Jack-in-Irons: Jack-in-Irons is a fearsome mythical giant from Yorkshire folklore.

Jack-in-Irons - Serves as a grim warning about the dangers lurking on remote roads.

Jack-in-Irons

Jack-in-Irons - Serves as a grim warning about the dangers lurking on remote roads.

Jack-in-Irons is a fearsome mythical giant from Yorkshire folklore. He is known for his chain-covered body, pig-like head with curling tusks, and for wearing the heads of his victims. Bearing a large spiked club, he haunts lonely roads, embodying the dark dangers of the countryside.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

Interestingly, the name 'Jack' functions as a generic term for an unknown male, adding an everyman aspect to his otherwise monstrous identity.

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Quick Creature Info

Our Mythic Legendary Rating:

Mystical Awakening
Mystical Awakening rating

Also Sometimes Known As:

Uther Squarefoot

Habitat:

LandYorkshireOften found roaming remote roads in the Yorkshire countryside.Lonely roads and rural outskirtsYorkshire, England

Supernatural Powers:

Super strengthGiant sizeIntimidating presence

Physical Attributes:

Chain-covered bodyWears the heads of his victimsPig-like headCurling tusksLarge spiked clubRugged, intimidating appearance

Abilities:

Haunts lonely roadsAdorns himself with trophies (victims' heads)Immense physical powerFormidable combat skills

Behavior:

AggressiveHaunts lonely roads and instils fear through his brutal actions

Lore:

Antagonistic monster and cautionary figureYorkshire folkloreServes as a grim warning about the dangers lurking on remote roads

Related Creatures, Tales or Lore

  • G
    Gogmagog
  • J
    Jack the Giant Killer
  • F
    Fomorian Giants

References

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Mythical Disclaimer: The images and data on this site are derived from various historical and literary sources, but we have found that many myths often have multiple versions and interpretations across references, sometimes contradictory. As a result, these creature depictions are artistic interpretations—imaginative blends of folklore, legend, and a dash of AI guesswork. Because creature descriptions vary widely, our illustrations and accompanying information represent our best effort to honor mythology while bridging creative gaps. Enjoy these interpretations—just remember, we've done our best to respect the stories and validate available data, but in the realm of mythology, details often shift, imagination leads the way, and nothing is ever set in stone!

Curated by the Mythological Creatures Team (rev. May 2025)