Passenger Lists, Immigration and Ships

Castle Garden - This website is dedicated to the predecessor of Ellis Island, namely Castle Garden that registered and recorded immigrants between 1820-1913.
Ellis Island Records - Database of people who passed through Ellis Island when coming to America between 1892 and 1924.
Immigrant Ships Transcribers Guild
The Ships List
National Archives Passenger Lists
Russians to America, Italians to America, Germans to America, Irish Famine Immigrants databases.