Long before the digital age accelerated the spread of misinformation, the cobblestone streets of early Philadelphia served as a fertile ground for suspicion and secret agendas. During the late 18th century, the city was not only the political nerve center of a nascent United States but similarly a hub for a specific brand of anxiety: the fear that Philadelphia’s founding years were rife with conspiracy fears about ‘godless’ Freemasons and the Illuminati.
These anxieties were not merely idle gossip. They were woven into the fabric of the American Revolution and the early federal period, reflecting a deep-seated tension between the Enlightenment’s pursuit of reason and the traditional authority of organized religion. As the city hosted the Continental Congress and later served as the national capital from 1790 to 1800, the presence of secret societies among the ruling elite sparked a persistent fear that the “common good” was being traded for the private gain of a clandestine few.
The friction centered on the Freemasons—a fraternity of skilled stonemasons and influential civic leaders—and the more radical Illuminati, a movement born in Germany. While the former were often seen as a mark of sophistication and professional networking, their shielded rituals and private oaths created a vacuum of information that critics filled with accusations of heresy and political manipulation.
The Masonic Influence and the Charge of Rationalism
In the 1720s, Freemasons arrived in America bringing a reputation for high standards of workmanship and a commitment to reason. By the late 1740s, the fraternity in Philadelphia had evolved into a powerful network of merchants, shipowners and artisans. For these men, Masonry was a forum for intellectual exchange and professional advancement, providing a bridge between the city’s commercial interests and its colonial administration.
However, the fraternity’s adherence to rationalism—the belief that science and logic are the primary foundations of knowledge—place them at odds with those who viewed the world through a strictly supernatural lens. The Masonic approach of treating all religions with equal respect was seen by some as a dangerous indifference to “the one true God.” This theological rift was formalized in 1738 when Pope Clement XII banned Freemasons from the Catholic Church, a prohibition that remains in effect today.
The suspicion was amplified by the sheer number of Masons in the halls of power. During the 1787 Constitutional Convention in Philadelphia, as many as 25 of the 55 delegates were Freemasons. Benjamin Franklin remained a devout member for over 50 years, and presidents George Washington and James Monroe were also members. To critics, this wasn’t just a social club; it was a shadow government using secret bonds to elevate “brethren” into positions of authority regardless of merit.

The Illuminati and the Threat of a ‘One-World’ Government
While the Freemasons were an established presence, the Illuminati represented a more acute, existential threat in the eyes of religious leaders. Founded in Germany in 1776, the movement promoted secularism, logic, and the eradication of superstition. Unlike the Freemasons, who allowed for religious participation, the Illuminati explicitly rejected the influence of religion on society.
By 1790, most European nations had outlawed the group, but the myth of their survival persisted. The Illuminati were accused of infiltrating Masonic lodges to recruit followers, hoping to establish a global government led by reason rather than spiritualism. This perceived synergy between the two groups led to a panic that the U.S. Was being steered toward a “godless” or even “Satanic” future.
This fear reached the highest levels of government. In 1798, Reverend G.W. Snyder of Maryland wrote to President George Washington, warning him of the dangers outlined in John Robison’s book, Proofs of a Conspiracy. Snyder claimed the society planned to “overturn all Government and all Religion” and sought to “eradicate every Idea of a Supreme Being.”

Weaponizing Secrets: The Elections of 1796 and 1800
These conspiratorial fears were not confined to religious pamphlets; they became potent weapons in the vitriolic presidential elections of the turn of the century. The 1796 contest between John Adams and Thomas Jefferson saw both sides employ character assassination and clandestine rumors to sway the electorate.
Jefferson’s Republican Party accused Adams of harboring royalist ambitions, claiming he wished to be a king and was grooming his son, John Quincy Adams, for a dynasty. In return, the Federalist Party—and an anonymous writer using the pseudonym “Phocion” (suspected to be Alexander Hamilton)—targeted Jefferson. Phocion alleged that during Jefferson’s tenure as secretary of state in France, he had been corrupted by the Illuminati, leading him to abandon his faith.
The attacks on Jefferson were multi-pronged, blending political conspiracy with personal scandal. Phocion accused Jefferson of fathering children with Sally Hemings, an enslaved woman, and claimed that if elected, Jefferson would unilaterally free all enslaved people in America. While the Illuminati claims remained speculative, historians generally agree that Jefferson did father children with Hemings.
Adams won the 1796 election by a narrow margin of three electoral votes, but the tide shifted in 1800, when Jefferson defeated him, marking a pivotal transition in American political power.
From Political Power to Philanthropy
The influence of the Freemasons in American society has waned significantly since the founding era. Once a prerequisite for high-status networking among the “political brass,” the fraternity has transitioned into a primarily philanthropic organization. Today, Masonic lodges focus on community service, supporting children’s hospitals and homes for the aged.
Membership numbers reflect this decline. While the fraternity reached a peak of over 4 million members in 1959, estimates from 2020 place the current American membership at approximately 1 million. The “secret society” allure has largely been replaced by a commitment to charity.
For those visiting Philadelphia today, the echoes of these early conspiracies can still be found. A historical marker at 175 Front Street marks the site of the Tun Tavern, a frequent haunt for Franklin and Adams. Meanwhile, the Grand Lodge of Pennsylvania, built in 1873 and facing City Hall, remains a testament to the fraternity’s enduring, if quieter, presence in the city.

As the United States approaches its 250th anniversary on July 4, 2026, these historical narratives serve as a reminder that the mechanics of conspiracy—the use of secrecy, the targeting of “out-groups,” and the weaponization of fear—remain unchanged, even as the media used to spread them has evolved from handwritten letters to social media feeds.
We invite readers to share their thoughts on how these early American anxieties mirror today’s political climate in the comments below.
