Gaeltacht
Much of Erris is a Gaeltacht area, with first-language speakers of Irish in the following areas of the barony: An Fál Mór, Tamhaiin na hUltaí, Glais, Eachléim, Tearmann, Tránn, An Mullach Rua, Cartúr, An Baile Úr, Cill Ghallagáin, Ceathrú na gCloch, Port a' Chluaidh, Ros Dumhach and Ceathrú Thaidhg. The area with the most Irish speakers is Ceathrú Thaidhg. There are between 1,500-2,000 native Irish speakers in Erris.
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