Massachusetts: State Governors: 1780-1794 Governor of the Commonwealth of Massachusetts 25 Oct 1780 - 18 Feb 1785 John Hancock (x) Lieutenant Governor of the Commonwealth of Massachusetts (ex officio) 18 Feb 1785 - 27 May 1785 Thomas Cushing [1] Governor of the Commonwealth of Massachusetts 27 May 1785 - 1 Jun 1787 James Bowdoin 1 Jun 1787 - 8 Oct 1793 John Hancock (x) Lieutenant Governor of the Commonwealth of Massachusetts (ex officio) 8 Oct 1793 - 29 May 1794 Samuel Adams [2] Governor of the Commonwealth of Massachusetts 29 May 1794 - 2 Jun 1797 Samuel Adams (x) 2 Jun 1797 - 7 Jun 1799 Increase Sumner [1] In office as Lieutenant Governor 1 Dec 1780 - 28 Feb 1788. [2] In office as Lieutenant Governor 29 May 1789 - 29 May 1794 Last updated on: 06 Feb 2018 21:00:00