Name | State | Masonic Membership, if any |
| Abraham Baldwin | Georgia | no evidence of Masonic membership |
| Richard Bassett | Delaware | no evidence of Masonic membership |
| Gunning Bedford, Jr. | Delaware | 1st Grand Master of Delaware |
| John Blair | Virginia | 1st Grand Master of Virginia |
| William Blount | North Carolina | doubtful if he was a Mason |
| David Brearley | New Jersey | 1st Grand Master of New Jersey |
| Jacob Broom | Delaware | officer in his Lodge |
| Pierce Butler | South Carolina | no evidence of Masonic membership |
| Daniel Carroll | Maryland | Mason who participated in the Masonic cornerstone laying of the U.S. Capitol, with George Washington |
| George Clymer | Pennsylvania | no evidence of Masonic membership |
| Jonathan Dayton | New Jersey | Member of Temple Lodge No. 1 in Elizabethtown, NJ |
| John Dickinson | Delaware | Member of a Lodge in Dover, Delaware |
| William Few | Georgia | doubtful if he was a Mason |
| Thomas FitzSimons | Pennsylvania | no evidence of Masonic membership |
| Benjamin Franklin | Pennsylvania | Grand Master of Pennsylvania |
| Nicholas Gilman | New Hampshire | Member of a St. John's Lodge No. 1, Portsmouth, N.H. |
| Nathaniel Gorham | Massachusetts | no evidence of Masonic membership |
| Alexander Hamilton | New York | no evidence of Masonic membership |
| Jared Ingersoll | Pennsylvania | no evidence of Masonic membership |
| Daniel Jenifer of St. Thomas | Maryland | no evidence of Masonic membership |
| William Samuel Johnson | Connecticut | doubtful if he was a Mason |
| Rufus King | Massachusetts | Member of St. John's Lodge, Newburyport, Massachusetts |
| John Langdon | New Hampshire | doubtful if he was a Mason |
| William Livingston | New Jersey | no evidence of Masonic membership |
| James McHenry | Maryland | Member of Spiritual Lodge No. 23, Maryland (raised 1806, "struck off" 1809) |
| James Madison | Virginia | no evidence of Masonic membership |
| Thomas Mifflin | Pennsylvania | no evidence of Masonic membership |
| Gouverneur Morris | Pennsylvania | no evidence of Masonic membership |
| Robert Morris | Pennsylvania | doubtful if he was a Mason |
| William Paterson | New Jersey | Member of Trenton Lodge No. 5 |
| Charles Pinckney | South Carolina | no evidence of Masonic membership |
| Charles Cotesworth Pinckney | South Carolina | no evidence of Masonic membership |
| George Read | Delaware | doubtful if he was a Mason |
| John Rutledge | South Carolina | no evidence of Masonic membership |
| Roger Sherman | Connecticut | doubtful if he was a Mason |
| Richard Dobbs Spaight | North Carolina | no evidence of Masonic membership |
| George Washington | Virginia | Raised in the Lodge at Fredericksburg (now Fredericksburg Lodge No. 4), named but did not actively serve as Charter Master of Alexandria Lodge No. 22 in 1788-1789 |
| Hugh Williamson | North Carolina | no evidence of Masonic membership |
| James Wilson | Pennsylvania | no evidence of Masonic membership |
| SUMMARY | | 39 men signed the U.S. Constitution 13 (33%) were Freemasons |