A 1763 List of the Freeholders in Westchester County
Westchester County Marriage Records 1908-1935
Westchester County Naturalization Records 1805-1955
Migrations.org Westchester Co.
New York History and Genealogy Network - Westchester County a compilation of independent not-for-profit web sites with historical or genealogical content
Revolutionary War Payroll Tax 1776
"The Pelham Weekly"has recent newspaper obituaries.
Westchester County Message Board read and post messages with other genealogy researchers of this county
US GenWeb Archives for Westchester County cemeteries, newspapers, wills, military rosters etc recorded online
Westchester County  Genealogical Society
Westchester County, NY Genealogy Forum read and post messages with other researchers.
Westchester County GenWeb a part of the US GenWeb Project; created in an effort to help researchers find local resources and reference information.
Westchester County Wills Index 1775-1941
 1698 Eastchester Census "Census of Inhabitants of the Town of Eastchester, 1698"
1790 Federal Census

Cemeteries

Cemeteries of Westchester County selected cemetery transcriptions, by "Cemetery Records Online".
Cortlandt Manor; Chase Cemetery
Cortlandt Manor; List of Lot Owners in Hillside Cemetery up to April 1, 1890
Cortlandt Manor; Sandstones of Van Cortlandtville Cemetery
Hastings-on-Hudson; Mt. Hope Cemetery
Lent's Cemetery
Montrose, Cedar Hill Cemetery
Mount Kisco, St. Georges-St. Marks Cemetery
New Castle; Heady Burying Ground (African-American)
Ossining, Sandstones of Sparta Cemetery
Sleepy Hollow; Sleepy Hollow Cemetery

Additional Resources

New York Newspaper Search enter your ancestor's name to instantly search the world's largest newspaper archive; over 12 million newspaper pages
New York Birth Records
New York Marriage Records
New York Divorce Records
New York Death Records