Ancestry is a great way to discover your family history and start your family tree. Access billions of names inside the more than 7,000 available databases of Ancestry® Library Edition, including Census and Vital Records, birth, marriage and death notices, the Social Security Death Index, Passenger lists and naturalizations, Military and Holocaust Records, City Directories, New York Emigrant Savings Bank Records, and African American and Native American Records. Note: Only available at Marlborough Public Library.

A free account here provides access to some very useful databases. For a fee, you can join the Society, and have access to hundreds of additional resources.

The National Archives provides access to a variety of information online.

The local headquarters in Waltham is a great place to visit for more information and classes.

Offers a variety of tools, resources and software to support your historical research.

Offers free access to billions of records including birth, marriage, death, probate, and more. This site also provides guidance for genealogical searching. Select “Learn” at the top of the home page to access the Research Wiki. The FamilySearch affiliate library program does not have a library or institutional login; therefore, all patrons visiting FamilySearch.org receive a prompt to sign in with a free FamilySearch Account. They can create a FamilySearch account by signing in with their Facebook, Apple, or Google account.

Digital Commonwealth is a non-profit collaborative organization that provides resources and services to support the creation, management, and dissemination of cultural heritage materials held by Massachusetts libraries, museums, historical societies, and archives. Digital Commonwealth currently has over 130 member institutions from across the state.

A categorized list of online genealogical resources. A great place to start!