Provisional Cavalry; see 1st Regiment, New York Provisional Cavalry, 2nd Regiment, New York Provisional Cavalry , 3rd Regiment, New York Provisional Cavalry , and 4th Provisional Regiment of Cavalry
 * Putnam Rifles; see 66th Regiment, New York Infantry
 * Railway Brigade; see 109th Regiment, New York Infantry
 * Raines' Artillery; part of 15th Regiment, New York Heavy Artillery
 * Raney's (James A.) Battery; part of 80th Regiment, New York Infantry
 * Remington Guard; part of 81st Regiment, New York Infantry
 * Republican Rifles
 * Richmond Guards; see 33rd Regiment, New York Infantry (Co. G)
 * Rifle Battery; see 26th Independent Battery, New York Light Artillery
 * Rifle Battery, 108th Volunteers (Mack's); see 18th Independent Battery, New York Light Artillery
 * Riflemen; see 18th Regiment, New York Infantry
 * Rifle Regiment; see 13th Regiment, New York Infantry
 * Rifles
 * Rifles, 75th; see 37th Regiment, New York Infantry
 * Rochester Cavalry Regiment; see 8th Regiment, New York Cavalry and 22nd Regiment, New York Cavalry
 * Rochester Race Horses; see 140th Regiment, New York Infantry
 * Rochester Regiments, Infantry; see 13th Regiment, New York Infantry, 105th Regiment, New York Infantry , and 108th Regiment, New York Infantry
 * Rochester Union Grays; part of 1st Battalion, New York Light Artillery (National Guard)
 * Rochester Union Greys


 * Rocket Battalion, New York Light Artillery Organized at Albany, N. Y., and mustered in Company "A" December 6 and Company "B" December 7, 1861. Battalion discontinued February 11, 1863, and Company "A" designated 23rd New York Independent Battery Light Artillery. Company "B" designated 24th New York Independent Battery Light Artillery.
 * Sabre Regiment; see 1st Regiment, New York Veteran Cavalry
 * Sackett's Harbor Regiment; see 94th Regiment, New York Infantry
 * Saint Lawrence County Regiment; see 16th Regiment, New York Infantry
 * Saint Lawrence County Regiment, 1st; see 60th Regiment, New York Infantry
 * Saint Lawrence County Regiment, 2d; see 92nd Regiment, New York Infantry
 * Saint Lawrence County Regiment, 3d; see 106th Regiment, New York Infantry
 * Saint Lawrence County Regiment, 4th; see 142nd Regiment, New York Infantry
 * Salt Rangers; see 149th Regiment, New York Infantry
 * Sappers and Miners, New York; see 15th Regiment, New York Engineers
 * Sappers, Miners and Pontoniers; see 50th Regiment, New York Engineers
 * Saratoga Regiment; see 77th Regiment, New York Infantry
 * Sarsfield Rifles; part of 59th Regiment, New York Infantry
 * Sauer's (Geo. W.) Cavalry Company;
 * Scandinavian Volunteers; see 1st Regiment, New York Infantry (Co. I)
 * Schwarze Yaeger; see 54th Regiment, New York Infantry
 * Scott Life Guard; see 28th Regiment, New York Infantry
 * Scott Rifles; part of 51st Regiment, New York Infantry
 * Scott's Life Guard, 1st Regiment; see 4th Regiment, New York Infantry
 * Scott's Life Guard, 2d Regiment; see 38th Regiment, New York Infantry
 * Scott's Nine Hundred; see 11th Regiment, New York Cavalry
 * Scrogg's Brigade
 * Senges' Battalion German Heavy Artillery; see 3rd Battalion, New York German Heavy Artillery
 * Serrell's Artillery; see 4th Independent Battery, New York Light Artillery
 * Serrell's Engineers, see 1st Regiment, New York Engineers
 * Seventy-Fifth Rifles; see 37th Regiment, New York Infantry
 * Seward Artillery; see 2nd Regiment, New York Heavy Artillery
 * Seward Infantry; see 19th Regiment, New York Infantry and 103rd Regiment, New York Infantry
 * Seward National Guard
 * Seward's Own
 * Seymour (Horatio) Cavalry, 1st Regiment, Cos. A and B; see 13th Regiment, New York Cavalry (Cos. E and F)
 * Seymour Guard; see 7th Regiment, New York Heavy Artillery
 * Seymour Light Cavalry; see 13th Regiment, New York Cavalry


