People and Books · Ogham
Damian McManus and the Linguistic History of Ogham

- Author
- Editorial Board, Orphic Meridian Association
- Date
- 2026-04-22
- Reading time
- 4 min
Modern books often approach Ogham through trees, divination, and Druids. Damian McManus begins with inscriptions, Primitive Irish, and letter names. That less romantic starting point is precisely why his work is useful when assessing how far a modern claim can be traced into historical evidence.
Entering Ogham through language
Trinity College Dublin lists McManus's research interests as Primitive Irish, Latin loanwords, the Ogham alphabet, and Classical Modern Irish. He graduated in 1977 and completed a doctorate on Latin loanwords in Early Irish in 1982, later becoming a Trinity professor and fellow and a member of the Royal Irish Academy.
That linguistic background matters. An Ogham inscription is not an abstract symbol chart; it records a language. Letter forms, consonant changes, personal names, and contact with Latin all contribute to the dating and location of inscriptions.
What A Guide to Ogam provides
Published in 1991, A Guide to Ogam brings together inscriptions, alphabetic structure, scribal tradition, and medieval textual evidence. It does not assign a fixed divinatory keyword to every letter. It shows which objects and texts support what we know.
For a modern reader, the book establishes a useful order: begin with how early inscriptions use the script, then examine how medieval scholars organized letter names and classifications, and only then approach modern symbolic systems.
Tree correspondences do not disappear
Medieval Ogham material contains several classificatory sets involving plants, colors, crafts, and other subjects, along with kennings for letter names. These belong to a layered scholarly and manuscript tradition; they do not collapse into one ancient Celtic tree calendar.
McManus's work on names and linguistic layers helps distinguish plant associations supported by texts from etymological mistakes and modern combinations.
A profile should include method
A useful intellectual profile does more than list positions and books. It identifies the questions a scholar changed. McManus helps replace “What does this sign symbolize?” with a sequence that can be checked: Where does it occur? What sound does it record? To which stage of the language does it belong? How did later commentators explain it?
The same distinction benefits modern practice. A sign can acquire a new meaning today without that meaning being projected back over early inscriptions.