- Prior to 1820: No record keeping was required
- starting in 1820: All passengers’ names were recorded on the ship’s passenger lists
- prior to 1855: No processing, passengers just walked off the ship
- 1855 to 1890: Castle Garden
- 1890 to 1891: Barge Office
- 1892 to 1897: Ellis Island
- 1897 to 1900: Barge Office (Ellis Island closed due to fire)
- 1900 to 1924: Ellis Island
- 1924 to 1954: Ellis Island (special cases only)
(source: steve morse.org)