Massachusetts: One of the Original 13 Colonies

Yes. Massachusetts was one of the 13 original British colonies that declared independence in 1776. The full list:

1. Virginia
2. Massachusetts
3. New Hampshire
4. Connecticut
5. Rhode Island
6. Delaware
7. Pennsylvania
8. New York
9. New Jersey
10. Maryland
11. South Carolina
12. North Carolina
13. Georgia

Massachusetts (including present-day Maine) was a center of revolutionary activity—Boston Tea Party, Lexington & Concord, Bunker Hill.