The Statutes of Iona, passed in Scotland in 1609, required that Highland Scottish clan chiefs send their heirs to Lowland Scotland to be educated in English-speaking Protestant schools. As a result, some clans, such as the MacDonalds of Sleat and the MacLeods of Harris, adopted the new religion. Other Clans notably the MacLeans of Morvern & Mull, MacDonalds of Clanranald, Keppoch, Glengarry, and Glencoe, remained resolutely Roman Catholic.
Amongst the provisions of the statutes were:
In the view of some writers, this enaction was "the first of a succession of measures taken by the Scottish government specifically aimed at the extirpation of the Gaelic language, the destruction of its traditional culture and the suppression of its bearers"