Ancestry.com Library Edition (in-library use only) - Contains an extensive amount of genealogical data, such as vital, census, immigration, and military records.
HeritageHub - Contains United States obituaries and death notices from 1704 - present.
Heritage Quest Online (in the library and at home) - Database of United States Census records, thousands of family histories, the PERSI database of periodical articles, and pension records from the Revolutionary War.
Websites
Local
Massachusetts Archives - Search the collection database, Index to Passenger Manifests, and Index to Vital Records.
South Shore Genealogical Society - Meetings are at the John Curtis Free Library at 1:30PM on the second Saturday of the month from September through June.
General
Ellis Island Foundation - Free, searchable database of passenger lists and other information from 1892-1924. Free registration is required.
National Archives - Includes United States census, military, immigration, and naturalization records, as well as instruction for conducting your search.
USGenWeb - Volunteer-based resources, organized by state.