1911 The Great Gaels of Ireland.
Are the men that God made mad,
For all their wars are merry.
And all their songs are sad.
The Ballad of the White Horse, G.K. Chesterton.
Origin of gael
- Scottish Gaelic Gaidheal Irish Gaelic Gael both from Old Irish Goídil Goidelic
From American Heritage Dictionary of the English Language, 5th Edition