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The Celtic Gods and Goddesses: Irish, Welsh and Gaulish Powers

The Celtic gods are not one pantheon but several regional ones: the Irish Tuatha De Danann, including the Dagda, the Morrigan, Brigid, Lugh and Danu; the Welsh figures of the Mabinogi such as Rhiannon, Arawn and Cerridwen; and the Gaulish and British deities known largely from Roman-era inscriptions. They survive through medieval Irish and Welsh manuscripts, folklore and archaeology rather than through any single scripture. This pillar covers each deity with its sources, domain and the courses, grimoires and articles that study it.

This pillar collects the principal Celtic deities across Irish, Welsh and Gaulish sources, with the articles, courses and grimoires that treat each one.

Key facts about Celtic Deities

Not one pantheon
Irish, Welsh, Gaulish and British traditions, regionally distinct
Irish divine family
Tuatha De Danann, the people of the goddess Danu
Primary sources
Lebor Gabala Erenn, the Ulster and Mythological Cycles, the Mabinogi, Roman-era inscriptions
Festival cycle
Samhain, Imbolc, Beltane, Lughnasadh
Study material here
Study article and course or grimoire per deity

There is no single Celtic pantheon

The first thing a serious student must accept is that Celtic mythology is a family of related regional traditions rather than one organised system. The Irish material is by far the richest, preserved in medieval manuscripts that recount the Tuatha De Danann, the people of the goddess Danu. The Welsh material survives chiefly in the Four Branches of the Mabinogi, whose figures — Rhiannon, Pwyll, Arawn, Bran, Cerridwen — are euhemerised into kings and enchanters but carry unmistakably divine features. The continental Gaulish and British deities are known almost entirely from Roman-era altars and inscriptions, often paired with a Roman name, and rarely with any surviving story. Attempts to merge these into one tidy pantheon, common in popular writing, flatten genuine differences of language, region and century. The Academy teaches them as related but distinct.

The Tuatha De Danann

The Irish divine family is the best-documented Celtic pantheon. The Dagda is the good god, the all-competent father with his club, cauldron and harp of the seasons. The Morrigan is sovereignty, prophecy, battle and the shaping of outcome, appearing as a trio of aspects. Brigid governs poetry, smithcraft and healing, and is the deity whose cult most visibly continues into Christian Ireland. Lugh, the many-skilled, master of every art, wins the second battle of Mag Tuired. Around them stand Nuada of the silver arm, Dian Cecht the physician, Goibniu the smith, Manannan mac Lir of the sea, Aengus of youthful love, Boann of the river, Ogma of eloquence and Danu herself, ancestral and barely narrated. The Lebor Gabala Erenn frames them as an invading people who withdraw into the sidhe mounds after defeat — a Christian scribal compromise that preserved the gods as the Otherworldly Fair Folk.

Reading the sources honestly

Every surviving Celtic text was written by Christian scribes, mostly monks, centuries after the practices they describe. The Irish manuscripts date from the eleventh century onward and preserve older oral material inside a biblical framework of migrations and genealogies. The Welsh Mabinogi reaches us from the fourteenth century. Gaulish evidence is largely epigraphic and mediated through the Roman interpretatio, which mapped local gods onto Roman ones and can obscure as much as it records. Classical authors, notably Caesar, wrote about the Celts as adversaries. None of this makes the material unusable, but it does demand method: identify which tradition and which century a claim comes from, distinguish medieval narrative from archaeological attestation, and be candid about the wide areas where the honest answer is that we do not know.

The festival cycle and the land

Celtic practice is bound to place and season more tightly than most traditions. The Irish year turns on four festivals: Samhain at the beginning of winter, when the boundary of the Otherworld is thinnest; Imbolc in early February, Brigid's feast and the first stirring of spring; Beltane at the start of summer, fire and fertility; and Lughnasadh in August, the harvest assembly of Lugh. Alongside the calendar runs an intense localism — rivers that are goddesses, wells with named guardians, hills that are entrances, trees that must not be cut. For a modern practitioner this is the most transferable element of the whole tradition. Relationship with the land you actually live on, its water and its seasons, is closer to attested Celtic religion than any reconstructed ritual script.

Sovereignty, the Otherworld and the triple form

Three motifs recur across the regional traditions and are worth learning as structural keys. Sovereignty is personified as a goddess who confers legitimate rule through union with a rightful king, and who withdraws it when he is unjust; the Morrigan, Medb and the Welsh Rhiannon all carry this pattern. The Otherworld is not an afterlife but a parallel present, reachable through mounds, mists, water and certain nights, where time runs differently. And the triple form appears constantly, in the three Morrigna, the three Brigids, the Gaulish Matres carved as three seated mothers. Recognising these three patterns lets a student read an unfamiliar figure intelligently rather than memorising isolated biographies.

Practising with the Celtic gods today

Modern Celtic practice ranges from careful reconstructionism to Druidry and broader neopaganism. This Academy teaches from the sources outward: read the Irish cycles and the Mabinogi, learn the pronunciation of the names in their own languages, and understand the festival cycle before building ritual. Devotional practice is characteristically simple — offerings of milk, bread, butter, poetry or craft, made at a hearth, a well or a tree, with spoken address rather than formula. Poetry and craft themselves are traditional offerings, which is unusual and worth taking literally. Each deity below links to the study article and the course or grimoire that treats it, so a first attraction can become a structured, source-grounded practice.

The 20 deities

  • Brigid — Brigid is a prominent Celtic goddess, revered as the patroness of healing, poetry, smithcraft, and the home. She is a benevolent guide associated with inspiration, protection, and the coming of spring.
    How to Work with Brigid · The Radiant Path of Brigid: Origins, Symbols, and Enduring Influence
  • The Morrigan — The Dagda is a principal deity in the Celtic pantheon of the Tuatha Dé Danann, known as the 'All-Father' and 'Good God,' who presides over abundance, wisdom, sovereignty, and the arts.
    The Dagda: Power, Abundance, and Wisdom of the Celtic All-Father
  • Lugh — Lugh is a preeminent deity in the Celtic pantheon, revered as a master of all arts and skills, and a patron of craftsmanship, sovereignty, and just leadership.
    The Radiant Skill of Lugh: A Compendium of Origins, Arts, and Sovereignty · How to Work with Lugh
  • Cernunnos — Cernunnos is a prominent Celtic deity, depicted as a horned god who presides over animals, nature, fertility, and wealth, acting as a guide between the physical world and the Otherworld.
    The Wisdom of Cernunnos: Lord of Forests, Cycles, and Abundance · How to Work with Flidais
  • The Dagda — The Dagda is a principal deity in the Celtic pantheon of the Tuatha Dé Danann, known as the 'All-Father' and 'Good God,' who presides over abundance, wisdom, sovereignty, and the arts.
    The Dagda: Power, Abundance, and Wisdom of the Celtic All-Father · How to Work with The Dagda
  • Danu — Danu is the ancestral mother goddess of the Tuatha De Danann in Celtic mythology. Her primary domains are the land, water, sovereignty, fertility, and wisdom.
    The Primordial Grace of Danu: Mother of Gods and Land · How to Work with Danu
  • Cerridwen
    How to Work with Cerridwen
  • Rhiannon — Rhiannon is a prominent goddess from Welsh mythology, known primarily as a figure of sovereignty, queenship, and otherworldly guidance. Her domains also include horses, birds, fertility, and navigating injustice with patience.
    The Sovereignty of Rhiannon: Mythology, Symbols, and Devotional Practice · How to Work with Rhiannon
  • Manannan mac Lir — Lugh is a preeminent deity in the Celtic pantheon, revered as a master of all arts and skills, and a patron of craftsmanship, sovereignty, and just leadership.
    The Radiant Skill of Lugh: A Compendium of Origins, Arts, and Sovereignty
  • Epona — Epona is a prominent Gallo-Roman goddess of Celtic origin, revered as the divine protector of horses, mules, and donkeys. Her domains also encompass fertility, prosperity, sovereignty, and ensuring the safe passage of travelers.
    The Sovereignty of Epona: A Study of the Divine Mare
  • Aengus — Aengus is a benevolent deity from the Irish Celtic tradition, regarded as the patron of love, youth, dreams, and poetic inspiration. He is a prominent member of the Tuatha Dé Danann and dwells at the sacred site of Brú na Bóinne.
    The Grace of Aengus: Patron of Love, Youth, and Poetic Inspiration · How to Work with Aengus
  • Belenus — Belenus is a Celtic solar deity revered as a benevolent guide associated with healing, prophecy, and the life-sustaining power of sunlight, particularly worshipped at sacred springs and during the festival of Beltane.
    The Radiance of Belenus: Origins, Symbols, and Worship
  • Arawn — Arawn is a benevolent deity from Welsh Celtic mythology who reigns as the king of the Otherworld, Annwn. His primary domains include transformation, the cycles of life and death, justice, and the untamed wilderness.
    How to Work with Arawn · The Royal Wisdom of Arawn: A Guide to the Welsh Otherworld
  • Nuada — Nuada is a revered Celtic deity from the Tuatha Dé Danann, known as a god of kingship, law, justice, and healing. He is most famous for his silver arm, a symbol of restored ability and righteous rule.
    The Silver Hand of Sovereignty: A Study of the Celtic God Nuada · How to Work with Nuada
  • Taranis — Thor is the Norse god of thunder, storms, strength, and the protection of humankind. He is venerated as a benevolent guardian who consecrates sacred spaces and defends the world of mortals.
    The Enduring Might of Thor: Origins, Symbols, and Devotional Practice
  • Ogma — The Dagda is a principal deity in the Celtic pantheon of the Tuatha Dé Danann, known as the 'All-Father' and 'Good God,' who presides over abundance, wisdom, sovereignty, and the arts.
    How to Work with Ogma · The Dagda: Power, Abundance, and Wisdom of the Celtic All-Father
  • Airmid — Airmid is a benevolent Irish deity from the Tuatha Dé Danann pantheon, revered as the goddess of healing, herbal medicine, and the preservation of sacred botanical knowledge.
    The Healing Heart of Airmid: A Compendium of Celtic Herbal Wisdom
  • Boann — The Dagda is a principal deity in the Celtic pantheon of the Tuatha Dé Danann, known as the 'All-Father' and 'Good God,' who presides over abundance, wisdom, sovereignty, and the arts.
    How to Work with Boann · The Dagda: Power, Abundance, and Wisdom of the Celtic All-Father
  • Macha — The Morrígan is a prominent Irish Celtic deity, often appearing as a trio of goddesses, who governs sovereignty, prophecy, and the transformative cycles of life, death, and battle.
    How to Work with Macha · The Great Queen Morrígan: Sovereignty, Prophecy, and Transformation in Celtic Spirituality
  • Bres — Goibniu is the Celtic divine smith of the Tuatha Dé Danann, presiding over smithcraft, toolmaking, hospitality, and the brewing of magical ale that grants immortality.
    The Radiant Path of Brigid: Origins, Symbols, and Enduring Influence · The Radiant Skill of Lugh: A Compendium of Origins, Arts, and Sovereignty · The Powers of Goibniu: Origins, Symbols, and Rituals

Grimoires, ebooks & downloads

  • How to Work with Brigid
  • How to Work with Arawn
  • How to Work with Rhiannon
  • How to Work with Lugh
  • How to Work with The Dagda
  • How to Work with Ogma
  • How to Work with Nuada
  • How to Work with Cerridwen
  • How to Work with Boann
  • How to Work with Danu
  • How to Work with Macha
  • How to Work with Aengus
  • How to Work with Flidais

Frequently asked questions

Who are the Celtic gods?

They are the deities of the pre-Christian Celtic-speaking peoples, grouped by region: the Irish Tuatha De Danann such as the Dagda, the Morrigan, Brigid and Lugh; the Welsh figures of the Mabinogi; and the Gaulish and British gods known mainly from Roman-era inscriptions.

Who were the Tuatha De Danann?

The people of the goddess Danu, the divine family of Irish myth. The Lebor Gabala Erenn presents them as one of the peoples who settled Ireland, and says that after their defeat they withdrew into the sidhe mounds, becoming the Otherworldly Fair Folk of later folklore.

How many Celtic gods are there?

There is no fixed count. Irish sources name several dozen figures, the Welsh material a further set, and Gaulish inscriptions preserve hundreds of local divine names, many attested only once at a single site. This pillar covers the twenty most substantially documented.

Who is the Celtic god of death?

There is no single one. Donn, the dark ancestral figure whose house the dead gather at, comes closest in Irish tradition; the Welsh Arawn rules Annwn, the Otherworld; and the Morrigan governs the fate and outcome of battle rather than death as a realm.

Who is the Celtic god of the sea?

Manannan mac Lir in Irish tradition, and his Welsh counterpart Manawydan fab Llyr. Manannan is also a guardian of the Otherworld and a keeper of mists and passage between worlds.

What is the difference between Celtic and Irish gods?

Irish gods are one branch of the broader Celtic material, and the best documented. Celtic also covers the Welsh, Gaulish, British and other regional traditions, which have their own names, languages and sources and should not be merged into one pantheon.

How do you worship Celtic gods?

Attested practice is local and simple: offerings of milk, bread, butter, poetry or craft made at a hearth, well, river or tree, with plain spoken address, marked by the four festivals of Samhain, Imbolc, Beltane and Lughnasadh. Relationship with the land you live on is central.

What are the four Celtic festivals?

Samhain at the start of winter, Imbolc in early February for Brigid, Beltane at the start of summer, and Lughnasadh at the harvest assembly of Lugh. They divide the year into its two great halves and mark the working seasons of the land.

Are the Celtic sources reliable?

They are usable with method. Every surviving text was written by Christian scribes centuries after the practice, and Gaulish evidence comes largely through Roman interpretation. Serious study identifies the tradition, century and type of each source and is candid about what is unknown.

Which Celtic deity should I start with?

Begin with the tradition whose language and landscape you can actually engage — most students start Irish — and with the deity whose domain matches your work: Brigid for poetry, healing and craft, Lugh for skill and mastery, the Morrigan for sovereignty and hard transitions, the Dagda for provision and steadiness.