Celebration of the Dead
Samhain night was also a celebration of the dead—the one time the spirits were believed to walk among the living.
Again, the earliest rituals aren't known in detail, but in recent centuries families put out food and even set extra table places for their ancestors at Samhain.
It was also a night when people dressed to create mischief and confusion, according to Bettina Arnold of the Center for Celtic Studies at the University of Wisconsin-Milwaukee.
"The spirits of the dead were impersonated by young men dressed with masked, veiled or blackened faces, dressed in white or disguises of straw," Arnold wrote in an essay titled "Halloween Customs in the Celtic World."
These disguises were intended both to protect revelers from any malevolent spirits and to fool households they visited.
In Scotland and elsewhere, revelers masquerading as the dead would go around demanding food offerings—a forerunner to today's trick-or-treating.
Nilsen of St. Francis Xavier University added: "People put on costumes which frequently included blackened faces and so on, representing spooks, demons, or whatever."
Cross-Dressing and Horse-Heading
According to the University of Wisconsin's Arnold, on Samhain the boundary between the living and the dead was obliterated—as was the boundary between the sexes. Male youths would dress up as girls and vice versa, she wrote.
In Wales, for example, groups of mischievous young men in Halloween drag were referred to as hags.
In parts of Ireland, a man dressed as a white horse known as Lair Bhan—an ancient Celtic fertility symbol—led noisy processions at Samhain.
Author Katharine Clark wrote in An Irish Book of Shadows that Lair Bhan was represented using white sheets and a wooden head.
"Some heads could be quite elaborate, complete with snapping jaws controlled by the man upon whose shoulders the entire structure rested," Clark wrote.
Many Samhain ensembles were incomplete without the appropriate accessories: lanterns made with hollowed-out turnips and candles.
Later transplanted to North America with Irish immigrants, the tradition would be replicated in the fatter form of the pumpkin, a fruit native to the New World.
(Related: "Giant Pumpkins 'Go Heavy' This Halloween" [October 27, 2005].)
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