In 1937, by proclamation 2250, President Franklin D. Roosevelt expanded the monument to include all of Bedloe's Island, and in 1956, an act of Congress officially renamed it Liberty Island.
Pada 1937, sesuai proklamasi 2250, Presiden Franklin D. Roosevelt memperluas Statue of Liberty National Monument hingga mencakup keseluruhan Bedloe's Island, dan pada tahun 1956, undang-undang Kongres secara resmi menamainya Liberty Island.