- Beginning Your Genealogical Research: A National Archives and Records Administration site.
- Cemeteries of the United States
- Cyndi’s List of Genealogy Sites on the Internet
- Statue of Liberty-Ellis Island Foundation.: Search passenger arrival records.
- Family Search
- Fold3: Discovery your family’s military past
- MyHeritage
- MyHeritage Library Edition (no login required – also listed here on our Library Database Archive page)
- Long Island Advance – Part of Patchogue Medford Library
- Long Island Forum – Part of Patchogue Medford Library
- Long Island Genealogy
- National Archives and Records Administration
- National Center for Health Statistics
- New York City Department of Records and Information Services (DORIS)
- Rootsweb: Supplied by Ancestry.com, this free website features genealogy databases and surname listings.
- Soundex Converter: Surname conversions
- Stephen Morse’s Genealogial Site: A Genealogical extravaganza!
Genealogy Resource Groups on Long Island (including Brooklyn, Queens, Nassau & Suffolk)
GERMAN GENEALOGY GROUP, INC
- Website: www.germangenealogygroup.com
- Meets first Thursday of each month, 7:30 PM, Family History Center, Plainview, NY. (Except July, August)
- Note: The Family History Center is located in the Church of Jesus Christ of Latter-Day Saints, 160 Washington Ave., Plainview (LI) NY.
- September through June.
- Contact: GGG@GermanGenealogyGroup.com
- All meetings are open to the public at no charge.
IRISH FAMILY HISTORY FORUM
- Website: www.ifhf.org
- Meets third Saturday of the month, 1:00 PM [Help Sessions at 11:30 AM] Bethpage Public Library, 47 Powell Ave. Bethpage.
- Contact: Joe McKeon, (718)945-2811. PO Box 67, Plainview, NY 11803-0067.
- Email: info@ifhf.org
- Visitors Welcome. Non-members and guests: $3.00.
ITALIAN GENEALOGY GROUP
- Website: http://www.italiangen.org
- Meets second Saturday of each month, 10:30 AM, Bethpage Public Library, 47 Powell Ave., Bethpage.
- Contact: Frances Saltarelli: shortfran@aol.com or John: johnm16881@aol.com
- All meetings are open to the public at no charge.
JEWISH GENEALOGY SOCIETY of LONG ISLAND
- Website: http://jgsli.org/
- Facebook: https://www.facebook.com/groups/94538274509/
- Usually meets at 2:00 PM on the fourth Sunday of the month, at the Mid-Island Y-JCC, 45 Manetto Hill Rd., Plainview, NY.
- September through June.
- Library collection housed at the Plainview-Old Bethpage Public Library, 999 Old Country Road, Plainview, NY.
- Contact: info@jgsli.org
- Regular meetings are open to the public at no charge.
PATCHOGUE-MEDFORD LIBRARY GENEALOGY RESEARCH GROUP
- You can make a genealogy appointment online https://app.acuityscheduling.com/schedule.php?owner=19156208&calendarID=5668421 or by calling the reference desk at 631-654-4700 x152.
PLAINVIEW FAMILY HISTORY CENTER (Church of Jesus Christ of Latter Day Saints)
- Facebook: https://www.facebook.com/PlainviewFamilyHistoryCenter/
- Note: The Family History Center is located in the Church of Jesus Christ of Latter Day Saints, 160 Washington Avenue, Plainview (L.I.) N.Y.
- Houses extensive genealogical research library. World’s largest collection of genealogical microfilm available for loan and use in the library. No charge except for copy machine, postage for film loans. Call for hours, directions.
- Library: (516)433-0122. Roberta Olson, Director.
PUERTO RICAN/HISPANIC GENEALOGY SOCIETY
- Website: http://www.rootsweb.com/~prhgs
- Contact: Richard Benedict, (516)785-7671. Email: PRHGS@yahoo.com
- All meetings are open to the public at no charge. Guests Welcome. Please call for location, directions.
SUFFOLK COUNTY HISTORICAL SOCIETY
- Website: http://www.suffolkcountyhistoricalsociety.org/
- Research Library open Wednesday, Thursday and Saturday, 12:30 PM to 4:30 PM. 300 West Main St., Riverhead, NY.
- Contact: Wallace Broege, (631)727-2881. Email: director@schs-museum.org or librarian@schs-museum.org
- Library fee is $2.00.
WADING RIVER HISTORICAL SOCIETY
- Website: https://wadingriverhistoricalsociety.weebly.com/
- Facebook: https://www.facebook.com/Wading-River-Historical-Society-569352723127926/
- North Country Road, Wading River, NY 11792
- (631)929-4082.