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History

Mercy Otis Warren, the Founding Mother Who Opposed the Constitution

Remembering an important voice from the founding era.

Damon Root | 12.23.2025 7:00 AM

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12-18-25-v1-a | Illustration: Eddie Marshall | Nano Banana
(Illustration: Eddie Marshall | Nano Banana)

Among the many yellowing paperbacks on my shelves is a copy of The Anti-Federalist Papers and the Constitutional Convention Debates. It's a sort of greatest hits collection of contemporaneous arguments for and against the new U.S. Constitution, all written circa 1787–1788. It includes portions of James Madison's Notes from the Philadelphia Constitutional Convention, selections from various numbers of the Federalist Papers, and excerpts from the writings and speeches of leading anti-federalists, such as Patrick Henry, who denounced the Constitution for cloaking the president with "the powers of a King."

I picked up this trusty old book the other day, as I have been wont to do since I first acquired the already used copy back in college, yet I failed to find the name within its pages that I was looking for. The book's otherwise commendable editor, historian Ralph Ketcham, had failed to include anything written by Mercy Otis Warren (1728–1814), a playwright, poet, pamphleteer, and historian who championed American independence and later opposed the ratification of the Constitution. In the words of scholar Lester Cohen, Warren was "the most formidable female intellectual in eighteenth-century America."

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I went looking for this formidable figure because I recalled her 1788 pamphlet, "Observations on the New Constitution, and on the Federal and State Conventions," to be an especially venomous attack on the document, and I wanted to reread it as part of some broader research I'm doing.

I recalled correctly. First published in Boston under the pseudonym "a Columbian patriot"—and originally falsely attributed to the pen of male anti-federalist politician Elbridge Gerry—Warren's "Observations on the Constitution" took aim at "the fraudulent usurpation at Philadelphia" and only got harsher from there. Like Patrick Henry and other anti-federalists, she was deeply troubled by the "monarchical" powers she thought the Constitution would lodge in the new national government.

She was also horrified by the absence of "a bill of rights to guard against the dangerous encroachments of power in too many instances to be named." The proposed federal system offered "no security" for either "the rights of conscience, or the liberty of the press," she complained; she also pointed in dismay at "the insecurity in which we are left with regard to warrants unsupported by evidence."

Alert readers will no doubt recognize certain elements of the future First and Fourth Amendments in Warren's critique. The fact that such additional checks on government were soon added to the Constitution was due in no small part to the efforts of outspoken anti-federalists, Warren included.

Warren's pamphlet also raised a notable objection to Article III, which vested "the judicial Power of the United States" in "one supreme Court, and in such inferior Courts as Congress may from time to time ordain and establish." According to Warren's complaint, "there are no well defined limits of the judiciary powers, they seem to be left as a boundless ocean."

The framers and ratifiers of the Constitution, as I've previously noted, understood the phrase, "the judicial Power," to "include the authority of the federal courts to nullify those legislative and executive actions that violated the Constitution, which is the same power that we now call judicial review."

Warren's 1788 pamphlet may thus be added to the list of historical evidence showing what the founding generation thought about judicial review. She agreed that the Constitution empowered the federal courts, yet disagreed that such an empowerment was a good idea. "It would be an Herculean labour," she declared, "to attempt to describe the dangers with which [the powers of the judiciary] are replete."

To be clear, my own sympathies here lie with Madison and the other proponents of the Constitution. But I have always found the arguments of the anti-federalists to be worth a close examination. Indeed, to fully understand the text and history of the Constitution, you simply must study both sides of the ratification debate.

Mercy Otis Warren lost that debate. But her ideas still left a mark, and for that reason, she is worth remembering and rereading today.

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NEXT: The Haters Are Wrong. Netflix's Glut of Christmas Movies Is Good, Actually.

Damon Root is a senior editor at Reason and the author of A Glorious Liberty: Frederick Douglass and the Fight for an Antislavery Constitution (Potomac Books). His next book, Emancipation War: The Fall of Slavery and the Coming of the Thirteenth Amendment (Potomac Books), will be published in June 2026.

