Clan Douglas
The school is named after the Douglases of Mains, who were a branch family of the Clan Douglas. The Douglases are an ancient clan, and subsequent noble house from the Scottish Lowlands who held vast territories throughout the Scottish Borders; Angus, Lothian, Moray, and in France and Sweden. The Douglases of Mains were related to the main branch through their common ancestor Archibald I, Lord of Douglas, a Scottish medieval nobleman born in the 12th century.