To expand slightly on the previous post:
• The song "Áird a' Chumhaing" (one plausible spelling!) was first written down by Robert McAdam about 1830 from John McCambridge. These words were not published until 1940.
• Words for the song were first published in print by Eoin Mac Néill in 1895, from oral versions he obtained. He believed McCambridge was the author of the song, but I don't think the evidence supports this.
• An English translation of Mac Néill's version was made before 1912 by the Celtic scholar Eleanor Hull, but hardly intended for singing (here at pp 208–9)
• Glenariffe tradition attributes the song to one Cormac Ó Néill, a native of Glendun but living in Glenariffe.
• Versions of the song continued to be collected orally and published, up to around 1940.
• John McCambridge was a Protestant (Church of Ireland, not Presbyterian) farmer, a native of Mullarts, born about 1793, who could trace his descent back to settlers from Kintyre in 1625.
• McCambridge lived at Glenarm and ran a tannery in Larne. Died 1873, buried at Layde, where the family tomb has an extensive inscription.