Source

C 1981 VOL 6 T10 — 10. Irish speakers, 3 years of age and over in each Province County or County Borough and in the Gaeltacht areas of each County, classified by highest type of educational establishment attended full-time

C 1981 VOL 6 T10 — 10. Irish speakers, 3 years of age and over in each Province County or County Borough and in the Gaeltacht areas of each County, classified by highest type of educational establishment attended full-time, published by CSO.