Nassau County, New York Genealogy

United States New York  Nassau

Parent County
1899: Created from eastern 70 percent of Queens County.

Neighboring Counties
Bronx | Queens | Suffolk | Westchester | Connecticut: Fairfield

Census
For information and tips on using and accessing online census records, see New York Census.

Military
Civil War service men in Nausau County served in various regiments. Men often joined a company (within a regiment) that originated in their county.


 * - 119th Regiment, New York Infantry
 * - 139th Regiment, New York Infantry
 * - 142nd Regiment, New York Infantry
 * - 155th Regiment, New York Infantry
 * - 176th Regiment, New York Infantry

Archives, Libraries and Museums
Libraries The Nassau Library System consists of 54 public libraries in Nassau County. Each library has access to genealogical databases - especially newspaper sites. Many are accessible with your library card from home. A list of the libraries in this system and their website and contact information is found here.

Baldwin Public Library 2385 Grand Avenue Baldwin, NY 11510-3289 Phone: 516-223-6228 Email: edalyba@nassaulibrary.org Library houses obituaries for local newspapers. The Baldwin History room houses history books on Nassau County and Baldwin as well as Suffolk, Queens, Kings, and New York Counties. Collections include journals, photographs, school records, directories, and yearbooks. Baldwin History room open by appointment only.

The Bryant Library 2 Paper Mill Road Roslyn, NY 11576 Phone: 516-621-2240 Email Bryant Room houses the local history collection that includes 19th and 20th century books, mapts, photographs,newspaper clippings, letters and documents. They also have a special collection that includes materials on William Cullen Bryant, Clarence H. Mackay and Christopher Morley. List of collections. Hours vary from the library. You can also make an appointment.

Glen Cove Public Library 4 Glen Cove Avenue Glen Cove, NY 11542-2885 Phone: 516-676-2130 Email: glencove@glencovelibrary.org The Robert R. Coles Long Island History Room contains books; periodical series; artifacts; pamphlets; maps; microfilmed documents; records and manuscripts, and microfilm of local newspapers for the local area. The room has limited hours. Digital collection. Email for history room: Longislandhistory@glencovelibrary.org.

Port Washington Public Library One Library Drive Port Washington, NY 11505 Phone: 516-883-4400 Email: reference@pwpl.org The library has a Local History Center containing digital collections and onsite marterial including newspapers, histories, maps, and manuscripts. The center has limited hours and can be contacted at: localhistory@pwpl.org.

Courthouses
The Nassau County Clerk's office has marriage, land, court, military discharge and naturalization records as well as the state census. The Surrogate Court has probate records. For further information about where the records for Nassau County are held, see the Nassau County Courthouse page.

Divorce
Additional Resources

Websites

 * The Nassau County NYGenWeb Project, a member of The NYGenWeb Project, an affiliate of The USGenWeb Project.
 * The USGenWeb Archives Project for Nassau County.
 * The USGenWeb Archives Project for Nassau County. (Backup site)
 * Long Island Genealogy