Source

C 1986 V5 T13a — 13A. Private households, in which the head of the household was an irish speaker, in each province, county or county borough, classified by number of persons aged 3 years and over in the household

C 1986 V5 T13a — 13A. Private households, in which the head of the household was an irish speaker, in each province, county or county borough, classified by number of persons aged 3 years and over in the household, published by CSO.