Congrès celtique
Through her position as Secretary of "Yn Çheshaght Ghailckagh", Douglas also became the Secretary of the Manx branch of the Celtic Congress. In this capacity she attended the Celtic Congress of 1917, where she met Alfred Perceval Graves. He and others of the Pan-Celtic movement made a large and lasting impact on her: "my association with a number of national personalities convinced me firmly that the goal of nationalists in all the Celtic countries should be, eventually, an independent federation of the Celtic States." This Pan-Celtic fervour emerged in her third collection of poetry, "A Dhooragh", published in 1919. The poem placed first in that collection showed clearly Douglas' "open sympathy" for the Irish Easter Rising of 1916: