Source

C1991 V7 T14b — 14B. Irish speakers in private households, in which the head of the household was an Irish speaker, in each Province, County and County Borough, classified by number of persons aged 3 years and over in the household

C1991 V7 T14b — 14B. Irish speakers in private households, in which the head of the household was an Irish speaker, in each Province, County and County Borough, classified by number of persons aged 3 years and over in the household, published by CSO.