121st Regiment, New York Infantry

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Brief History
The 121st Infantry Regiment was organized at Herkimer, Herkimer County and mustered in August 13, 1862. This unit was also known as the Otsego and Herkimer Regiment (nicknamed "Onesters"). The regiment marched to Washington, D. C., May 24-June 3, 1865. They were mustered out June 25, 1865 at Hall's Hill, Virginia under Colonel Olcott, Lieutenant and Colonel Kidder. The veterans and recruits were transferred to the 65th New York Infantry.

The New York State Military Museum website has a unit history project page for the 121st Infantry Regiment.This page also has a link to an historical sketch for the regiment.

The Civil War in the East website gives a timeline for the involvement of 121st New York Infantry Regiment in the war.

An overview of the involvement of this regiment in the Antietam Campaign can be seen on the "Antietam on the Web" website.

121th New York Infantryarticle on Wikipedia gives a brief history of the unit, including places served, battles fought, and commanders.

Companies in this Regiment with the Counties of Origin
Men often enlisted in a company recruited in the counties where they lived though not always. After many battles,companies might be combined because so many men were killed or wounded. However if you are unsure which company your ancestor was in, try the company recruited in his county first.

See the Regiment Roster, for listing of individuals, their company and their involvement.

Company A - principally recruited from Manheim, Little Falls, Salisbury and Danube, all of Herkimer County

Company B - principally recruited from Plainfield,Otsego County; Winfield,Litchfield, German Flats, Columbia and Stark, all of Herkimer County

Company C - principally recruited from Fairfield, Russia, Herkimer and Newport, all of Herkimer County

Company D - principally recruited from Frankfort, Warren, Manheim, Schuyler, Columbia and Salisbury, all of Herkimer County

Company E - principally recruited from Middlefield, Milford, Cherry Valley, Hartwick, Springfield, Otego and Roseboom, all of Otsego County

Company F - principally recruited from Edmeston, Exeter, Unadilla, Otego and Maryland, all of Otsego County

Company G - principally recruited from Herkimer, Herkimer County; Cherry Valley, Roseboom, Decatur, Middlefield, Westford, and Worcester, all of Otsego County

Company H - principally recruited from Little Falls and Salisbury of Herkimer County;  Richfield and Otego of Otsego County

Company I - principally recruited from German Flats, Herkimer County; Milford, Laurens, Morris, Worcester, Pittsfield, and Hartwick, all of Otsego_County

Company K - principally recruited from Laurens, New Lisbon, Oneonta, Burlington, Otego, Butternuts, Pittsfield and Plainfield, all of Otsego County

Source Material
New York in the War of the Rebellion, 1861 to 1865, by Frederick Phisterer (Albany : J.B. Lyon, 1912). Google Books, other libraries with this book, FHL book 974.7 M2p, FHL film 1486494-1486496

The Union Army : a History of Military Affairs in the Loyal States, 1861-65, Records of the Regiments in the Union Army, Cyclopedia of Battles, Memoirs of Commanders and Soldiers, Reprint of original published: Madison, Wis.: Federal Pub. Co., 1908. Other libraries with this book, FHL book 973 M2ua

History of the 121st New York State Infantry by Isaac O. Best and United States. Army. New York Infantry Regiment, 121st (1861-1865) (Microfiche of original published: Chicago, Ill. : J. H. Smith, 1921. x, 254 p. : ill. Bethesda, Maryland : University Publications of America, c1992 ) Google Books Internet Archives   FHL fiches 6083815 (3 fiche)

Memorial and letters of Rev. John R. Adams : D. D., chaplain of the Fifth Maine and the One Hundred and Twenty-First New York regiments during the war of the rebellion, serving from the beginning to its close by John R(ipley) Adams and United States. Army. New York Infantry Regiment, 121st (1861-1865) (Microfiche original published: Cambridge, [Mass] : University Press, 1890. viii, 242 p. : port. Bethesda, Maryland : University Publications of America, c1992 ) Other libraries with this book FHL fiche 6083814 (3 fiche)

Personal experiences in the war of the great rebellion, from December, 1862, to July, 1865 by F. W. Morse and United States. Army. New York Infantry Regiment, 121st (1861-1865) (Bethesda, Maryland : University Publications of America, c1992)Internet Archives  FHL fiche 6083816 (2 fiche)

Upton's Regulars : the 121st New York Infantry in the Civil War by Salvatore G. Cilella, Jr. and United States. Army. New York Infantry Regiment, 121st (1861-1865) (Lawrence, Kansas : University Press of Kansas, c2009 ) Other libraries with this book  FHL 974.7 M2cs