From Ancestry.com:
Ancestry.com has announced the availability of an index to more than 10 million New York City birth, marriage and death records, spanning 1866-1948, for free online at Ancestry.com/NewYork.
The new index, made possible through a relationship with the New York City Department Of Records/Municipal Archives, brings the vast collection of New York records, images and historical documents already on Ancestry.com to nearly 40 million.
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“We are pleased to have teamed up with Ancestry.com in making this easily-searchable index of New York City’s vital records available online for free,” said Eileen Flannelly, Commissioner of The New York City Department of Records. “It is our charter-mandated responsibility to the public to make this information available, and in working with Ancestry.com we have been able to do so in a way that is easy and efficient for people searching at home.”
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These New York City Vital record indexes on Ancestry.com are free to browse for all who visit. Additionally, official copies of the vital records identified in the indexes can be ordered from the New York City Municipal Archives directly from the Ancestry.com site search.
Read the Complete Announcement