There is no single story of how Ganesha came by the elephant's head. There are at least five, they contradict each other on every material point — who made him, who beheaded him, whether it was deliberate, whether an elephant was even involved — and Hindus have been reciting all of them, in different regions and different sectarian traditions, for well over a thousand years without any felt need to choose.
Setting them side by side is not an exercise in catching scripture out. It is how the material is actually transmitted, and the differences carry the meaning.
Version one: the doorkeeper
This is the best-known account, and its fullest form is in the Shiva Purana.
Parvati wanted to bathe undisturbed. She was in her own house and had no attendant she could trust to keep the door — the attendants belonged to her husband. So she took the turmeric-and-oil paste she had rubbed from her own body, shaped a boy from it, breathed life into him, and gave him one instruction: nobody comes in.
Shiva came home and was stopped at his own door by a child he had never seen.
What happens next escalates by stages, and the escalation matters. The boy refuses. Shiva's attendant hosts are sent in and are beaten. The great gods come — and the son of Parvati holds the doorway against all of them. Only when he is distracted from the front does the trident take his head off.
Parvati came out and saw it.
Her response in this telling is not grief but a threat to the structure of things: she began producing terrible female powers out of herself and the destruction of the worlds became an immediate practical possibility. The gods sued for terms, and the terms were two — bring my son back, and give him a status that guarantees this cannot be repeated.
Shiva's attendants were sent north with an instruction whose oddness is never explained: bring back the head of the first living creature you find sleeping with its head towards the north. They found an elephant. The head was fitted, the boy woke, and he was made lord of the hosts and given the standing everyone knows him by — that no rite, no journey, no undertaking, no other deity's worship begins until his has.
Version two: the god who would not look
The Brahma Vaivarta Purana tells it completely differently, and in this version Shiva does not kill anybody.
Parvati wanted a son and performed a long vow to get one, and the child was born perfect and whole. The gods came to the celebration to see him.
Shani — Saturn — came with the others and stood with his eyes down and would not look at the baby. Pressed, he explained: his gaze was ruinous, and had been since his wife cursed him, and he had spent his existence keeping it off things he cared about.
Parvati insisted. She was a mother at a naming feast and she wanted her son admired, and she did not believe it, or she believed her son was beyond it.
He looked, from the corner of his left eye, and the child's head came off and went out of the world entirely.
Vishnu mounted Garuda and flew north until he found an elephant asleep by a river with its head to the north, took the head, and brought it back.
The difference between this and the doorkeeper story is not decorative. Here there is no defiance, no confrontation, no fault on the child's part, and the tragedy is caused by a mother's love overriding a warning. Shani is not a villain; he is a god who does exactly what he warns he will do. The story is told in the Brahma Vaivarta as an account of why Ganesha is invoked against obstacles, and it remains one of the standard explanations of Saturn's difficult reputation in astrological practice.
Version three: cursed for being too beautiful
Several Puranas, including the Varaha, get rid of the beheading altogether.
In these, Shiva produces the child directly — out of his own radiance, or his own laughter, or by contemplation — and the boy is so extraordinarily beautiful that Parvati is disconcerted by him. She curses him to have an elephant's head and a swollen belly.
There is no severed head in this account, no grieving mother, no revived corpse. The elephant head is a curse laid by the goddess rather than a repair sanctioned by her, and Ganesha's famous form is a disfigurement in origin.
Version four: the elephant demon
A further strand, appearing in Skanda Purana material and elsewhere, connects the head to a demon in elephant form killed by Shiva. The demon, dying well, asks to be remembered rather than forgotten, and the request is granted by his head being given to the god's son.
This is the version that makes the elephant head a trophy with a debt attached, and it is the one most often told where local traditions have an elephant-demon of their own to accommodate.
Why the versions differ
The disagreement is not textual carelessness. It reflects something historical about Ganesha.
He is a comparatively late arrival in the classical pantheon. He is not in the Vedas as himself — and the well-known verse beginning gaṇānāṃ tvā that opens so much Ganesha worship today is, in its Vedic context, addressed to Brihaspati, a fact that is standard in scholarship and does not trouble its liturgical use in the slightest. Unambiguous images and references to Ganesha as we know him appear from around the fourth and fifth centuries CE, and by the Gupta period he is firmly established, listed in the standard Sanskrit lexicon and carved everywhere.
