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United States   Gotoarrow.png   U.S. Military   Gotoarrow.png   New York   Gotoarrow.png   New York Military   Gotoarrow.png   New York in the Civil War]]  Gotoarrow.png   New York Civil War Union Units 103rd through 150th   Gotoarrow.png   143rd Regiment, New York Infantry

143rd NY InfPhotoOfficers.jpg


Brief History

The 143rd regiment was organized at Monticello, Sullivan County, and mustered in under Colonel David P. De Witt, Lieutenant Colonel Horace Boughton and Major Joseph B. Taft  on October 8, 1862. This regiment was also known as the "Sullivan County Regiment".
The regiment marched to Washington, D. C., April 29-May 20, 1865. Their duty was at Washington, D. C. until July, 1865 where they were mustered out July 20, 1865 under Colonel Horace Boughton[1][2].[3]

For more information on the history of this unit, see:

The New York State Military Museum website has a unit history project page for the 143rd Infantry Regiment.

The Civil War in the East website gives a timeline for the involvement of 143rd New York Infantry Regiment in the war.

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 Monticello, Fremont, Bethel, Rockland, Forestburg, Liberty and Beaver Kill, all of Sullivan County 

Company B - principally recruited from Bethel, Thompsonville, Fallsburg, Forestburg, all of Sullivan County; and Stormville, Dutchess County 

Company C - principally recruited from Fallsburg, Rockland, Grahamville and Neversink, all of Sullivan County 

Company D - principally recruited from Ithaca and Lansing of Tompkins County

Company E - principally recruited from Wurtsborough, Bridgeville, Monticello and Phillipsport, all of Sullivan County 

Company F - principally recruited from Fremont, Callicoon, Jeffersonville, Rockland and Monticello, all of Sullivan County 

Company G - principally recruited from Fremont, Bloomingburg, Neversink, Monticello, Thompson, Cochecton and Tusten, all of Sullivan County 

Company H - principally recruited from Liberty, Monticello and Rockland, all of Sullivan County 

Company I - principally recruited from Dryden, Tompkins County ; and Cochecton, Sullivan County 

Company K - principally recruited from Cochecton, Monticello, Tusten, Callicoon, Highland Lake and Thompson, all of Sullivan County

Source Material

  • Beginning United States Civil War Research gives steps for finding information about a Civil War soldier. It covers the major records that should be used. Additional records are described in ‘New York in the Civil War’ and ‘United States Civil War, 1861 to 1865’ (see below).
  • National Park Service, The Civil War Soldiers and Sailors System, is searchable by soldier's name and state. It contains basic facts about soldiers on both sides of the Civil War, a list of regiments, descriptions of significant battles, sources of the information, and suggestions for where to find additional information.
  • New York in the Civil War describes many Confederate and Union sources, specifically for New York, and how to find them.. These include compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.
  • United States Civil War, 1861 to 1865 describes and explains United States and Confederate States records, rather than state records, and how to find them. These include veterans’ censuses, compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.
  • 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, WI.: Federal Pub. Co., 1908. Other libraries with this book,FHL Collection FHL book 973 M2ua
  • United States. Army.;143 Regiment New York Vols. Inft., Sullivan Co., Washington [District of Columbia] : Library of Congress, Photoduplication Service, 1988 (originally published: Monticello, N.Y. : Watchman Print,1892) . Other libraries with this book, FHL Collection FHL film1486491, FHL fiche 6083836 
  • 143d Regiment Association. A condensed history of the 143d Regiment, New York Volunteer Infantry, of the Civil War, 1861-1865 : together with a register or roster of all the members of the regiment, and the war record of each member, Bethesda, Maryland : University Publications of America,1992 (originally published: Newburgh, N. Y. : Newburgh Journal Print. House, 1909). Other libraries with this book, FHL 660742 FHL fiche 6083837 (3 fiche)
  • Feldman, Bert S, editor, and Sullivan County Civil War Centennial Commission. Brass buttons and leather boots, Sullivan County and the Civil War, South Fallsburg, New York : Steingart Associates,1963. Other libraries with this book, FHL Collection FHL book 974.735 M2b
  • Nash, Eugene Arus.A history of the forty-fourth regiment, New York volunteer infantry in the Civil War, 1861-1865 (Dayton, Ohio : Morningside Bookshop, 1988, c1910) FHL Book 974.7 M2naand (Bethesda, Maryland : University Publications of America, c1992) FHL Fiche 6083717
  • United States. Army. New York Infantry Regiment, 143rd (1862-1865). 143d Regiment New York Vols. Inft., Sullivan Co. (Bethesda, Maryland : University Publications of America, c1992) FHL Fiche 6083836


  1. Frederick Henry Dyer, A Compendium of the War of the Rebellion, (Des Moines, Iowa: Dyer Publishing Co., 1908), as cited at Civil War Soldiers & Sailors System (database on-line) at http://www.itd.nps.gov/cwss/ (accessed 2010).
  2. New York State Division of Military and Naval Affairs. "Unit History Project : 143rd Infantry Regiment” in New York State Military Museum and Veterans Research Center at http://dmna.state.ny.us/historic/reghist/civil/infantry/143rdInf/143rdInfMain.htm (accessed 7 December 2010) citing Frederick Phisterer, New York in the War of the Rebellion, 3rd ed. (Albany, N.Y.: J. B. Lyon Company, 1912).
  3. Hawks, Steve.The Civil War in the East. Database. http://www.civilwarintheeast.com/USA/NY/NY143.php (accessed 7 December 2010)


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