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County |
Created | Formed from |
Named for |
|
Albany County |
1683 |
One of 12 original counties created in the New York colony | James II of England (James VII of Scotland) (1633–1701), who was Duke of York (English title) and Duke of Albany (Scottish title) before becoming King of England, Ireland, and Scotland. | |
Allegany County |
1806 |
Genesee County | A variant spelling of the Allegheny River | |
Bronx County | 1914[6] | New York County | Jonas Bronck (1600?–1643), an early settler of the Dutch colony of New Amsterdam | |
Broome County |
1806 |
Tioga County | John Broome (1738–1810), fourth Lieutenant Governor of New York | |
Cattaraugus County |
1808 |
Genesee County | A Seneca word meaning “bad smelling banks”, referring to the odor of natural gas which leaked from local rock formations | |
Cayuga County |
1799 |
Onondaga County | The Cayuga tribe of Native Americans | |
Chautauqua County |
1808 |
Genesee County | A Seneca word meaning “bag tied in the middle”, in reference to the shape of Chautauqua Lake | |
Chemung County |
1836 |
Tioga County | A Lenape word meaning “big horn”, which was the name of a local Native American village | |
Chenango County |
1798 |
Tioga County and Herkimer County | An Onondaga word meaning “large bull-thistle” | |
Clinton County |
1788 |
Washington County | George Clinton (1739–1812), fourth Vice President of the United States and first and third Governor of New York | |
Columbia County |
1786 |
Albany County | Christopher Columbus (1451–1506), the European explorer | |
Cortland County |
1808 |
Onondaga County | Pierre Van Cortlandt (1721–1814), first Lieutenant Governor of New York | |
Delaware County |
1797 |
Otsego County and Ulster County | Thomas West, 3rd Baron De La Warr (1577–1618), an early colonial leader in Virginia | |
Dutchess County |
1683 |
One of 12 original counties created in the New York colony | Lady Anne Hyde (1637–1671), Duchess of York and wife of King James II of England | |
Erie County |
1821 |
Niagara County | The Erie tribe of Native Americans | |
Essex County |
1799 |
Clinton County | The county of Essex in England | |
Franklin County |
1808 |
Clinton County | Benjamin Franklin (1706–1790), the early American printer, scientist, and statesman | |
Fulton County |
1838 |
Montgomery County | Robert Fulton (1765–1815), inventor of the steamship | |
Genesee County |
1802 |
Ontario County | A Seneca phrase meaning “good valley” | |
Greene County |
1800 |
Albany County and Ulster County | Nathanael Greene (1742–1786), the American Revolutionary War general | |
Hamilton County |
1816 |
Montgomery County | Alexander Hamilton (1755–1804), the early American political theorist and first Secretary of the Treasury | |
Herkimer County |
1791 |
Montgomery County | Nicholas Herkimer (1728–1777), the American Revolutionary War general | |
Jefferson County |
1805 |
Oneida County | Thomas Jefferson (1743–1826), the early American statesman, author of the Declaration of Independence, and third President of the United States | |
Kings County |
1683 |
One of 12 original counties created in the New York colony | King Charles II of England (1630–1685) | |
Lewis County |
1805 |
Oneida County | Morgan Lewis (1754–1844), the fourth Governor of New York | |
Livingston County |
1821 |
Genesee County and Ontario County | Robert Livingston (1746–1813), the early American statesman and New York delegate to the Continental Congress | |
Madison County |
1806 |
Chenango County | James Madison (1751–1836), the early American statesman, principal author of the Constitution of the United States, and fourth President of the United States | |
Monroe County |
1821 |
Genesee County and Ontario County | James Monroe (1758–1831), the early American statesman and fifth President of the United States | |
Montgomery County |
1772 |
Albany County | Originally Tryon County after colonial governor William Tryon (1729–1788), renamed after the American Revolutionary War general Richard Montgomery (1738–1775) in 1784 | |
Nassau County |
1899 |
Queens County | The Princes of Orange-Nassau ruled the Netherlands when Long Island was a Dutch colony | |
New York County |
1683 |
