The History of Trick or Treat: Where It Actually Came From and Why Almost Everything You Think You Know Is Wrong

Trick or treat is the most universally recognised Halloween custom in the English-speaking world, practised by hundreds of millions of children every October, and its history is almost entirely misunderstood. Popular accounts trace it variously to ancient Celtic harvest festivals, to Druidic practices of leaving food for spirits, to medieval Catholic traditions, or to straightforward American invention of the twentieth century. Each of these accounts contains a grain of truth. None of them is adequate on its own. The real history of trick or treat is a story of convergence: multiple distinct traditions from different periods and different cultures arriving in North America at roughly the same time, meeting each other in the specific social conditions of early twentieth century urban America, and producing through that collision something that resembled all of them while being identical to none of them.

Understanding where trick or treat actually came from requires separating four distinct threads that are almost always woven together in popular accounts and examining each one on its own terms before considering how they combined. Those threads are: the medieval Catholic practice of souling; the Scottish and Irish tradition of guising; the specifically North American practice of Halloween begging that developed in the late nineteenth and early twentieth centuries; and the confectionery industry’s mid-twentieth century campaign to associate its products with the custom. The sweets are the most recent element. The theological roots are the most ancient. Between them lies a history that spans eight centuries and two continents.

Souling: The Medieval Ancestor

The oldest direct ancestor of trick or treat is the medieval Christian practice of souling, documented across England, Wales, and parts of continental Europe from at least the fifteenth century and probably practised significantly earlier. Souling took place on All Souls’ Day, the 2nd of November, and its structure was a formal exchange with genuine theological content: poor people and children went from house to house offering to pray for the souls of the household’s dead in exchange for soul cakes, small spiced breads or biscuits baked specifically for the occasion.

The theological framework that made this exchange meaningful was the Catholic doctrine of purgatory. The dead who had not achieved full spiritual purity at the moment of death underwent a period of purification in purgatory before entering heaven, and the prayers of the living could reduce both the duration and the intensity of this purification. All Souls’ Day was the specific feast day dedicated to interceding for the souls in purgatory, and the souling custom gave the community’s poor a formal role in this intercession: their prayers were understood as genuinely efficacious, worth paying for with food, and the household that sent out soul cakes was purchasing spiritual services that would benefit their own dead.

This was not charity in the modern sense. It was a transaction with a specific spiritual economy behind it. The poor who went souling were not simply begging; they were offering a service that the wealthy could not provide for themselves, since the prayers of the poor were understood in the medieval theological framework as particularly powerful due to their proximity to suffering and therefore to God. The soul cake was payment for a genuine service, and the service was the reduction of suffering for the household’s dead.

Soul cakes were small, round, spiced biscuits or breads, typically marked with a cross to indicate their religious purpose and flavoured with nutmeg, cinnamon, ginger, and allspice. Recipes survive in English household books from the sixteenth century onward, giving the tradition a better documented material history than most folk food practices. The Shropshire tradition of soul caking is particularly well documented, and the custom survived in parts of England into the early twentieth century in forms that retained the house-to-house structure while losing most of the original theological content.

The soul cake tradition included songs sung by the soulers at each door — the song Soul Cake is the most widely preserved — and the performance of these songs was part of the exchange: the soulers offered both prayer and entertainment, and the household offered both food and the acknowledgment that their dead were being remembered. This performance element connects souling directly to the guising tradition that developed in parallel in Scotland and Ireland, since both involve a performance at the doorstep in exchange for hospitality.

Guising: The Scottish and Irish Tradition

Guising — from disguising — was the practice of dressing in costume and going from house to house at Halloween, performing a song, a poem, a joke, or a trick in exchange for food, money, or nuts. It was practised across Scotland and Ireland and was documented extensively by folklore collectors in the eighteenth and nineteenth centuries. Unlike souling, which was specifically associated with All Souls’ Day and had explicit theological content, guising was associated with Halloween itself and drew more directly on the pre-Christian Samhain tradition of disguise as protection against supernatural danger.

The disguise in the guising tradition served a specific protective function that goes beyond simple entertainment. At Samhain, when supernatural beings were understood to be moving through the human landscape with unusual freedom, wearing a disguise made it more difficult for those beings to identify specific humans. The costumes worn by guisers were typically dark, grotesque, or animal-like rather than the elaborate fantasy costumes of modern Halloween, reflecting their origin as protective camouflage rather than as theatrical performance.

