Why can’t a Catholic belong to the Masons?

Q: I recently heard that the Catholic Church forbids Catholics from belonging to the Masons. I’m a lifelong Catholic who’s been a Mason for many years. Can you help me understand why I can’t be a Mason, and what I need to do?

This is a question that many Catholics have asked over the years, and it’s worth addressing, noting the sensitivity it often entails.

Let’s start with the bottomline: The Church forbids Catholics from belonging to the Freemasons and/or its related organizations. This is a prohibition, under penalty of automatic excommunication, which goes all the way back to 1738 and has been reaffirmed by the Vatican numerous times, most recently in 1983 and again in 2023.

Of course, many Catholics are puzzled by this prohibition. To many Catholics who are members of a Masonic lodge, the lodge is a positive part of their life in which they find fraternity with other men and engage in charitable works. They understandably wonder, What’s wrong with that? After all, the Church doesn’t forbid involvement in organizations like the Lions Club or the Rotary Club. Why are Masons singled out?

As always, there are clear and rational reasons for the Church’s teaching. In this case, the core issue is Freemasonry’s philosophical foundation. While many Masons and their lodges may not pay much attention to it, the fact is that Freemasonry has a set of teachings, and to be a Mason is an (at least implicit) endorsement of those teachings.

Now, it’s true that many organizations hold views that in some way differ with the truths God has revealed to us in and through his Church. And yet, the Church does not forbid involvement in those organizations the way she does with the Masons. Why?

Among other reasons, perhaps the most significant is this: the philosophical foundation of Freemasonry opposes Catholic doctrine at a fundamental level. For example, Masonic teachings promote a view of religion that says all faiths are equal paths to truth and that human reason alone reveals life’s purpose. This clashes with the reality that Jesus Christ is the Way, Truth and Life (cf. Jn 14:6) and that the Church is the means established by Jesus by which we encounter him and receive his teachings.

Another example: Masonic rituals frequently invoke a “Great Architect of the Universe,” a vague sense of God as distant and uninterested in human affairs who simply created the universe and then continued going about his other business. This is in profound contrast with the true and real God who is personal and Trinitarian. These teachings, though they may be rarely spoken on, nonetheless can subtly undermine the centrality of Christ’s redemptive work and the uniqueness of our faith in the minds and hearts of Masons.

Some might say, “Our lodge focuses on fellowship and service, not philosophy, ritual or religion.” That’s understandable, and many Masons share that view. Again though, to belong to an organization is an implicit agreement with and endorsement of its principles. And those principles, even if ignored, define it and therefore can shape members over time.

Imagine a fictional group dedicated to charity but founded on the belief that wealth is life’s highest good—a view we would reject given Jesus’ call that we are to store up treasures in heaven (Mt 6:20). Members might focus on fundraisers and charitable works, dismissing the materialistic principles of the group, but their affiliation still ties them to that overemphasis on wealth. Over time, a member’s child might prioritize luxury over generosity, reflecting that latent influence. Likewise, Masonic membership links a Catholic to a system that dilutes our faith’s distinctiveness, however subtly.

That, then, is the reason the Church forbids Catholics from belonging to Freemasonry. In light of that, what should a Catholic Mason do? The Church calls Catholics to resign from their lodges as an invitation to fully embrace Jesus. They are called to seek out the Sacrament of Reconciliation and to confess their membership. A visit with a parish priest would be an easy way to talk through how to do all that is needed.

To be sure, this can feel like a loss for many, but remember: The real goods the lodge affords—service, leadership, connection, etc.—can be found and nurtured elsewhere. Catholic groups like the Knights of Columbus, rooted in faith and charity, or parish ministries offer vibrant outlets for those strengths, as can other secular organizations like the ones mentioned above. For friends or family supporting a Catholic involved in the Masons, your encouragement can be so important—sharing this teaching with kindness and walking alongside them.

The Church’s position reflects its love, guiding us ever closer to Jesus Christ, who is our true foundation. For Catholics in Freemasonry, or those who know them, this is a moment to turn more fully to God and bear witness to the beauty of our faith in him.