Hamilton County, New York Genealogy Guide
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Hamilton County, New York (Map It) was created on February 21, 1816 from Montgomery County. The county was named in honor of Alexander Hamilton (1755–1804), the early American political theorist and first Secretary of the Treasury.
Hamilton County is bordered by Franklin County (northeast), Essex County (northeast), Warren County (east), Saratoga County (southeast), Fulton County (south), Herkimer County (west), St. Lawrence County (northwest).
Hamilton County Cities and Towns include Arietta (town), Benson (town), Hope (town), Indian Lake (town), Inlet (town), Lake Pleasant (town), Lake Pleasant, Long Lake (town), Raquette Lake (village), Morehouse (town), Speculator (village), Wells (town).
Hamilton County, New York Courthouse Records
Hamilton County, NY Courthouse
The Hamilton County Courthouse is located in Lake Pleasant, New York. 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. Learn More About State of New York Court, Tax, Land and Probate Records.
Please contact the each clerk's department to confirm mailing address, hours, fees and other information before visiting or requesting information because contact information sometimes changes. The Clerk's Office DOES NOT DO RESEARCH. The documents are available to interested parties, barring confidential issues. Most staff will assist people in finding the materials, but it is up to the individual to do the research.
The following dates indicates what vital, land, probate, and court records are in Hamilton county. The date listed for each category of record is usually the earliest registration filed. The earliest date does not indicate that there are numerous records for that year and does not mean that all such events were actually registered. Hamilton remained attached to Montgomery County until 1838 and then briefly to Fulton County. Earlier surrogates’ records are evidently in Montgomery, Fulton, and St. Lawrence counties.
- Hamilton County Clerk has Land Records from 1797, Court Records from 1797 and 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. The 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.
- Hamilton County Surrogate Court Clerk has Probate Records from 1861. The 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.
- Hamilton County Treasurer is responsible for the collection of taxes.
- Hamilton 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.
Hamilton County, New York Census Records
- Learn More: State of New York Census Records
- U.S. Federal Population Schedules: 1820, 1830, 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragmented), 1900, 1910, 1920, 1930, 1940
- U.S. Census Reconstructed Records: 1660-1820
- State Population Schedules: 1855, 1865, 1875, 1892, 1905, 1915, 1925
- Other State Census Schedules: Census of Inmates in Almshouses and Poorhouses, 1830-1920, Census Mortality Schedules, 1850-1880, Non-Population Schedules 1850-1880
- U.S. Federal Census Mortality Schedules: 1850, 1860, 1870 and 1880
- Selected U.S. Federal Census Agriculture Schedules: 1850, 1860, 1870 and 1880
- Selected U.S. Federal Census Industry Schedules: 1850, 1860, 1870 and 1880
- Union Veterans Schedules: 1890
Hamilton County, New York Vital Records
- Learn More: State of New York Vital Records
- Birth and Death Records: from 1880 to present
- Marriage Records: from 1880 to present
- Divorce Records: from January 1963 to present. Earlier Records are in the County Clerk's Office.
- Locations: New York State Dept of Health, Vital Records Section
- Vital Records Online: USAVital, VitalChek or Social Security Death Index
- Vital Records by Mail: Birth Certificate, Marriage Certificate, Divorce Certificate, Death Certificate, Genealogy Applications.
- In Person: New York State Dept of Health, Vital Records Section, Empire State Plaza, Albany, NY 12237; (518) 474-3077, (518) 474-3038 Information
Hamilton County, New York Resources
- State of New York Archives and Societies
- RAOGK Volunteers for New York
- The Adirondack Genealogical – Historical Society
- Central New York Genealogical Society
- Northeastern New York Genealogical Society
- Directory of Archival and Historical Document Collections
- New York Genealogy Research Community
- Hamilton County, New York Message Boards
- Hamilton County, New York Genealogy Forum