Suffolk County, New York Genealogy
Suffolk County, New York family history and genealogy research page. Uncover links to record collections, history, and genealogy information to help you you track your own Suffolk Co., ancestors. Begin by building a Free Family Tree.
Suffolk County was created on 1683 as one of 12 original counties created in theNew York colony. This particular county was named for the county of Suffolk in England .
The Suffolk County Seat can be found in Riverhead and in addition the county government website is www.suffolkcountyny.gov/
Regions neighboring Suffolk County include Nassau County (west).
Cities and Towns to be found in Suffolk County consists of Riverhead, Babylon, Brookhaven, East Hampton, Huntington, Islip, Riverhead, Shelter Island, Smithtown, Southampton, Southold. Villages include Amityville, Asharoken, Babylon, Belle Terre, Bellport, Brightwaters, Dering Harbor, East Hampton, Greenport, Head of the Harbor, Huntington Bay, Islandia, Lake Grove, Lindenhurst, Lloyd Harbor, Nissequogue, North Haven, Northport, Ocean Beach, Old Field, Patchogue, Poquott, Port Jefferson, Quogue, Sagaponack, Sag Harbor, Saltaire, Shoreham, Southampton, Village of the Branch, Westhampton, West Hampton Dunes.
Suffolk County does have Federal Census Schedules to help in looking into your family tree. United states federal Population Schedules are present for 1790, 1800, 1810, 1820, 1830, 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940. Suffolk Co. Mortality Schedules can be obtained for 1850, 1860, 1870 and 1880. Suffolk Co. Industry and Agriculture is available for 1850, 1860, 1870 and 1880. Suffolk Co. Union Veterans Schedules can be obtained for 1890. You can get free downloadable and also printable census forms that can help with your research.
Suffolk County Societies and Family History Resources
A list of Suffolk County Historical and Genealogical Societies, Forums, Message Boards, Libraries, Archives. See Also New York Archives, Genealogical and Historical Societies for statewide Addresses and links.
- New York State Genealogy Network (facebook.com)
- Genealogy Federation of Long Island ; Compiles information on thirteen Genealogy Organizations located on Long Island
- Suffolk County Historical Society, 300 West Main Street, Riverhead, NY 11901, Phone: 631.727.2881; genealogies, biographies, town records, photographs, maps, cemetery transcriptions, Bible records, newspapers, censuses. Tables of contents forThe Register are available for free online.
- The Computer Genealogy Society of Long Island, Church of Jesus Christ of Latter Day Saints, 160 Washington Ave., Plainview, NY, Phone: 516.921.0841
- Germany Genealogy Group, PO Box 1004, Kings Park, NY 11754
- Jewish Genealogy Society of Long Island, 37 Westcliff Drive, Dix Hills, NY 11746
- Patchogue-Medford Library Genealogy Research Group, 54-60 East Main Street, Patchogue, NY 11772, Phone: 631-654-4700 ext. 231
- Genealogy Workshop of the Huntington Historical Society, 209 Main St., Huntington, NY 11743, Phone: 631.427.7045
- Longwood Genealogy Group, Community Room, Longwood Public Library, 800 Middle Country Road, Middle Island, NY
- Huntington Historical Society Library, High St. & New Park Ave., P.O. Box 506, Huntington, NY 11743, 631-427-7056; A Guide to the Collections of the Resource Center and Archives is available online. Assorted genealogical collections are housed here, including church, cemetery, military, and newspaper records. A list of family files is available online.
- Suffolk County Historical Society Library, 300 West Main St., Riverhead, NY 11901, 631-727-2881; Histories, genealogies, biographies, private papers, photographs, maps, cemetery records, ancestor charts, Bible records, newspapers, censuses, DAR collection.
- Suffolk Cooperative Library System; Maintains copies of Federal Censuses, State Censuses, New York State Records (1799-1804), and City Directories that relate to Suffolk County for use at libraries throughout the county.
- Smithtown Public Library, Richard Handley Collection, East Main St., Smithtown, NY 11787; Thousands of Long Island history and genealogy books, hundreds of maps, newspapers.
- East Hampton Library, 159 Main St., East Hampton, NY 11937; Long Island Collection includes deeds, wills, genealogies, newspapers, family records and more.
- Sag Harbor History Room, John Jermain Memorial Library, 34 West Water St., Sag Harbor, NY 11963, 631.725.0049; photographs, genealogies, local history books, newspapers (dating to 1790), births, deaths, marriages, maps, and more.
- Celia M. Hastings Local History Room, Patchoque-Medford Library, 54-60 East Main Street, Patchogue, NY 11772, Phone: 631.654.4700 ext 240; periodicals, genealogies, maps and atlases, postcards, photographs, family files, oral history, and more.
- Diocese of Rockville Centre, 50 North Park Ave, PO Box 9023, Rockville Centre, NY 11571, Phone: 516.678.5800; The Diocesan Archives collects and maintains records created by the parishes of the Diocese of Rockville Centre.
- New York Genealogy Research Community (facebook.com)
- Suffolk County, New York Message Boards (boards.ancestry.com) read and post messages about your ancestors in Suffolk County
- Suffolk County, New York Genealogy Forum (genforum.genealogy.com) read and post messages with other genealogy researchers for Suffolk County
- USGenWeb Archives for Suffolk County (usgwarchives.net)
Suffolk County Courthouse and Government Records
Researchers frequently overlook the significance of Suffolk County court, probate, and land documents as a resource of family history and genealogy details. Buried away in New York courthouses and archives just about everywhere could be the aspirations and worries of the many New York men and women.
