Hamilton County Genealogy

Hamilton County genealogy records begin in 1816 when the county was formed from Montgomery County deep in the Adirondack region. This is the least populous county in all of New York State, and it has always been thinly settled. The county seat is Lake Pleasant, a small hamlet in the heart of the mountains. Despite the small population, the county clerk and surrogate's court hold records going back over two centuries. If your ancestors lived in the Adirondacks, Hamilton County records are an important part of your research, though you should expect a smaller collection than you would find in more populated counties.

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Hamilton County Genealogy Overview

1816 County Formed
Lake Pleasant County Seat
1816 Earliest Records
4,416 Population

Hamilton County Clerk Genealogy Records

The Hamilton County Clerk on Route 8 in Lake Pleasant, NY 12108 holds the main genealogy records for this county. Land records go back to 1816 and include deeds, mortgages, and liens. Court records from the same year cover Supreme Court and County Court filings. Marriage records are on file for 1908 through 1935.

The New York State Census records here start with 1855 rather than 1825 because earlier census records for Hamilton County have not survived. Census years on file include 1855, 1865, 1875, 1892, 1905, 1915, and 1925. These fill gaps between federal counts and often have useful details about household members, birthplaces, and occupations.

Call (518) 548-6371 to check hours before you drive out to Lake Pleasant. It is a remote location and the office keeps limited hours compared to larger counties. Copy fees and search procedures follow the standard county rates. Bring your own research notes because there may be limited staff to help with extended searches.

Hamilton County Genealogy Research Sources

The New York State Archives in Albany holds probate and estate records from the colonial period that can supplement Hamilton County research.

New York State Archives probate records for Hamilton County genealogy research

Colonial wills and estate papers at the State Archives have been digitized through Ancestry.com and are free for New York residents to access. While Hamilton County was not formed until 1816, the land was part of Montgomery County before that, so earlier records may be filed there.

Probate Records in Hamilton County

The Hamilton County Surrogate's Court on Route 8 in Lake Pleasant, NY 12108 has probate records from 1816 to the present. Wills, letters testamentary, letters of administration, and estate files are kept here. Since the population has always been small, the total number of probate files is much less than what you would find in a city county, but that can actually make searching easier.

Probate records are some of the best genealogy sources available. A will names heirs. An estate inventory lists property. Letters of administration name the person chosen to handle the estate when there was no will, and that person was typically a close family member. Send a written request by mail with the decedent's name and approximate death date. The court does not accept email requests. Call (518) 548-6372 for current fees and procedures.

Vital Records for Hamilton County Genealogy

The NYS Department of Health has birth, death, and marriage records for Hamilton County from 1881 onward. Early years had incomplete coverage, especially in remote Adirondack communities. Birth records open after 75 years if the person is dead. Death records open after 50 years. Marriage records need 50 years and proof both spouses have died.

Fees start at $22 for a three-year search. Processing takes up to eight months. For Hamilton County specifically, the local town clerks may be your best option for faster service. They often have their own copies and deal with fewer requests than the state office does.

State Resources for Hamilton County Research

The New York State Archives holds vital records indexes, military records, and land grant files that cover Hamilton County. The archives are free and open to the public in Albany. The New York State Library is in the same building and has family histories, research guides, and census records.

FamilySearch has digitized many New York State records including census rolls and some probate files. You can search their catalog for Hamilton County materials at no cost. Because Hamilton County is so small, some researchers overlook it, but that also means the records that do exist are relatively easy to search through. Montgomery County records from before 1816 may contain earlier Hamilton County family information since Hamilton was carved from Montgomery.

The NYS Archives military records cover service from the War of 1812 through World War I. If your Hamilton County ancestors served in the military, these records can provide useful details about their lives and service.

Land Records in Hamilton County

Land records at the county clerk start in 1816. The Adirondack region has a unique land ownership pattern because much of it was state forest preserve by the late 1800s. Private land holdings in Hamilton County are relatively few compared to other counties, but the deeds and mortgages that do exist can help track family property over time.

The NYS Archives holds colonial land patents and state land sales. For Hamilton County, state land transactions from the early 1800s are the most relevant. Land records name buyers, sellers, and sometimes witnesses. They can help you place an ancestor in a specific location at a specific time, which is valuable when census records have gaps. Copy fees at the county clerk are $0.65 per page with $5.00 for certified copies. The grantor and grantee index makes searching by name fairly straightforward, even for the earliest records in the collection.

Hamilton County marriage records from 1908 to 1935 are on file with the county clerk at Route 8 in Lake Pleasant. Phone the clerk at (518) 548-6371 to ask about a specific record before you make the trip.

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Nearby Counties

Counties near Hamilton County with their own genealogy record collections.