Ellis Island Search passenger records from 1892 to 1924 for immigrants who passed through Ellis Island.
Family Search Database with billions of names across hundreds of collections including birth, marriage, death, probate, land, military, IGI extracted, and more.
Find A Grave Search over 91 million grave records. Many link to other family members.
Fold3 Premier collection of military records. (Formerly Footnote.com)
Mocavo Large genealogy search engine with more than six billion names in the index.
National Archives Access to over 2.5 billion digital records including census, vital, newspapers, obituaries and more.
RootsWeb Includes a series of tutorials, links to surname forums, vital records resources, cemetery resources, and more. US GenWeb Project Organized by county and state providing links to all the state genealogy websites which, in turn, provide gateways to the counties.