 * Seymour Light Infantry, New York Volunteers "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit. Part of 178th Infantry
 * Sharpshooters, 5th Company, Tenth Legion; see 56th Regiment, New York Infantry (Co. L)
 * Sharpshooters, 6th, 7th, 8th and 9th Companies; see 1st Battalion, New York Sharpshooters
 * Sharpshooters, Benjamin C. Butler's Battalion; see 93rd Regiment, New York Infantry (Cos. A, B, C, and D)
 * Sharpshooters, Milton P. Pierce's Company; part of 1st Battalion, New York Sharpshooters (Co. 8)
 * Sharpshooters, Robert Grant's Calcium Light; see 102nd Regiment, New York Infantry
 * Sharpshooters, Sigel's; part of 119th Regiment, New York Infantry
 * Shepard Rifles; see 51st Regiment, New York Infantry
 * Sickles' Brigade; see Excelsior Brigade, New York Infantry
 * Sickles' Cavalry; see 25th Regiment, New York Cavalry
 * Sidways' Buffalo Regiment; part of 151st Regiment, New York Infantry
 * Sigel Life Guard, Co. A; see 119th Regiment, New York Infantry (Co. D)
 * Sigel Rifles; see 52nd Regiment, New York Infantry
 * Sigel Sharpshooters; part of 119th Regiment, New York Infantry
 * Smith Battery; see 4th Independent Battery, New York Light Artillery
 * Smith's Zouaves; see 165th Regiment, New York Infantry
 * Southern Tier Regiment or Rifles; see 23rd Regiment, New York Infantry
 * Spinola's Brigade
 * Sprague Light Cavalry; see 16th Regiment, New York Cavalry


 * Stanton Legion, New York "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit." Part of 145th Infantry
 * State Guard; see 7th Regiment, New York Infantry and 82nd Regiment, New York Infantry
 * State Rifles, New York; see 18th Regiment, New York Infantry
 * Steuben Rangers; see 86th Regiment, New York Infantry
 * Steuben Regiment; see 7th Regiment, New York Infantry
 * Stevens' Sharpshooters; see Enfans Perdus, Independent Battalion, New York Infantry
 * Stoneman's Cavalry; see 9th Regiment, New York Cavalry
 * Storming Tigers
 * Stuart's Engineers; see 50th Regiment, New York Engineers
 * Sullivan County Regiment; see 56th Regiment, New York Infantry and 143rd Regiment, New York Infantry
 * Swain's Cavalry Regiment; see 11th Regiment, New York Cavalry
 * Syracuse Regiment; part of 101st Regiment, New York Infantry
 * Syracuse Zouaves; see 3rd Regiment, New York Infantry
 * Tammany Jackson Guards or Regiment; see 42nd Regiment, New York Infantry
 * Tenth Legion; see 56th Regiment, New York Infantry
 * Tenth Legion Artillery; see 56th Regiment, New York Infantry (1st and 2nd Cos. Light Artillery), 7th Independent Battery, New York Light Artillery, and 8th Independent Battery, New York Light Artillery
 * Tenth Legion Cavalry; see 56th Regiment, New York Infantry (1st and 2nd Cos. Cavalry) and 1st Regiment, New York Mounted Rifles (Sometimes designated 7th New York Cavalry.) (Cos. C and D)
 * Tenth Legion Sharpshooters, 5th Co., Sharpshooters; see 56th Regiment, New York Infantry (Co. L)
 * Tenth National Guard; see 177th Regiment, New York Infantry
 * Tenth Ward Rangers; see 25th Regiment, New York Infantry (Co. A)
 * Thurlow Weed Guards; part of 132nd Regiment, New York Infantry
 * Ticonderoga Cavalry Company; see 2nd Regiment, New York Cavalry (Co. E (new))
 * Tompkins' Blues; see 12th Regiment, New York State Militia (30 days, 1863)


 * Tompkins Cavalry, New York "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit."
 * Tompkin's Minthorne Regiment
 * Troy Regiment, 1st; see 2nd Regiment, New York Infantry
 * Troy Regiment, 2d; see 22nd Regiment, New York Infantry
 * Troy Regiment, 3d; see 169th Regiment, New York Infantry
 * Turner Rifles; see 20th Regiment, New York Infantry

Units U through Z

 * Unassigned New York Infantry "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit."