HistoryConstitutionFirst AmendmentFourth AmendmentCivil LibertiesLaw & GovernmentAmericansUnited States
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  1. Jimbo BTR   2 months ago

    If only the framers and ratifiers of the constitution had made judicial review a prerequisite for the passage of any legislation, it would have saved the country from a lot of the baggage with which it is currently saddled. Waiting until after its passage to determine whether legislation is unconstitutional closes the barn door after the horse has bolted. It takes a lot of time and effort to remedy the problem, if it is ever attempted at all, when it could have been avoided in the first place.

    1. Stupid Government Tricks   2 months ago

      Wouldn't make any difference. The courts discovered long ago that reinterpreting the Constitution is a faster and surer way of amending it than Article V.

  2. Don't look at me! ( Is the war over yet?)   2 months ago

    This is why you can’t have chicks in politics.

  3. Gaear Grimsrud   2 months ago

    Is this another reason why we can't have chicks in charge?

  4. GroundTruth   2 months ago

    Too bad that Warren's contemporary Massachusetts sisters aren't so cautious about leviathan governments.

    I wonder if my neighbors would all have been so thrilled to raise the cash for a statue of Warren had they been aware of more than just her support for the Revolution.

    https://en.wikipedia.org/wiki/Mercy_Otis_Warren#/media/File:Mercy_Otis_Warren_bronze_statue_at_Barnstable_County_Courthouse.jpg

  5. Flaco   2 months ago

    I read the Federalist and the Anti-Federalist papers (many years ago) and it is clear that the warnings of the anti-federalists have largely proven true.

    1. Its_Not_Inevitable   2 months ago

      Agreed. And just imagine where we'd be without the BOR.

    2. Jack Jordan   2 months ago

      Flaco, you and Damon Root are right that fears and concerns of the anti-federalists are highly relevant today. The truth is that they always will be and they always should be.

      Even as James Madison was explaining to people why they should ratify our Constitution, he emphasized in Federalist 47 that ratification was just the first step and our Constitution was only the foundation. Madison emphasized that we never can merely "trust to these parchment barriers against the encroaching spirit of power." Any "mere demarcation on parchment of the constitutional limits of the several departments [legislative, executive and judicial], is not a sufficient guard against those encroachments which lead to a tyrannical concentration of all the powers of government in the same hands." Already by 1787, "experience assures us, that the efficacy of [any paper] provision [restraining power] has been greatly overrated; and that some more adequate defense is indispensably necessary for the more feeble, against the more powerful, members of the government." The People always will need to continue to work to secure our own liberty and security. That's why, for example, the First Amendment expressly secures our freedom of expression, communication and association (to expose and oppose the misconduct of our purported public servants).

      So it's strange that Root would conclude that "Mercy Otis Warren lost that debate." Clearly, Mercy and the Anti-Federalists (and the People) won. They exercised rights secured by the First Amendment to oppose not "the Constitution" but only the original Constitution, which failed to expressly (better) secure the rights and powers of the People.

      Very significantly, in the process of ratification of our original Constitution, Mercy's home state of Massachusetts led the nation by promptly ratifying the original Constitution with the understanding (and for the purpose of ensuring) that amendments better securing our rights would follow promptly. That was called the Massachusetts Plan, and without it we likely would not have a Constitution or a nation.

      The Massachusetts Plan was followed by multiple states, and it was fulfilled by Madison and the First Congress and our first President (who promptly in 1789 proposed the amendments that became our Bill of Rights). The Massachusetts Plan was consummated when Virginia became the 11th state to ratify the first 10 amendments on December 15, 1791. Mercy won, and so did we.

  6. MollyGodiva   2 months ago

    They were right to oppose the Constitution. Their fears became real.

    1. Jack Jordan   2 months ago

      Molly, their fears didn't merely become real. They already were real long before "We the People" wrote and ratified our Constitution to "secure the Blessings of Liberty to ourselves. Their fears and concerns were the reason for the American Revolution, of which our Constitution and the Bill of Rights, were essential elements.

      James Madison (rightly lauded as the Father of the Constitution and the Father of the Bill of Rights) emphasized in Federalist 47 that our written Constitution and our constitution of government are "a reflection on human nature" inasmuch as they employ "devices" that are "necessary to control the abuses of government." All "government itself," is "but the greatest of all reflections on human nature."

