Suffolk County, New York Online Historical Directories

Expand your research by checking out the New York Online Historical Newspapers here.

Long Island Community Directories, Curtin, 1868 - Free (Longwood Genealogy Group)
 - includes Babylon, Cold Spring Harbor, Greenport (A-E, F-P, R-Y), Huntington, Islip, Patchogue, Port Jefferson, Riverhead, and Sag Harbor
 - transcribed
 (Note: the links for Longwood Genealogy Group are hosted by RootsWeb, which is currently offline.)

Long Island Business Directory, Lain, 1878-9 - Free (Internet Archive)
 - includes Amityville, Babylon, Breslau (now Lindenhurst), Bridgehampton, East Hampton, Greenport, Huntington, Islip, Mattituck, Northport, Patchogue, Port Jefferson, Riverhead, Sag Harbor, Sayville, Shelter Island, Southampton, Stoney Brook, Southold, Stoney [sic] Brook, and West Hampton (Dunes)

Patchogue Village Directory, Curtain, 1868-9 - Free (Steve Morse)
 - transcribed

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