Ogam var etalfabet som primært blev anvendt til at repræsentereGæliske sprog. Det ser ud til at have haft sin højeste blomstring i5.–6. århundrede. Ogam-inskriptioner på monumenter (helleristninger) er blevet fundet iIrland,Skotland,Wales,England ogIsle of Man, hvor det primært er blevet anvendt som territorielle markeringer.
Ogam-alfabetet består af 25 bogstaver. De første 20 bogstaver (feda) anses for at være primære, mens de sidste 5 (forfeda) anses for at være supplerende.
European bronze age visitors in America e.legner@ucr.edu: Introduction Citat: "...Nevertheless, there is considerable evidence of a voyage or voyages of aBronze AgeScandinavian king,Woden-lithi, to North America around1700 BC from texts found inscribed in the rocks at Peterborough, Ontario, Canada (Figs. 18 & 19 & MAP), and other North American sites...One alphabet, "ogam consaine" was employed by the ancient peoples of Ireland and Scotland (often erroneously referred to asCelts..."
The mystery stone of Beverly, Kansas Citat: "....The epigrapher used an Ogham script of hieroglyphics and Iberian-punic characters to interpret the inscription. If he is correct, then the stone dates before the Latin alphabet and Spanish language, over 2000 years ago..."