      Madison emphasized the self-evident truth that "the preservation of liberty requires that" our Constitution prescribe how "power should be" divided and restrained. "The oracle who" was "always consulted and cited on this subject" from the 1760's through the 1780's was "the celebrated Montesquieu." Montesquieu in 1754 famously emphasized that "[t]here can be no liberty where the legislative and executive powers are united in the same person, or body of [people]," or, "if the power of judging be not separated from" both "the legislative and executive powers." So Madison (and many Americans) in the 1780's famously emphasized that "[t]he accumulation of all powers, legislative, executive, and judiciary, in the same hands, whether of one, a few, or many" is "the very definition of tyranny."

      No matter who wields power or how great their number, the sad truth is all power is amenable to abuse and it will be abused. That sad, self-evident truth was understood by the people who wrote or ratified our Constitution, the Bill of Rights, the Reconstruction Amendments, Amendments XIX, XXIV and XXVI.

      That truth is the reason Article VI expressly emphasizes that our Constitution established “the supreme Law of the Land” (i.e., the supreme law that governs all our public servants everywhere in the U.S.); it expressly emphasized that all “Judges in every State” are “bound” by “the supreme Law of the Land” (which was expressly limited to our “Constitution” as the paramount law and then federal “Laws” that were “made in Pursuance” of our Constitution and “all Treaties”); and it expressly emphasized that all legislators and “all executive and judicial Officers, both of the United States and of [all] States” are “bound” to “support [our] Constitution” in all official action.

      That truth is the reason that the People in Article II prescribed the oath of office of all presidents and the actual words of every president before each president starts any term of office expressly emphasize that the foremost and constant duty of every president in all official action is to “preserve, protect and defend [our] Constitution.” That truth is the reason that the People further emphasized that "executive Power" means, to a great extent, the duty to “take Care that” all federal “Laws be faithfully executed.”

      Our Constitution was carefully crafted to protect us from "tyranny" by prohibiting or preventing "[t]he accumulation of all powers, legislative, executive, and judiciary, in the same hands, whether of one, a few, or many" and by restraining the exercise of "all powers," regardless of whether they are "legislative, executive," or "judiciary."

      1. MollyGodiva   2 months ago

        "Our Constitution was carefully crafted to protect us from "tyranny" by prohibiting or preventing "[t]he accumulation of all powers, legislative, executive, and judiciary, in the same hands, whether of one, a few, or many" and by restraining the exercise of "all powers," regardless of whether they are "legislative, executive," or "judiciary.""

        The Constitution has failed to do this. The president has stolen too much power from Congress.

        1. Jack Jordan   2 months ago

          The Constitution hasn't failed us. We have failed it and ourselves.

          The President hasn't stolen any power. Saying he has only dangerously implies that the President has the power to do things that our Constitution says he has no power to do.

          Congress has no power to cede its powers to the President, and the President has no power to steal powers not given the President by the People in our Constitution. Either action (by Congress or the President) would be an unconstitutional usurpation of powers that the People denied them in our Constitution.

          The point of the rule of law is that the law rules. As Chief Justice Marshall and SCOTUS emphasized in Marbury v. Madison in 1803, "The government of the United States has been emphatically termed a government of laws, and not of men." Chief Justice Marshall and SCOTUS explained what they meant:

          "Certainly all those who have framed written constitutions contemplate them as forming the fundamental and paramount law of the nation, and consequently the theory [governing] every such government must be, that an act of the legislature [indeed, any act of any public servant], repugnant to the constitution, is void.

          This theory is essentially attached to a written constitution, and is consequently to be considered, by this court, as one of the fundamental principles of our society."

          Our Constitution (the literal text of Articles VI and VII) expressly established the supreme law of the land, with our Constitution as the paramount law governing all of us and all of our public servants. Article I emphasizes that We the People by our Constitution (the paramount law of the supreme law of the land) vested in Congress, alone, literally "All legislative Powers herein granted." Then, we expressly clarified and emphasized that we meant the power to "make all Laws" that are "necessary and proper for carrying into Execution" all the "Powers" of Congress "and all other Powers vested by this Constitution in the Government of the United States, or in any Department or Officer thereof." That expressly and necessarily encompasses the power to regulate all powers vested in the President (or the judiciary) by our Constitution.

