This is the 7th volume of the Proceedings of the Conference of Celtic Students, held yearly by the Association of Celtic Students of Ireland and Britain (ACSIB). These proceedings offer a selection of seven papers in Breton, English, Irish Gaelic and Scottish Gaelic from our 2019 conference in Edinburgh, with a wide range of topics pertaining to Celtic studies. This volume contains the following articles:-Clément Guillanton, "Ar Brederouriezh e Brezhoneg: A-zivout ar c’helenn prederouriezh e Brezhoneg";-Jeff Justice, "Reflections in Democratic Mirrors: The Plight of the Celtic Languages in Parliaments";-Michal Baran, "Friction and voicing length as phonetic correlates in the fortis-lenis distinction of the Welsh fricatives";-Feena Tóibín, "Dubhghlas de hÍde agus a bhlianta tosaigh mar bhailitheoir béaloidis";-Nina Cnockaert-Guillou, "Chasing Mabon: a study of the links between Mabonagrain, Evrain and Owein based on Erec et Enide and Gereint uab Erbin";-Déirdre Ní Mhathúna, "Feadh Garbh Thonn: Càs Iasgairean nan Gàidheal an-diugh agus mac-talla bhon sinnsearan";-Julieta Abella, "‘He confined his reading to books attired in green covers’’: Celtic re-telling in At Swim-Two-Birds by Flann O’Brien".