The Ogham Alphabet

All 25 letters of the ancient Celtic Ogham script — from the four traditional groups (aicmí) plus the extended Forfeda. Click any letter to explore its full meaning, pronunciation, tree association, and examples.

All Letters at a Glance

ᚁ B Beith ᚂ L Luis ᚃ F/V Fearn ᚄ S Sail ᚅ N Nion ᚆ H Huath ᚇ D Dair ᚈ T Tinne ᚉ C/K Coll ᚊ Q Quert ᚋ M Muin ᚌ G Gort ᚍ NG nGéadal ᚎ ST/Z Straif ᚏ R Ruis ᚐ A Ailm ᚑ O Onn ᚒ U Úr ᚓ E Edad ᚔ I Idad ᚕ EA Éabhadh ᚖ OI Or ᚗ UI Uilleann ᚘ IO Ífín ᚙ AE/X Emancholl ᚚ P Peith

Full Alphabet Chart

Ogham Letter Name Tree / Meaning Group Detail
ᚁ B Beith Birch tree Aicme Beith Learn →
ᚂ L Luis Rowan tree Aicme Beith Learn →
ᚃ F/V Fearn Alder tree Aicme Beith Learn →
ᚄ S Sail Willow tree Aicme Beith Learn →
ᚅ N Nion Ash tree Aicme Beith Learn →
ᚆ H Huath Hawthorn Aicme hÚatha Learn →
ᚇ D Dair Oak tree Aicme hÚatha Learn →
ᚈ T Tinne Holly Aicme hÚatha Learn →
ᚉ C/K Coll Hazel tree Aicme hÚatha Learn →
ᚊ Q Quert Apple tree Aicme hÚatha Learn →
ᚋ M Muin Bramble Aicme Muine Learn →
ᚌ G Gort Ivy Aicme Muine Learn →
ᚍ NG nGéadal Broom/Reed Aicme Muine Learn →
ᚎ ST/Z Straif Blackthorn Aicme Muine Learn →
ᚏ R Ruis Elder tree Aicme Muine Learn →
ᚐ A Ailm Silver Fir Aicme Ailme Learn →
ᚑ O Onn Gorse Aicme Ailme Learn →
ᚒ U Úr Heather Aicme Ailme Learn →
ᚓ E Edad Aspen Aicme Ailme Learn →
ᚔ I Idad Yew tree Aicme Ailme Learn →
ᚕ EA Éabhadh Aspen (extended) Forfeda Learn →
ᚖ OI Or Spindle tree Forfeda Learn →
ᚗ UI Uilleann Honeysuckle Forfeda Learn →
ᚘ IO Ífín Gooseberry Forfeda Learn →
ᚙ AE/X Emancholl Twin of Hazel Forfeda Learn →
ᚚ P Peith Spindle (alt) Forfeda Learn →

The Five Groups (Aicmí)

Aicme Beith

Strokes to the right of the stem line. Named after Beith (birch).

ᚁ B Beith ᚂ L Luis ᚃ F/V Fearn ᚄ S Sail ᚅ N Nion

Aicme hÚatha

Strokes to the left of the stem line. Named after hÚatha (hawthorn).

ᚆ H Huath ᚇ D Dair ᚈ T Tinne ᚉ C/K Coll ᚊ Q Quert

Aicme Muine

Strokes crossing the stem line diagonally. Named after Muin.

ᚋ M Muin ᚌ G Gort ᚍ NG nGéadal ᚎ ST/Z Straif ᚏ R Ruis

Aicme Ailme

Notches through the stem — the vowel group. Named after Ailm (silver fir).

ᚐ A Ailm ᚑ O Onn ᚒ U Úr ᚓ E Edad ᚔ I Idad

Forfeda

Five extended characters added later for sounds not in Old Irish.

ᚕ EA Éabhadh ᚖ OI Or ᚗ UI Uilleann ᚘ IO Ífín ᚙ AE/X Emancholl ᚚ P Peith

See the Alphabet in Action

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