- recent - | State Facts About Massachusetts * Massachusetts is named after a local native american tribe. The name means "a large hill place." * The capital of Massachusetts is Boston * Massachusetts became a state on February 6, 1788 * Massachusetts is 10,555 square miles in size, the 44th biggest in the US * The state bird of Massachusetts is the Chickadee * The state flower of Massachusetts is the Mayflower * The state tree of Massachusetts is the American Elm (Ulmus americana) Massachusetts State Flag Tweet