Ireland's First Script Ogham (with Converter tool)

The Ogham Alphabet

The Ogham alphabet (often pronounced "OH-um") is the earliest known form of writing used in Ireland and parts of Britain, appearing primarily in inscriptions between the 4th and 9th centuries AD. It's unique among world writing systems for its striking visual form and method of inscription.

Historical Context and Use

Ogham emerged during the period of Primitive Irish, the oldest attested form of the Gaelic language.

1. Form and Structure: Unlike the Latin or Runic alphabets, Ogham consists entirely of a system of notches and parallel strokes etched along a central line, or "stemline." On monuments, the natural corner or edge of a standing stone served as this stemline, making Ogham essentially a three-dimensional script. It reads vertically, typically from bottom to top.
2. Primary Function: The vast majority of surviving Ogham inscriptions are found on monumental stones (known as Ogham stones) scattered across Ireland and Wales. These stones functioned primarily as commemorative boundary markers or memorials, usually bearing the name of an individual and that person's lineage.
3. The "Tree Alphabet" Tradition: Ogham is incorrectly known as the "Celtic Tree Alphabet." This association comes from medieval manuscript tradition, where each of the 20 original Ogham characters was given a name corresponding to a native Irish tree or plant (e.g., ᚁ Beith = Birch, ᚇ Dair = Oak). This tradition popularized the script but often overshadowed its true linguistic purpose.
4. Decline: Ogham usage declined dramatically after the 7th century, largely being replaced by the Latin alphabet as Christianity spread and written language shifted from monumental inscriptions to manuscripts.

Transliteration for Modern English

The original Ogham alphabet had only 20 core characters (feda), which reflected the limited sound set of Primitive Irish. To adapt this ancient script for Modern English (which has 26 letters and many more sounds), a systematic approach is necessary.

This converter (below) uses a modern, mostly reversible transliteration method that maps the six missing English letters (J, K, P, V, W, X, Y, Z) to their closest existing Ogham phonetic or orthographic neighbors, ensuring every modern English word can be accurately rendered in Ogham. We also use the dedicated   (Ogham space mark) for all word separation and punctuation to maintain the authenticity of the script's digital representation.

 

Ogham Bi-Directional Converter

Direction: Latin (English) → Ogham Ogham → Latin (English)

Include Feather Marks (᚛ and ᚜) ⓘ

Enter Latin (English) Text:

Output (Click to Copy):

Note on Mapping: This converter uses the 20 core Ogham letters plus the later Forfeda for missing English sounds (P and CH). Punctuation is converted to the Ogham space mark ( ) for a more authentic output.

Latin Input	Ogham Output	Ogham Name	Mapping Rationale
A, E, I, O, U	ᚐ, ᚓ, ᛁ, ᚑ, ᚒ	Ailm, Edad, Idad, Onn, Ur	Direct Ogham Vowels
B	ᚁ	Beith	Direct Ogham character.
P	ᚚ	Peith	**Uses the Forfid (supplementary letter).**
F, V	ᚃ	Fern	V is voiced pair of F.
C, K	ᚉ	Coll	K shares the hard C (/k/) sound.
CH	ᚙ	Eamhancholl	**Uses the Forfid for the CH sound.**
G	ᚌ	Gort	Direct Ogham character.
D	ᚇ	Dair	Direct Ogham character.
T	ᚈ	Tinne	Direct Ogham character.
H	ᚆ	Uath	Direct Ogham character.
L	ᚂ	Luis	Direct Ogham character.
M	ᚋ	Muin	Direct Ogham character.
N	ᚅ	Nuin	Direct Ogham character.
R	ᚏ	Ruis	Direct Ogham character.
S, Z	ᚄ	Saille	Z is voiced pair of S.
J	ᚉ	Coll	Mapped to C/K as a functional default.
W	ᚒ	Ur	Mapped to the vowel U (closest to 'oo' sound).
Y	ᛁ	Idad	Mapped to the vowel I.
Q	ᚊ	Quert	Direct Ogham character.
X	ᚉᚄ	Coll + Saille	Mapped as the two-character phonetic sequence CS (/ks/).

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