The possibilities are excellent that your particular ancestors and forefathers have left a comprehensive document of at least a number of factors of their lives in the Suffolk County court records. Even if your forebears is not discussed in a Court case, contemplate all of the other procedures that could have lead to him or her appearing in court records.
Please make sure to contact the clerk's office to verify hours, mailing address, fees and other specifics prior to visiting or inquiring information because of occasionally changing contact details. The Department Offices DO NOT DO RESEARCH. The files are readily available to interested parties, barring confidential issues. A good number of staff will help people in locating the resources, however it is up to the person to carry out the research.
The following specifics denotes whatever birth, death, marriage, land, probate, and legal records will be in Suffolk County. The years pointed out listed below tend to be the first known records in this county.
- Suffolk County Courthouse (all departments listed below are located here, unless otherwise noted)
- Address: 170 Federal Plaza, Central Islip, NY 11722
- 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.
- Suffolk 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.
- Address: 310 Center Drive, Riverhead, NY 11901-3392
- Phone: 631-852-2000
- 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.
- Suffolk 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: 320 Center Drive, Riverhead, NY 11901
- Phone: 631-852-1725
- Probate Records: 1787 (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)
- Suffolk County Treasurer is responsible for the collection of taxes.
- Suffolk 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: Division of Cultural and Historical Services, Suffolk County Department of Parks, Montauk Highway, PO Box 144, West Sayville, NY 11796
- Phone: 631-567-1487
- New York Department of Health 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. Birth, marriage, and death records are connected with central life events. They are prime sources for genealogical information.
New York Historical Records
- Databases include New York Court, Land, Wills & Financial Records; New York Birth, Marriage & Death Records; New York Voter Lists & Census Records; New York Immigration & Emigration Records; New York Obituary Records; New York Military Records; New York Family Tree Records; New York Pictures; New York Stories, Memories & Histories; New York Directories & Member Lists and much more....
Suffolk County Genealogy Links
The following are web links to Family history and genealogy, Records and Resources relevant to Suffolk 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. Feel free to suggest your own favorite Suffolk County genealogy or family history related sites.
Suffolk Co. NY Books, Newspapers & Publications
Suffolk Co. NY Birth, Marriage & Death Records
- See Also Statewide Birth, Marriage, Divorce and Death Records in New York
- Order Hard Copies of Vital Records (archives.com)
- The Salmon records : a private register of marriages and deaths of the residents of the town of Southold, Suffolk County, N.Y., (search.ancestry.com)
- Deaths taken from The Republican Watchman (search.ancestry.com)
- Marriages of Suffolk County, N.Y. : taken from the "Republican Watchman," a newspaper published at Greenport, N.Y. (search.ancestry.com)
- New York Births and Christenings, 1640-1962 (familysearch.org)
- New York, County Marriages, 1908-1935 (familysearch.org)
- New York Marriages, 1686-1980 (familysearch.org)
- New York Deaths and Burials, 1795-1952 (familysearch.org)
- Social Security Death Index (search.ancestry.com)
Suffolk Co. NY Court, Probate Land and Tax Records
- See Also New York Court & Tax, Land and Probate Records
- Order County Court, Civil or Criminal Records Online
- New York Wills, 1626-1836 (search.ancestry.com)
- Records of the town of East-Hampton, Long Island, Suffolk Co., N.Y. : with other ancient documents of historic value. (search.ancestry.com)
- Huntington town records : including Babylon, Long Island, N.Y. (search.ancestry.com)
- The ... book of records of the town of Southampton : with other ancient documents of historic value, including all the writings (search.ancestry.com)
- Records of the town of Brookhaven (search.ancestry.com)
- The sixth volume of record of Southampton, L.I., N.Y. (search.ancestry.com)
- Brookhaven town records. (search.ancestry.com)
- The Babylon town patents (search.ancestry.com)
- BLM Land Records (glorecords.blm.gov)
Suffolk Co. NY Census Records
Suffolk Co. NY Cemeteries & Graveyards
Suffolk Co. NY Church & Bible Records
Suffolk Co. NY Family Websites, Pictures & Histories
Suffolk Co. NY General and History Websites
- Suffolk County, New York Wikipedia (wikipedia.org)
- Records of the town of East-Hampton, Long Island, Suffolk County, New York, Vol. 2, 4, and 5 (search.ancestry.com)
- East Hampton Trustees journal (search.ancestry.com)
- Records, town of Brookhaven (search.ancestry.com)
- Portrait and biographical record of Suffolk County (Long Island) New York : containing portraits and biographical sketches of p (search.ancestry.com)
- Thomas Halsey of Hertfordshire, England, and Southampton, Long Island, 1591-1679 : with his American descendants to the eighth (search.ancestry.com)
- Suffolk County, New York Wiki (familysearch.org)
- Suffolk Co. NY Genealogy (kindredtrails.com)
- Family History Library (familysearch.org)
- Suffolk County, New York (linkpendium.com)
- Cyndi's List - United States - New York - Counties - Suffolk (cyndislist.com)
- Suffolk County New York (genealogytrails.com)
- Suffolk Co. NYGenweb (rootsweb.ancestry.com)
- Suffolk County Genealogy Queries (cousinconnect.com)
- Suffolk Co. Data Collections (search.ancestry.com)
Suffolk Co. NY Immigration & Naturalization
Suffolk Co. NY Maps, Atlases & Gazetteers
Suffolk Co. NY Military Records
Suffolk Co. NY Schools & Directories