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Oswego County, New York
Genealogy, History & Facts

Oswego County, New York Facts

Oswego County

When was Oswego County, NY Created?
Oswego County was created on March 1, 1816 from Oneida County and Onondaga County. This particular county was named for the Oswego River, from an Iroquoian word meaning "the outpouring", referring to the mouth of the river .

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

What counties are adjacent to Oswego County, NY?
Bordering Counties are Lewis County (northeast), Jefferson County (northeast), Oneida County (east), Madison County (southeast), Onondaga County (south), Cayuga County (southwest), Lake Ontario and Canada (northwest) .

What cities and towns are in Oswego County, NY?
Cities and towns located in the County include Fulton, Oswego, Albion, Amboy, Boylston, Constantia, Granby, Hannibal, Hastings, Mexico, Minetto, New Haven, Orwell, Oswego, Palermo, Parish, Redfield, Richland, Sandy Creek, Schroeppel, Scriba, Volney, West Monroe, Williamstown. Villages include Altmar, Central Square, Cleveland, Hannibal, Lacona, Mexico, Minetto, Parish, Phoenix, Pulaski, Sandy Creek. Hamlets include Albion Center, Amboy Center, Arthur, Bardeen Corners, Beecherville, Bernhards Bay, Bowen Corners, Bowen's Corners, Boylston Center, Bundy Crossing, Butterfly Corners, Cains Corners, Carley Mills, Carterville, Catfish, Caughdenoy, Centerville, Chateaugay, Clifford, Colosse, Constantia, Constantia Center, Cribbs Corners, Cummings Bridge, Demster, Demster Beach, Doris Park, Drakes Corner, Dugway, Dutcherville, East Amboy, East Boylston, East Palermo, Fairdale, Farley Corners, Fruit Valley, Furmiss, Gayville, Gilbert Mills, Graftons Square, Granby Center, Greenboro, Hannibal Center, Happy Valley, Hastings, Hastings Center, Hinmansville, Howardville, Ingalls Crossing, Kasoag, Lansing, Little France, Loomis Corner, Lycoming, Mallory, Mallory Station, Maple Hill, Maple View, McMahon Corners, Morse, Mosher Corners, Mud Hill, Mungers Corners, New Haven, New Scriba, Nicholsville, North Amboy, North Boylston, North Constantia, North Church Corner, North Hannibal, North Scriba, North Shores, North Volney, Orwell, Oswego Beach, Oswego Center, Palermo, Panther Lake, Peacock Corners, Peat Corners, Pekin, Pember Corners, Pennellville, Pineville, Plantz Corners, Pleasant Point Crossing, Prattham, Red Mill, Redfield, Ricard, Roosevelt Corners, Russ Mills, Sala, Sand Ridge, Sandy Pond, Scriba, Shephard Corners, Smartville, South Granby, South Hannibal, South New Haven, South Scriba, Southwest Oswego, Stewart Corners, Stillwater, Sutton Corner, Texas, The Elms, Toad Harbor, Upson Corner, Vermillion, Volney, Vorea, Vorhees Corners, Wellwood, West Amboy, Williamstown.

Oswego County, NY Vital Records

Where can find Oswego County Birth, marriage, Divorce and Death Records?
Oswego 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 Oswego 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.

Oswego County, NY Census Records

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

Oswego Co. Mortality Schedules can be obtained for 1850, 1860, 1870 and 1880. Oswego Co. Industry and Agriculture is available for 1850, 1860, 1870 and 1880. Oswego 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

Oswego County, NY Courthouse and Government Records

Oswego County Courthouse

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

  • Oswego County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 46 East Bridge Street, Oswego, New York 13126
    • 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.
  • Oswego 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.
    • Phone: 315-349-8621
    • Land Records: 1791 (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: 1791
    • 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.
  • Oswego 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: 25 East Oneida Street, Oswego, NY 13126
    • Phone: 315-349-3295
    • Probate Records: 1816 (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)
  • Oswego County Treasurer is responsible for the collection of taxes.
  • Oswego 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: 384 East River Road, Oswego, NY 13126
    • Phone: (315) 349-8460
  • New York Wills, 1626-1836
  • BLM Land Records

Oswego County, NY Societies and Family History Resources

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

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

What other genealogical resources are available in Oswego County, NY?
The following are web links to Genealogy, Records and Resources pertaining to Oswego 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.

Oswego Co. NY Books, Newspapers & Publications

Oswego Co. NY Cemeteries & Church Records

Oswego Co. NY Family Websites, Pictures & Histories

Oswego Co. NY General and History Websites

Oswego Co. NY Immigration & Naturalization

Oswego Co. NY Maps, Atlases & Gazetteers

Oswego Co. NY Military Records

Oswego Co. NY Schools & Directories

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