 * Ulster Guard; see 20th Regiment, New York State Militia (100 days, 1861) and 80th Regiment, New York Infantry
 * Ulster Regiment; see 120th Regiment, New York Infantry
 * Union Battalion of Zouaves; see 6th Regiment, New York Infantry
 * Union Brigade, see 101st Regiment, New York Infantry
 * Union Coast Guard; see 99th Regiment, New York Infantry
 * Union Greys; see 22nd Regiment, New York State Militia (3 months, 1862)
 * Union Grenadiers, Co. A; see 103rd Regiment, New York Infantry (Co. E)
 * Union Guards; see 59th Regiment, New York Infantry
 * Union Rangers; see 25th Regiment, New York Infantry
 * Union Regiment; see 27th Regiment, New York Infantry
 * Union Rifles; see 51st Regiment, New York Infantry
 * Union Sharpshooters; see 17th Regiment, New York Veteran Infantry
 * Union Volunteers; see 6th Regiment, New York Infantry


 * Union Sharpshooters, New York Volunteers "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit." Part of 17th Veteran Infantry http://dmna.state.ny.us/historic/reghist/civil/nicknames.htm#U]


 * United States Chasseurs; see 65th Regiment, New York Infantry
 * United States Constitution Guard; see 40th Regiment, New York Infantry
 * United States Lancers; see 9th Regiment, New York Cavalry (part Co. M)
 * United States Lancers; see 4th Regiment, New York Heavy Artillery (parts of Cos. A and B)
 * United States Light Artillery, Gov. Morgan's 2d Regiment; see 2nd Regiment, New York Heavy Artillery
 * United States National Guards; see 11th Regiment, New York Infantry
 * United States or New York Cavalry, 7th Regiment; see 2nd Regiment, New York Cavalry
 * United States Rifles or Rangers, see 58th Regiment, New York Infantry
 * United States Sharpshooters, Hobart's Company, 2d Regiment; see 93rd Regiment, New York Infantry (Co. B)
 * United States Vanguard; see 59th Regiment, New York Infantry (part)
 * United States Voltigeurs or Rangers, Co. A; see 51st Regiment, New York Infantry
 * United States Voltigeurs, Cos. B and C; see 57th Regiment, New York Infantry (Cos. I and K)
 * United States Volunteer Cavalry, 1st Regiment; see 1st Regiment, New York Veteran Cavalry
 * United States Volunteer Cavalry, 1st Regiment; see 11th Regiment, New York Cavalry
 * United States Volunteers, 1st Regiment Horse Artillery; see 2nd Regiment, New York Heavy Artillery (Cos. A, B, and I)
 * United States Volunteers; see 43rd Regiment, New York Infantry (Captain Chatfield's Co.)
 * United States Volunteers; see 57th Regiment, New York Infantry
 * United States Volunteers; see 59th Regiment, New York Infantry
 * United States Zouave Cadets, Co. B; see 74th Regiment, New York Infantry (Co. A,. John P. Glass)
 * United Turner Rifles; see 20th Regiment, New York Infantry
 * Utica Citizen Corps; see 14th Regiment, New York Infantry (Co. A)
 * Utica Regiment; see 26th Regiment, New York Infantry
 * Unassigned New York Volunteers "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit."


 * Van Alen Cavalry; see 3rd Regiment, New York Cavalry
 * Van Buren Light Infantry; see 102nd Regiment, New York Infantry
 * Vanguard Regiment; see 59th Regiment, New York Infantry


 * Varian's Battery, New York Light Artillery Organized in 1861. Left state April 19, 1861. Mustered out August 2, 1861.