One of 12 original counties created in the New York colony | King James II of England (1633–1701), who was Duke of York and Albany before he ascended the throne of England, Duke of York being his English title | |
Niagara County |
1808 |
Genesee County | An Iroquoian word perhaps meaning “a neck” between two bodies of water, “thunder of waters”, or “bisected bottom land” | |
Oneida County |
1798 |
Herkimer County | The Oneida tribe of Native Americans | |
Onondaga County |
1792 |
Herkimer County | The Onondaga tribe of Native Americans | |
Ontario County |
1789 |
Montgomery County | An Iroquoian word meaning “beautiful lake” | |
Orange County |
1683 |
One of 12 original counties created in the New York colony | William of Orange-Nassau (1650–1702), who became King William III of England | |
Orleans County |
1824 |
Genesee County | The French Royal House of Orléans | |
Oswego County |
1816 |
Oneida County and Onondaga County | The Oswego River, from an Iroquoian word meaning “the outpouring”, referring to the mouth of the river | |
Otsego County |
1791 |
Montgomery County | A Native American word meaning “place of the rock” | |
Putnam County |
1812 |
Dutchess County | Israel Putnam (1718–1790), an American Revolutionary War general | |
Queens County |
1683 |
One of 12 original counties created in the New York colony | Catherine of Braganza (1638–1705), Queen of England and wife of King Charles II of England | |
Rensselaer County |
1791 |
Albany County | In honor of the family of Kiliaen van Rensselaer (before 1596 – after 1643), the early landholder in the Dutch New Amsterdam colony | |
Richmond County |
1683 |
One of 12 original counties created in the New York colony | Charles Lennox, 1st Duke of Richmond (1672–1723), the illegitimate son of King Charles II of England | |
Rockland County |
1798 |
Orange County | Early settlers’ description of terrain as “rocky land” | |
Saratoga County |
1791 |
Albany County | A corruption of a Native American word meaning “the hill beside the river” | |
Schenectady County |
1809 |
Albany County | A Mohawk word meaning “on the other side of the pine lands” | |
Schoharie County |
1795 |
Albany County and Otsego County | A Mohawk word meaning “floating driftwood” | |
Schuyler County |
1854 |
Chemung County, Steuben County, and Tompkins County | Philip Schuyler (1733–1804), the American Revolutionary War general and Senator from New York | |
Seneca County |
1804 |
Cayuga County | The Seneca tribe of Native Americans | |
St. Lawrence County |
1802 |
Clinton County, Herkimer County, and Montgomery County | The St Lawrence River, which forms the northern border of the county and New York State | |
Steuben County |
1796 |
Ontario County | Friedrich Wilhelm von Steuben (1730–1794), the Prussian general who assisted the Continental Army during the American Revolutionary War | |
Suffolk County |
1683 |
One of 12 original counties created in the New York colony | The county of Suffolk in England | |
Sullivan County |
1809 |
Ulster County | John Sullivan (1740–1795), an American Revolutionary War general | |
Tioga County |
1791 |
Montgomery County | A Native American word meaning “at the forks”, describing a meeting place | |
Tompkins County |
1817 |
Cayuga County and Seneca County | Daniel D. Tompkins (1774–1825), the 6th Vice President of the United States | |
Ulster County |
1683 |
One of 12 original counties created in the New York colony | The Irish province of Ulster, then an earldom of the Duke of York, later King James II of England | |
Warren County |
1813 |
Washington County | Joseph Warren (1741–1775), the early American patriot and American Revolutionary War general | |
Washington County |
1772 |
Albany County | Originally Charlotte County, renamed in 1784 after George Washington (1732–1799), the American Revolutionary War general and first President of the United States | |
Wayne County |
1823 |
Ontario County and Seneca County | General Anthony Wayne (1745–1796), the American Revolutionary War general | |
Westchester County |
1683 |
One of 12 original counties created in the New York colony | The city of Chester in England | |
Wyoming County |
1841 |
Genesee County | A modification of a word from the Lenape language meaning “broad bottom lands” | |
Yates County |
1823 |
Ontario County and Steuben County | Joseph C. Yates (1768–1837), eighth Governor of New York |
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