          The primary point of our Constitution and of Marbury v. Madison is that neither Congress nor the President nor any judicial officer can possibly have any power to knowingly violate our Constitution. Our Constitution and Marbury v. Madison emphasized that even if they all act together for the same purpose (i.e., Congress enacting a law that violates our Constitution, the President executing such law and judges applying such law) they still have no power to violate our Constitution. That's the point of having a Constitution that is written, as Chief Justice Marshall and SCOTUS emphasized in Marbury v. Madison.

  7. Incunabulum   2 months ago

    So . . . we are *against* a constitution now?

    You guys gotta give me a heads up - the flip flopping is making my head hurt.

    1. Rossami   2 months ago

      No, they were just against that particuar constitution. And as the closing paragraph makes clear, they lost that debate - but the mere fact that there was a debate tells us important things about what the Founders who won the debate actually meant.

  8. MWAocdoc   2 months ago

    This is precisely the complaint I have been making about the disastrous failure of the Constitution over the centuries - the failure to explicitly require judicial review of all acts of Congress and authorities ceded to the executive branch (or expropriated by them). The failure to explicitly guard against the Constitution becoming a "living document" by specifying that no judicial interpretation or amendment would be allowed to spin the plain language and original intent of the Constitution to means something different, and to explicitly punish justices who violated the oath of office to support and defend it.

    1. Jack Jordan   2 months ago

      MWAocdoc, our Constitution does explicitly require judicial review, but it limits the power (jurisdiction) of courts. Court's cannot review legislation because it was merely enacted. Judges can review actions of all our public servants but only, essentially, with the advice and consent of litigants, lawyers and juries.

      As Article III emphasizes (including by using the words "shall" and "all"), "The judicial Power shall extend to all Cases, in Law and Equity, arising under this Constitution, the Laws of the United States, and Treaties made" and "to Controversies to which the United States shall be a Party."

      Our Constitution also clearly does permit and even require "explicitly punish[ing judges and] justices who violated the oath of office to support and defend it." Article II emphasizes that they "shall" (must) "be removed from Office on Impeachment for, and Conviction of" any "high Crimes" or high "Misdemeanors."

      Congress, in the Section 1 of the Sedition Act of 1798, identified some such "high misdemeanors." Analogous current federal law includes 18 U.S.C. 241, 242 and 371.

      Article III also emphasizes that all "Judges, both of the supreme and inferior Courts shall hold their Offices [only] during good Behaviour," Clearly our Constitution expressly emphasizes that they can be removed for behavior which is not good.

      As James Madison and Alexander Hamilton and the people who ratified our Constitution emphasized, “The tenure by which the judges are to hold their places, is, as it unquestionably ought to be, that of good behavior.” Federalist No. 39. Only federal “judges” who “behave properly, will be secured in their places for life.” Federalist No. 79.

      Article VI emphasizes and clarifies that good behavior necessarily means fulfilling their oaths "to support [our Constitution." Federal law enacted by Congress further establishes behavior that is not good, i.e., violating their oaths of office prescribed in 5 U.S.C. 3331 and 28 U.S.C. 453.

      Now, Congress needs to enact laws making impeachment and conviction of executive and judicial officers legal rather than purely political or performative processes. And Congress needs to enact laws providing for impeachment and conviction of judicial officers who violate their oaths of office, including, specifically when they purport or pretend to exercise the powers of their offices.

      1. MWAocdoc   2 months ago

        I appreciate that they may have thought that they had made all that explicit enough, but the wording of the Bill of Rights seems much more explicit to me and seems to have stood the test of time much better than the citations you gave quite eloquently above. Nothing can withstand the ignorance and lack of attention of The People against the depredations of power-hungry politicians.

  9. MWAocdoc   2 months ago

    As an aside, this great article caused me to take another look at my family tree, realizing that I had overlooked Mercy Otis Warren! I remedied this, adding that branch of the family forthwith and it turns out that she is my 4th cousin 8 times removed. Thanks, Damon!

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