Fragments of Ancient Poetry Collected in The Highlands of Scotland - Authenticity Debate

Authenticity Debate

There were immediate disputes of Macpherson's claims on both literary and political grounds. Macpherson promoted a Scottish origin for the material, and was hotly opposed by Irish historians who felt that their heritage was being appropriated. However, both Scotland and Ireland shared a common Gaelic culture during the period in which the poems are set, and some Fenian literature common in both countries was composed in Scotland.

Samuel Johnson, English author, critic, and biographer, was convinced that Macpherson was "a mountebank, a liar, and a fraud, and that the poems were forgeries". Johnson also dismissed the poems' quality. Upon being asked, "But Doctor Johnson, do you really believe that any man today could write such poetry?" he famously replied, "Yes. Many men. Many women. And many children." Johnson is cited as calling the story of Ossian "as gross an imposition as ever the world was troubled with". In support of his claim, Johnson also called Gaelic the rude speech of a barbarous people, and said there were no manuscripts in it more than 100 years old. In reply, it was proved that the Advocates' library at Edinburgh contained Gaelic manuscripts 500 years old, and one of even greater antiquity.

Scottish author Hugh Blair's 1763 A Critical Dissertation on the Poems of Ossian upheld the work's authenticity against Johnson's scathing criticism and from 1765 was included in every edition of Ossian to lend the work credibility. The work also had a timely resonance for those swept away by the emerging Romantic movement and the theory of the "noble savage", and it echoed the popularity of Burke's seminal A Philosophical Enquiry into the Origin of Our Ideas of the Sublime and Beautiful (1757).

In 1766 the Irish antiquarian and Gaelic scholar Charles O'Conor dismissed Ossian's authenticity in a new chapter Remarks on Mr. Mac Pherson's translation of Fingal and Temora that he added to the second edition of his seminal history. In 1775 he expanded his criticism in a new book, Dissertation on the origin and antiquities of the antient Scots.

Faced with the controversy, the Committee of the Highland Society enquired after the authenticity of Macpherson's supposed original. It was because of these circumstances that the so-called Glenmasan manuscript (Adv. 72.2.3) came to light, a compilation which contains the tale Oided mac n-Uisnig. This text is a version of the Irish Longes mac n-Uislenn and offers a tale which bears some comparison to Macpherson's "Darthula", although it is radically different in many respects. Donald Smith cited it in his report for the Committee.

The controversy raged on into the early years of the 19th century, with disputes as to whether the poems were based on Irish sources, on sources in English, on Gaelic fragments woven into his own composition as Johnson concluded, or largely on Scots Gaelic oral traditions and manuscripts as Macpherson claimed.

In 1952, Scottish poet Derick Thomson concluded that Macpherson had collected Scottish Gaelic ballads, employing scribes to record those that were preserved orally and collating manuscripts, but had adapted them by altering the original characters and ideas, and had introduced a great deal of his own. The modern American literature professor and translator Bernard Knox refers to the Ossian book as a forged or fake "collective bardic epic".

The Invention of Scotland (2008) by Hugh Trevor-Roper follows the evolution of Macpherson's versions and the work's early support by some Scottish intellectuals.