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Westchester County, New York
Genealogy, History & Facts

Westchester County, New York Facts

Westchester County

When was Westchester County, NY Created?
Westchester County was created on November 1, 1683 as One of 12 original counties created in the New York colony. This particular county was named for the city of Chester in England .

What is the County Seat of Westchester County, NY?
The County Seat is located in White Plains and in addition the county government website is

What counties are adjacent to Westchester County, NY?
Bordering Counties are Putnam County (north), Fairfield County, CT (northeast), Bergen County, NJ (southwest), Rockland County (west), Bronx County (south).

What cities and towns are in Westchester County, NY?
Cities and towns located in the County include Mount Vernon, New Rochelle, Peekskill, Rye, White Plains, Yonkers, Bedford, Cortlandt, Eastchester, Greenburgh, Harrison, Lewisboro, Mamaroneck, Mount Kisco, Mount Pleasant, New Castle, North Castle, North Salem, Ossining, Pelham, Pound Ridge, Town of Rye, Scarsdale, Somers, Yorktown. Villages include Ardsley, Briarcliff Manor, Bronxville, Buchanan, Croton-on-Hudson, Dobbs Ferry, Elmsford, Hastings-on-Hudson, Irvington, Larchmont, Mamaroneck, Ossining, Pelham, Pelham Manor, Pleasantville, Port Chester, Rye Brook, Sleepy Hollow, Tarrytown, Tuckahoe. Communities include Amawalk, Armonk, Baldwin Place, Banksville, Bedford, Bedford Hills, Bedford Village, Chappaqua, Cortlandt Manor, Crompond, Cross River, Croton Falls, Crugers, Eastchester, Eastview, Fairview, Golden's Bridge, Granite Springs, Greenville/Edgemont, Hartsdale, Hawthorne, Heritage Hills, Jefferson Valley-Yorktown, Katonah, Lake Mohegan, Lincolndale, Millwood, Montrose, Peach Lake, Pocantico Hills, Purchase, Purdys, Salem Center, Scotts Corners, Shenorock, Shrub Oak, Somers, South Salem, Thornwood, Tompkins Corners, Valhalla, Verplanck, Vista, Waccabuc, Yorktown Heights

Westchester County, NY Vital Records

Where can find Westchester County Birth, marriage, Divorce and Death Records?
Westchester County vital records can be found at the New York Department of Health which has copies of birth records after 1881 and death records after 1880, copies of marriage since 1881 (A marriage license may also sometimes be found in the office of the town or city clerk who issued the license) and a Divorce records since 1847 (Is handled in the supreme court for the county in which the divorce was heard. Divorce files, however, are sealed for one hundred years). There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in New York for current fees and application process.

You can search online for Westchester County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for New York Birth and Death Certificate, Marriage and Divorce Certificate Application to mail.

Westchester County, NY Census Records

What Westchester County, NY census records are available?
There are many types of census records for Westchester County guide you in researching your family tree. Federal Population Schedules are available for 1790, 1800, 1810, 1820, 1830, 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Westchester Co. Mortality Schedules can be obtained for 1850, 1860, 1870 and 1880. Westchester Co. Industry and Agriculture is available for 1850, 1860, 1870 and 1880. Westchester Co. Union Veterans Schedules can be obtained for 1890.

There are New York State censuses from 1880, 1892, 1905, 1855, 1865, 1875, 1892, 1905, 1915, 1925. You can get free downloadable and also printable census forms to help you with your research. See Also New York Census Records Research Guide

Westchester County, NY Courthouse and Government Records

Westchester County Courthouse

What genealogical records can I find in the Westchester County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Westchester County. The years listed below are the first noted records with this county. See Also New York Corthouse Records Research Guide.

  • Westchester County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 111 Dr. Martin Luther King Jr. Blvd, White Plains, NY 10601
    • Also contact local Town Clerks. They are responsible for vast amounts of local information from deeds, property transfers, and genealogical materials. Research on place and road names, the history of property transfers and much more are available through your Town Clerk. They are a tremendous resources.
  • Westchester County Clerk  is the keeper of most civil and criminal trial court records for Supreme Court and County Court, naturalizations, marriages (1908–35), censuses (Some county clerks' offices hold duplicate copies of some of the State censuses taken periodically between 1825 and 1925 and copies of the federal census), as well as deeds and mortgages. Records, with indexes for 1680—1897, are held at the Records Center and Archives. Later deed records are with the county clerk
    • Phone: 914-995-3080
    • Land Records: 1683 (Land conveyances, deeds and mortgages are recorded in the county clerks' offices or in the New York City Register's Office. Recording of deeds became mandatory statewide in 1840. Before that many deeds were not recorded)
    • Court Records: 1683
    • Naturalization Records: State court naturalization records remain in custody of the county clerks. Older court naturalization records have been transferred to the National Archives--Northeast Region.
  • Westchester County Surrogate Court Clerk maintain records of wills, letters testamentary, letters of administration, orders and decrees, and appointments of guardians; and filed papers, including original wills, petitions for probate (gives date of death and lists next of kin), performance bonds, property inventories (seldom found after ca. 1900), administrator's or executor's accountings, etc. Surrogate's Courts create comprehensive indexes to records and files.
    • Address: 140 Grand Street 8th Floor, White Plains, NY 10601
    • Phone: 914-824-5656
    • Probate Records: 1775 (each county generally has records dating back to the establishment of the county or 1787, whichever was later. Record keeping was systematized by an 1830 statute)
  • Westchester County Treasurer is responsible for the collection of taxes.
  • Westchester County Historian maintains archival holdings for virtually every facet of the county’s history. In New York State, every municipality (town, city, village, county) must have an appointed historian. Most of the towns have their own historians as well and each can be contacted. The County Historian may provide access to obituaries, vital records, church records, maps, and family files or journals. Some historians provide search services for their office records and others may refer you to local genealogists who research in the area.
    • Address: 2199 Saw Mill River Road, Elmsford, NY 10523
    • Phone: 914–592-4323
  • Records of the town of New Rochelle, 1699-1828
  • Early wills of Westchester County, New York : from 1664 to 1784 : a careful abstract of all wills (nearly 800) recorded in New
  • Old wills of New Rochelle
  • Old wills of New Rochelle
  • The minutes of the Court of Sessions (1657-1696), Westchester County, New York
  • Records of the town of Eastchester, Westchester County, New York
  • New York Wills, 1626-1836
  • BLM Land Records

Westchester County, NY Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Westchester County, NY?
A list of Westchester County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide New York Archives, Historical & Genealogical Societies.

Where can I connect with other Westchester County, NY Researchers through message boards and forums?

What other genealogical resources are available in Westchester County, NY?
The following are web links to Genealogy, Records and Resources pertaining to Westchester County. Most of these genealogy links fall into 3 categories: Business oriented Sites, Private Sites or Organization Sites. Some have free access some have to have a cost. This is simply a listing that has been compiled or submitted. I do not recommend or promote one genealogy site over another.

Westchester Co. NY Books, Newspapers & Publications

Westchester Co. NY Cemeteries & Church Records

Westchester Co. NY Family Websites, Pictures & Histories

Westchester Co. NY General and History Websites

Westchester Co. NY Immigration & Naturalization

Westchester Co. NY Maps, Atlases & Gazetteers

Westchester Co. NY Military Records

Westchester Co. NY Schools & Directories

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