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What Is Spiritualism?

Spiritualism is the belief system — and in some forms, organized religion — centered on the claim that the spirits of the dead continue to exist and can communicate with the living, typically through individuals called mediums. Originating in the United States in the late 1840s, Spiritualism grew into a mass movement that at its peak attracted millions of followers in North America and Europe.

Whether you view it as genuine contact with an afterlife or as a case study in human psychology and wishful thinking, Spiritualism’s influence on religion, science, culture, and the study of consciousness has been enormous.

The Hydesville Rappings: Where It Started

On March 31, 1848, in a small wooden house in Hydesville, New York, two young sisters — Kate Fox (age 11) and Margaret Fox (age 14) — claimed to hear mysterious rapping sounds. They developed a system of communication with whatever was making the noise: one rap for yes, two for no. Through this method, the entity reportedly identified itself as the spirit of a peddler named Charles Rosna, who claimed to have been murdered and buried in the cellar.

The story exploded. Neighbors came to witness the rappings. The local press picked it up. Within weeks, the Fox sisters were famous. Within months, they were performing demonstrations for paying audiences in Rochester and New York City. Within a few years, hundreds of other mediums had emerged across America, claiming their own abilities to contact the dead.

Was it real? The house’s cellar was excavated and human bone fragments were found — though skeptics note that the provenance was never conclusively established. Far more damaging was Margaret Fox’s public confession in 1888 that the sounds had been produced by cracking her toe joints. She demonstrated the technique to a packed audience at the New York Academy of Music.

But here’s the thing: by 1888, the movement Margaret helped start had taken on a life of its own. Millions of people had had their own experiences with mediums. Churches had been founded. Books had been written. A confession from the founders, however credible, wasn’t enough to undo 40 years of belief. Margaret herself later recanted the confession — she was destitute and may have been paid to confess by critics of Spiritualism.

Why It Spread So Fast

Spiritualism didn’t emerge in a vacuum. It arrived at exactly the right moment in American and European cultural history.

The Death Problem

The mid-19th century was a time of staggering mortality. Childhood death was common — a quarter of children died before age five. The Civil War (1861-1865) killed an estimated 620,000 to 750,000 Americans, leaving hundreds of thousands of families in grief. The tuberculosis epidemic was relentless. Death was everywhere, and the comfort offered by mainstream religion — “they’re in a better place” — wasn’t satisfying everyone.

Spiritualism offered something more concrete: the claim that you could actually talk to your dead loved ones. That they were fine. That death wasn’t an ending but a transition. With widespread bereavement, this was an extraordinarily powerful proposition.

The Scientific Moment

The 1840s-1890s were also a period of astonishing scientific discovery. The telegraph (1844) proved that invisible signals could travel through wires. Electricity and magnetism were being unified. The idea that invisible forces could transmit information was no longer supernatural — it was front-page news.

Spiritualists explicitly drew parallels between telegraphy and mediumship. If electricity could carry messages along wires, why couldn’t some analogous force carry messages from the spirit world? The analogy was wrong, but it was persuasive in an era when the boundaries of physics seemed to be expanding weekly.

The Religious Context

Traditional Protestantism in America was fracturing. Calvinist theology — with its emphasis on predestination and the inscrutability of God’s will — offered cold comfort to the bereaved. Spiritualism bypassed theology entirely. It didn’t require faith in doctrines; it claimed to provide evidence. You could sit in a seance and hear from your dead mother yourself. No priest needed.

This empirical approach to the afterlife appealed especially to people who were uncomfortable with both orthodox religion (too dogmatic) and pure materialism (too bleak). Spiritualism offered a third path: an afterlife you could investigate scientifically.

The Seance: How It Worked

The central ritual of Spiritualism was the seance — a gathering where a medium attempted to establish contact with spirits, usually in a darkened room.

Physical Mediumship

Early Spiritualism emphasized physical phenomena — effects that any observer could witness. These included:

Table tipping — the seance table rocking, lifting, or sliding across the floor, allegedly moved by spirit force. Participants placed their hands on the table and waited.

Rapping — knocking sounds, like the Fox sisters’ original phenomena, used to spell out messages.

Spirit writing — messages appearing on sealed slates or being written through the medium’s hand (automatic writing).

Materializations — the supposed appearance of spirit forms, often emerging from a gauzy substance called “ectoplasm” that allegedly exuded from the medium’s body.

Levitation — the medium or objects reportedly floating off the ground. Daniel Dunglas Home, the most famous physical medium of the 19th century, was said to have levitated out a third-floor window and back in through another window in 1868.