Historians of religion have proposed several routes by which he arrived: from the Vinayakas, a group of malevolent spirits named in earlier ritual manuals as causes of obstruction who had to be propitiated before anything could proceed; from the absorption of clan or regional elephant cults; from the transfer of epithets attached to earlier Vedic figures. None is proved. What all of them explain is why he needed an origin story at all — a deity who becomes central without having always been there acquires narratives to account for himself, and different traditions supply different ones.
That is also why the stories are so preoccupied with status. Almost every version ends with the same thing: the boy is granted precedence, and no worship anywhere begins without him. The narratives differ about his birth and agree about his rank.
Twentieth-century Western psychoanalytic readings of the beheading — as a symbolic castration by the father — have circulated in academic Indology and have been strenuously rejected by many Hindus, as bad method and as offensive to a living devotional relationship. That dispute is part of the recent history of the material and is worth knowing about; the readings themselves are not the tradition's own and are not presented here as an explanation of it.
The tusk, which is a separate argument
Ganesha's broken right tusk has its own set of incompatible explanations, and they are not connected to the head.
He broke it himself to use as a pen when he agreed to write down the Mahabharata to Vyasa's dictation, on condition that the sage never pause — and when the reed gave out he would not stop, so he snapped off the tusk and kept writing.
Or Parashurama, coming to see Shiva and refused entry by the son as Shiva had once been refused by him, threw the axe he had been given by Shiva himself, and Ganesha would not dishonour his father's weapon by dodging it.
Or he threw the tusk at the moon for laughing at him, which is why looking at the moon on his festival day is inadvisable.
Devotees generally know several of these. Being asked to pick one is an outsider's question.
Living practice
None of this is antiquarian. Ganesha is among the most widely worshipped deities in India today, across sectarian lines, and the head is not a curiosity but the reason for the relationship: a god who is approachable, domestic, present at doorways and on dashboards and above shop tills, invoked before examinations and journeys and weddings and the opening of businesses.
Ganesh Chaturthi is the great annual festival, and its modern public form dates to the 1890s, when Bal Gangadhar Tilak encouraged large communal celebrations in Maharashtra as a way of assembling people at a time when political gatherings were restricted. Household observance is far older; the enormous street pandals, the multi-day processions and the immersion of clay images in the sea at the end are what that late-nineteenth-century push produced. The immersion has since become an environmental issue of real scale, and the shift back to unfired clay and natural pigments is a live argument within the tradition rather than one imposed on it.
He travelled, too. Ganesha images are found across Southeast Asia — Java, Cambodia, Thailand — and he entered Japanese Buddhism as a dual-bodied esoteric deity, in a form that would be barely recognisable to a worshipper in Pune.
Questions people bring to this
Which version is the oldest? Not answerable with confidence. The Puranas were compiled and recompiled over centuries and their datable layers do not line up neatly with their narratives. The doorkeeper story is the most widely told today; that is a fact about circulation, not about age.
Why must the head come from the north? The instruction is given without explanation in the texts that contain it. North is the auspicious direction in much of Indian ritual practice, and sleeping with the head to the north is elsewhere considered inadvisable — so the creature found in that position may be marked as already anomalous. This is inference; the texts do not say.
Is the elephant head about anything? In devotional understanding, yes, and the readings are given openly: the large ears for listening, the small eyes for concentration, the trunk for adaptability, the large head for wisdom, the single tusk for holding to one thing and discarding the other. These are taught interpretations rather than narrative explanations, and they postdate the stories.
Who is his brother, and who is older? Kartikeya — and the answer to the second question depends on where you are. North Indian tradition generally makes Ganesha the younger; South Indian tradition, where Kartikeya is Murugan and enormously important, generally reverses it. Both are held sincerely and neither is negotiating.
Does his mother make him alone? In the doorkeeper version, yes, and it is the point: he is Parvati's, made from her body without her husband's participation, which is why the confrontation at the door is a confrontation about a household and not merely about a rule.
Continue with Ganesha, Parvati, Shiva, Kartikeya and Vishnu; the goddess assembled from every god's power at Durga and the buffalo demon; and the Hindu tradition hub.