 * Vinton Rifles; see 43rd Regiment, New York Infantry
 * Virginia Coast Guard; see 99th Regiment, New York Infantry
 * Volunteer State Zouaves; see 10th Regiment, New York Infantry (Co. C)
 * Von Beck Canal Rangers or Rifles; see 102nd Regiment, New York Infantry (Cos. B and G)
 * Vosburgh Chasseurs; see 53rd Regiment, New York Infantry (1st), 53rd Regiment, New York Infantry (2nd)
 * Wadsworth Guards; see 104th Regiment, New York Infantry
 * Walkill Guards; see 18th Regiment, New York Infantry (Co. D)
 * Warren Rifles; see 95th Regiment, New York Infantry
 * Washington Continentals; see 168th Regiment, New York Infantry (Co. D)
 * Washington Continentals; see 177th Regiment, New York Infantry (Co. B)
 * Washington County Regiment; see 93rd Regiment, New York Infantry
 * Washington County Regiment; see 123rd Regiment, New York Infantry
 * Washington Grays
 * Washington Grays, 1st Regiment; see 47th Regiment, New York Infantry
 * Washington Grays, 1st Troop; see 8th Regiment, New York State Militia (3 months, 1861)
 * Washington Grays, 1st Troop; see 1st Regiment, New York Engineers (Co. L) and 4th Independent Battery, New York Light Artillery
 * Washington Guards; see 120th Regiment, New York Infantry
 * Washington Light Cavalry, Cos. A and B; see 16th Regiment, New York Cavalry (Cos. L and M)
 * Washington Rifles; see 11th Regiment, New York State Militia, part of the 87th Regiment, New York Infantry
 * Washington Volunteers; see 36th Regiment, New York Infantry
 * Washington Zouaves; part of the 57th Regiment, New York Infantry
 * Washington Zouaves; part of the 87th Regiment, New York Infantry
 * Waterloo Wright Guards; see 33rd Regiment, New York Infantry (Co. C)
 * Wayne County Regiments; part of the 98th Regiment, New York Infantry
 * Wayne County Regiments; part of the 138th Regiment, New York Infantry
 * Wayne Guards, Anthony; see 135th Regiment, New York Infantry, later the 6th Regiment, New York Heavy Artillery
 * Westchester Chasseurs; see 17th Regiment, New York Infantry


 * Westchester Light Infantry, New York Volunteers "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit." Part of 178th Infantry
 * Western Irish Regiment; see 105th Regiment, New York Infantry (Cos. G, H, and I)
 * Westfield Cavalry; see 9th Regiment, New York Cavalry
 * Wheeler's Battery; see 13th Independent Battery, New York Light Artillery
 * W Whitehall Light Guards; reorganized as 22nd Regiment, New York Infantry (Co. G)
 * Wickham's Company of Infantry; part of the 142nd Regiment, New York Infantry
 * Wiedrich's Battery; see 1st Battalion, New York Light Artillery (Battery I)
 * Willard's Battalion of Artillery; later the 20th Independent Battery, New York Light Artillery and 28th Independent Battery, New York Light Artillery
 * WilHamsburgh Volunteers; see 3rd Regiment, New York Infantry (Co. A)
 * Wilson's Zouaves; see 6th Regiment, New York Infantry
 * Winslow's Company of Infantry; see 142nd Regiment, New York Infantry
 * Yager Regiment, 2d; see 41st Regiment, New York Infantry
 * Yates' Rifles; see 43rd Regiment, New York Infantry (2 Companies)
 * Yates' Rifles; see 51st Regiment, New York Infantry
 * Yonkers Regiment; see 172nd Regiment, New York Infantry (Cos. L and M, and parts of B, D, I and K), transferred to 6th Regiment, New York Heavy Artillery
 * Zook's Voltigeurs; see 57th Regiment, New York Infantry
 * Zoos-Zoos; see 9th Regiment, New York Infantry
 * Zouaves, 2d; a transient organization, men joined the 40th Regiment, New York Infantry