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Masonic Membership of U.S. Constitution Signers

The number of signers of the U.S. Constitution who were Freemasons, with at least nine being documented and several more being plausible but disputed.

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Jan 11, 2026

Which signers of the U.S. Constitution were Freemasons and how certain are those attributions?

At least nine signers of the U.S. Constitution can be documented as Freemasons, but historians disagree about additional names because of gaps in lodge records, varying definitions of “Mason,” and lat...