Fraud was rampant. Many physical mediums were exposed using techniques ranging from hidden accomplices to mechanical devices to simple darkness (most phenomena required darkened rooms, which conveniently prevented observation). The magician Harry Houdini spent the last years of his life investigating and debunking fraudulent mediums, often attending seances in disguise.

Mental Mediumship

As physical mediumship became increasingly discredited by exposures of fraud, the movement shifted toward mental mediumship — where the medium reported receiving information from spirits through mental impressions rather than producing physical phenomena.

This was much harder to debunk because the evidence was verbal rather than physical. A medium who says, “Your grandmother is showing me a red door — does that mean something to you?” is making a claim that can’t be tested the same way as a levitating table.

Mental mediumship techniques overlap significantly with what psychologists call cold reading — a set of techniques for extracting information from a subject while appearing to already know it. These include making general statements that apply to most people (“I’m sensing someone who passed with a heart or chest condition”), watching the subject’s reactions and adjusting accordingly, and using Barnum statements (descriptions so vague that almost anyone identifies with them).

Hot reading is even simpler: obtaining information about the client in advance, through research or informants, and presenting it as spirit communication.

The Scientific Investigation of Spiritualism

What makes Spiritualism historically fascinating is that serious scientists took it seriously — at least enough to investigate.

The Society for Psychical Research

Founded in London in 1882, the Society for Psychical Research (SPR) was the first systematic attempt to investigate claims of spirit communication, telepathy, and related phenomena using scientific methods. Its founding members included Cambridge philosopher Henry Sidgwick, physicist William Barrett, and classicist Frederic Myers.

The SPR investigated dozens of mediums over decades. Their findings were mixed — some mediums were clearly fraudulent, while others produced information that investigators couldn’t easily explain. The most studied case was Leonora Piper, a Boston medium investigated by William James (the Harvard psychologist and philosopher) and Richard Hodgson of the SPR. Over years of testing, Piper produced specific information about deceased persons that her investigators could not explain through normal means. James wrote that while he couldn’t prove the spirit hypothesis, Piper’s case made it impossible for him to dismiss it entirely.

Skeptics countered that even careful investigators could be deceived, and that the emotional investment of bereaved sitters made them unreliable judges of evidence. The debate continues, essentially unchanged, to the present day.

William Crookes and the Problem of Eminent Witnesses

William Crookes, a distinguished British chemist and physicist (discoverer of thallium, pioneer of vacuum tube research), investigated the medium Daniel Dunglas Home in the 1870s and declared the phenomena genuine. This created a dilemma that has recurred throughout Spiritualism’s history: when a credible scientist vouches for a medium, how do you weigh their testimony?

The scientific establishment generally responded by questioning Crookes’ judgment rather than his honesty — suggesting he was emotionally susceptible or that the conditions of his investigations were insufficiently controlled. This response frustrated Spiritualists, who felt that no evidence would ever be accepted.

Core Beliefs

Spiritualism, as an organized movement, eventually codified its beliefs. The National Spiritualist Association of Churches (NSAC), founded in 1893, adopted a “Declaration of Principles” that includes:

1. Infinite Intelligence — a concept of God as an impersonal creative force rather than a personal deity
2. Natural law — the belief that phenomena attributed to spirits operate through natural laws, not supernatural intervention
3. Continuity of life — the soul survives bodily death and retains its personality and individuality
4. Communication — the living can communicate with those who have transitioned
5. Personal responsibility — each person is responsible for their own moral and spiritual development
6. Eternal progress — every soul has the potential for continued growth and improvement

Notably absent: concepts of hell, eternal damnation, or original sin. Spiritualism is fundamentally optimistic about the afterlife — spirits in the “spirit world” continue to learn and grow. This was a major source of its appeal compared to the fire-and-brimstone theology common in 19th-century Protestantism.

Spiritualism and Social Reform

One of the most surprising aspects of Spiritualism was its strong connection to progressive social movements.

Women’s Rights

From its earliest days, Spiritualism was unusually egalitarian about gender. Mediumship was predominantly a female role, which gave women public platforms, audiences, and income at a time when they had few other avenues for public life. Many prominent suffragists — including Victoria Woodhull (the first woman to run for US president, in 1872), Elizabeth Cady Stanton, and Sojourner Truth — were involved with Spiritualism.

