Tógadh Laoighseach Ní Choistealbha i gceantar an Lagáin in Oirthear Dhún na nGall. Tá cónaí uirthi i nGaeltacht Chonamara anois. D’fhoilsigh Barzaz na cnuasaigh Solas Geimhridh (2023) agus Mainistir na Feola (2025). Ceapadh mar scríbhneoir cónaitheach in Ollscoil Chathair Bhaile Átha Cliath i mbliana í.

Laoighseach Ní Choistealbha was raised in the Laggan in East Donegal. She now lives in the Conamara Gaeltacht. Barzaz published both her collections to date: Solas Geimhridh agus Dánta Eile (Barzaz, 2023) and Mainistir na Feola (Barzaz, 2025). She is currently Irish-language writer-in-residence in DCU.