The performance requirement is the most important structural difference between guising and modern trick or treat. In the guising tradition, the treat was not automatic. The guiser had to earn it through their performance, and a poor performance might result in no reward or even in being turned away. The host retained the right to judge the quality of the entertainment and to withhold the treat accordingly. This performance obligation gave guising a genuine social function beyond the collection of food: it tested and developed the social skills of the young people who participated, requiring them to perform publicly, to improvise, and to manage the social interaction of the doorstep encounter.

The specific content of guising performances varied by region and period. In Scotland it typically involved the recitation of a poem or the performance of a short comic piece. In Ireland it more often involved music, since the Irish guising tradition had closer connections to the professional musician’s practice of going house to house at seasonal celebrations. In both traditions the performance could include both serious and comic elements, and the skill of the performer was genuinely evaluated rather than simply acknowledged.

The foods given to guisers reflected the season and the specific customs of each household. Nuts, apples, and oatmeal bannocks were the most commonly documented, alongside coins and occasionally small sweets. The apple connection is significant because apple divination was one of the central Halloween customs in both Scotland and Ireland, and apples given to guisers could also be used in the divination games that followed the evening’s house-to-house tour. The connections between different Halloween customs were tighter in the original tradition than the modern compartmentalisation of Halloween activities suggests.

The American Development: From Guising to Trick or Treat

Irish and Scottish emigrants brought the Halloween and guising traditions to North America throughout the nineteenth century, with the largest wave arriving during and after the Great Famine of 1845 to 1852. These immigrants settled primarily in the urban centres of the eastern seaboard and the midwest — Boston, New York, Chicago, Philadelphia — and brought their seasonal customs with them, including the practice of going house to house in costume at Halloween.

In America the immigrant Halloween tradition encountered several specific social conditions that shaped its development. The most important was the specific character of American Halloween in the late nineteenth and early twentieth centuries, which was marked by a level of destructive mischief that represented a genuine social problem in American cities. Halloween in this period was associated with property damage, vandalism, and occasionally serious violence: windows were broken, fences were removed and relocated, livestock was set loose, outhouses were overturned, and in some cities fires were set. The mischief was understood as a Halloween tradition with its own logic — the inversion of normal social order that the liminal season permitted — but its scale and destructiveness made it a concern for civic authorities, schools, and community organisations.

The organised community response to Halloween mischief, developed primarily through schools and civic organisations in the 1920s and 1930s, involved redirecting children’s Halloween energy from destructive mischief toward organised activities. Costume parades, community parties, and the specific encouragement of house-to-house trick-or-treating were all promoted as alternatives to vandalism, and the provision of treats by householders was explicitly understood as a way of satisfying the children’s expectation of Halloween reward without the destructive consequences of mischief.

The phrase trick or treat appears in documented American sources from 1927 onward, in a Canadian newspaper account of Halloween activities in Blackie, Alberta. By the 1930s it was appearing in American newspapers in multiple states, suggesting rapid spread of both the phrase and the practice through the early years of that decade. The word trick in the phrase retained its original meaning as a genuine threat: if you do not provide a treat, we will play a trick on you. This was not simply a pleasantry. The tradition of Halloween mischief that the treat was intended to prevent was real and recent enough that the threat behind the trick was understood as genuine rather than theatrical.

By the late 1930s and into the 1940s trick or treating was becoming a widespread American custom, though the Second World War interrupted its development when sugar rationing made the provision of sweets difficult and the custom declined temporarily. The post-war return of sugar to the American consumer market coincided with the baby boom that produced the largest cohort of children in American history, and the combination of abundant sweets, enormous numbers of children, and the suburban housing developments that provided the dense residential environments ideal for house-to-house touring produced the rapid expansion of trick or treating in the late 1940s and 1950s that established it as the dominant Halloween custom.

The Confectionery Industry and the Invention of the Sweet Halloween

The transformation of trick or treat from a custom involving homemade baked goods, fruit, nuts, and coins into one almost exclusively involving commercially produced wrapped sweets was not a natural evolution. It was the result of a deliberate and successful marketing campaign by the American confectionery industry in the 1950s and 1960s, which recognised Halloween as an untapped commercial opportunity and invested significantly in associating their products with the custom.