The logic was straightforward: if spirits communicated through women, then women clearly had abilities and spiritual authority that patriarchal religion denied them. Spiritualist churches ordained women as ministers decades before mainstream denominations.

Abolition

Many Spiritualists were active abolitionists. The movement’s emphasis on universal spirit — the idea that all souls were equal regardless of race — aligned naturally with anti-slavery views. Spiritualist communities were among the earliest racially integrated religious gatherings in America.

Health Reform

Spiritualists often advocated for alternative health practices — hydropathy, dietary reform, temperance, and opposition to conventional medicine’s more brutal practices (like mercury treatments and bloodletting). While some of these positions seem quaint now, opposing mercury as medicine was actually ahead of the science.

Decline and Legacy

Spiritualism as a mass movement peaked around 1870-1920. Several factors drove its decline:

Fraud exposure — the repeated unmasking of prominent mediums eroded public trust. The Fox sisters’ confession, while not universally accepted, was symbolically devastating.

Houdini’s campaign — Harry Houdini’s aggressive debunking efforts in the 1920s, widely publicized in newspapers and his own books, made Spiritualism look foolish to many observers.

The rise of psychology — as psychology became a scientific discipline, many phenomena attributed to spirits were reinterpreted as products of the unconscious mind. Automatic writing became “dissociation.” Trance mediumship became “altered states of consciousness.” The spirits were explained away without the spirits.

World War I — the massive death toll (roughly 17 million) briefly revived interest in Spiritualism (Arthur Conan Doyle, creator of the hyper-rational Sherlock Holmes, was a devoted Spiritualist partly due to wartime bereavement). But the revival was temporary.

What Remains

Spiritualism never disappeared. The NSAC continues to operate churches across the United States. Spiritualist churches in the UK number in the hundreds. In Brazil, Spiritism — a related tradition founded by Allan Kardec in France in the 1850s, which adds reincarnation to the basic Spiritualist framework — has tens of millions of adherents and significant cultural influence.

The broader cultural legacy is harder to measure but arguably more significant. Spiritualism helped normalize the idea that the afterlife could be investigated empirically rather than accepted on faith. It helped push the scientific study of consciousness and unusual mental states. It gave women public platforms before they had the vote. And it raised questions about the relationship between mind, brain, and identity that neuroscience and philosophy still grapple with today.

Whether the spirits were real or not — and the overwhelming weight of scientific evidence says they weren’t — the humans who believed in them changed the world in ways that were entirely real.

Frequently Asked Questions

Is Spiritualism a religion?

It depends on who you ask. Some Spiritualist organizations, like the National Spiritualist Association of Churches (NSAC), function explicitly as religious bodies with ordained ministers, church services, and a declaration of principles. Others treat Spiritualism as a philosophy or personal practice compatible with other religious traditions. In the UK, Spiritualism has been recognized as a religion since at least the mid-20th century.

What is a medium?

In Spiritualist practice, a medium is a person claimed to have the ability to communicate with the spirits of deceased individuals. Mediums may report receiving messages through various means — hearing voices (clairaudience), seeing images (clairvoyance), feeling sensations (clairsentience), or entering trance states where a spirit allegedly speaks through them.

Has anyone ever scientifically proven communication with the dead?

No. Despite over 170 years of investigation, no controlled scientific experiment has produced repeatable evidence of spirit communication. Many prominent scientists — including William Crookes, Oliver Lodge, and more recently Gary Schwartz — have claimed positive results, but their studies have been criticized for methodological flaws. The scientific consensus is that alleged mediumistic phenomena can be explained by cold reading, hot reading, and other psychological techniques.

What was the Fox Sisters scandal?

The Fox Sisters — Kate and Margaret Fox — are credited with sparking the Spiritualist movement in 1848 when they reported mysterious rapping sounds in their Hydesville, New York, home. In 1888, Margaret publicly confessed that the sounds were produced by cracking her toe joints, though she later recanted the confession. The confession damaged but did not destroy the movement, which had millions of adherents by that time.

Is Spiritualism still practiced today?

Yes. The NSAC operates dozens of churches in the United States. Spiritualist churches are numerous in the UK, Brazil (where Spiritism, a related tradition founded by Allan Kardec, has tens of millions of followers), and other countries. Psychic mediums also maintain a significant cultural presence through television shows, books, and private consultations.

Further Reading

• Smithsonian Magazine: The History of Spiritualism
• Library of Congress: American Spiritualism
• Stanford Encyclopedia of Philosophy: Miracles
• BBC: Spiritualism Religion Overview