Long Island Genealogy


Dedicated to providing reliable and consistent information for Long Island family  researchers since 1993. We are not a corporation or profit making company.  LIG is a personal venture with many helping hands. 
August 2018 marks our 25th year making information available to you!
Please join us in our efforts to make accurate Long Island Family history information available to everyone.  We verify data and correct constantly as new information becomes available.
       Long Island Surnames has been an active resource for the Long Island family history community since 1993.  Through the help of hundreds of long time regional researchers we have compiled a searchable database containing over 3,212,043 individuals, 1,215,933 families and 171,229 sources all directly connected to the early settlers of Long Island.  It is an unparalleled regional database available for your research.
     Reduce your research time and expense by becoming a member.  Over three million Long Island ancestors and one million families - in one place - documented and easily searchable - download family Gedcom and pdf reports free, connect with others by by sharing your family information or simply make additions and corrections so others can benefit.
    Got a research question, need to update information?  Contact links are available on every page.  If it isn't online we're always happy to check our resources for you without charge - all part of being a member of our Long Island Surname family!!
      Please join us and take advantage of the available information while helping us support our work at the same time
  JOIN HERE $10 per month, $25 for 3 Months or $60 a year or pay by check to Long Island Genealogy 3 Apex Dr Coram, NY 11727. Please include an email address with your check so we can send you your login. 
All sales and membership fees go toward supporting our extensive surname database files at "Long Island Surnames" as well as the FREE resources here on "Long Island Genealogy."
Birth Date Calculator - developed by Mac Titmus for Long Island Genealogy
The birth date calculator is a useful tool for genealogists. It is designed to calculate the birth date when the age at death and the date of death are the only facts known.
As we all know this is often the only information recorded on older headstones.

Please make entries in each box on lines 1 and 2
Use a zero where you do not have a number to enter
Item Day Month Year
Date of Death 
Age at death in Days - Months - Years
Calculated Birth Date Will Appear Here - Day - Month - Year:
To perform your calculation enter data on both lines 1 and 2 
then press this button