Before the 1950s the treats given to trick or treaters were primarily homemade: popcorn balls, candied apples, cookies, fudge, and small cakes were all commonly distributed, alongside coins and small toys. These homemade treats were labour-intensive to produce and limited the scale at which individual households could participate in the custom, but they were understood as the appropriate form of Halloween treat and their homemade character was not considered a problem.

The confectionery industry’s argument was simple: individually wrapped commercial sweets were more convenient, more hygienic, more consistent, and easier to distribute in large quantities than homemade treats. Industry advertising in the 1950s promoted Halloween as a sweets-giving occasion, and trade associations representing candy manufacturers ran campaigns encouraging households to stock up on commercially produced sweets for Halloween distribution. The campaigns were successful: by the early 1960s commercially produced sweets had become the dominant Halloween treat in most American communities, and the homemade treat had declined significantly in popularity.

The scale of the commercial Halloween sweet market that resulted is extraordinary. Americans spend approximately three billion dollars on Halloween candy annually, making Halloween the largest single candy-selling occasion in the American commercial calendar, ahead of Christmas, Easter, and Valentine’s Day. The commercial success of the Halloween sweet market represents perhaps the most complete transformation of a folk custom into a commercial product in modern history: a practice that originated in medieval theology and Scottish folk tradition has become the primary driver of annual candy sales in the world’s largest economy.

The Safety Panic and the Sealed Wrapper

The final major development in the history of trick or treat was the safety panic of the 1970s and 1980s, which completed the transition from homemade to commercial treats and added a new layer of meaning to the sealed wrapper. Beginning in the early 1970s, stories circulated in American media about Halloween treats that had been tampered with by anonymous strangers: razor blades inserted into apples, poison added to homemade baked goods, foreign objects concealed in sweets. These stories generated significant public concern, were covered seriously by newspapers and local television news, and prompted responses from police departments, health authorities, and civic organisations across the country.

The actual evidence for deliberate Halloween treat tampering by strangers was almost non-existent. Sociologists and historians who investigated the claims found that virtually none of the reported cases involved genuine stranger-danger tampering: the incidents that could be verified typically involved children injuring themselves on objects that were already present in treats, family members who had tampered with treats for insurance fraud or other motives, or stories that could not be verified at all. The 1974 case of Timothy O’Bryan, a child who died after eating cyanide-laced Halloween candy in Houston, Texas, is the most widely cited genuine case, but investigation revealed that the child’s father had poisoned the candy himself to collect life insurance, making it a case of familial homicide rather than stranger-danger tampering.

Despite the absence of genuine evidence for the threat, the razor blade panic fundamentally changed Halloween treat culture. The sealed commercial wrapper became the standard of safety, since it was understood to be tamper-evident in a way that homemade treats were not. Hospitals offered to x-ray Halloween candy. Parents were advised to inspect their children’s treats and discard anything unwrapped or homemade. The implicit message was clear: treats from strangers were dangerous unless they came in a form that proved their origin in a regulated commercial process. The homemade treat effectively disappeared from mainstream American Halloween culture in the years following the panic, not because of any actual danger but because of a manufactured perception of danger that the commercial sweet industry was entirely happy to leave unchallenged.

The Global Spread

Trick or treating spread from North America to Britain and Ireland in the latter decades of the twentieth century, carried primarily by American cultural exports — films, television, and eventually the internet — rather than by any renewal of the folk tradition from which the custom had originally derived. The irony of trick or treating returning to Ireland and Scotland, where its guising ancestors had originated, as an American import is not lost on observers of the cultural history: a practice that left these countries as an immigrant folk tradition returned as a commercial product of the culture those immigrants had helped create.

The British and Irish reception of American Halloween and trick or treating has been genuinely mixed. Some communities welcomed the commercial holiday and adopted it enthusiastically. Others, particularly in Scotland, pointed out that Halloween had been celebrated continuously in Scottish communities since before anyone had heard of trick or treat and that the American version was a pale commercial shadow of the genuine tradition. The tension between the indigenous folk tradition and the American commercial import remains active in Halloween discourse in Britain and Ireland, and it is one of the more interesting examples of cultural exchange generating genuine complexity rather than simple replacement.

For more on the Halloween tradition, the Soul Cakes article covers the medieval practice of souling in greater depth, including the specific theology of purgatory that gave the custom its meaning. The Origins of Samhain article covers the Celtic festival at the root of Halloween and the tradition of disguise that guising drew on. The Witches and Halloween article covers the real history of the witch belief that shaped the Halloween costume tradition. The Halloween hub page has every article in the cluster.