Mayo County through time | Historical Statistics on Population

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Definition & source information

Total Population

Data cube chart.

Year	Population 20 years earlier	Population 10 years earlier	Current Total Population
1821			293,112
1831		293,112	366,328
1841		366,328	388,887
1851		388,887	274,499
1861	388,887	274,830	254,796
1871		253,535	244,768
1881		245,212	245,212
1891		245,212	219,034
1901			199,166
1911			192,177

Date	Source
1821 - 1831	1821 Census of Ireland, Abstract of answers, Table [1] , 'Abstract of Answers and Returns under the Population Act of Ireland:- 1821'
1831 - 1841	1831 Census of Ireland, Abstract of answers, Table [1] , 'Abstract of Answers and Returns under the Population Acts, Ireland:- Enumeration 1831.'
1841	1841 Census of Ireland, Report, Table 1 , 'General table'
1851 - 1861	1861 Census of Ireland, Population summary, Table [1] , 'Area, population and number of houses'
1851	1851 Census of Ireland, General, Table 1 , 'General Table.'
1861	1861 Census of Ireland, General, Table 1 , 'Showing by baronies, parishes, and towns, the area, population, number of houses and families, occupations, religious profusions, and education'
1871 - 1891	1891 Census of Ireland, Population summary, Table 7 , 'Area, houses, out-offices and farm steadings, and population, together with the valuation of each parish, townland, and township in 1891'
1901	1901 Census of Ireland, Population summary, Table 29 , 'Religious professions and sexes of the inhabitants, in each parish, in the county of [--]'
1911	1911 Census of Ireland, Population summary, Table 29 , 'Religious professions and sexes of the inhabitants, in each parish, in the county'

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nCube definition

The early censuses 1801-31 used this very simple classification of occupations. The cemsuses of Great Britain from 1811 onwards applied it to families rather than persons, and all families were included under one of these headings.

Mayo County : Total Population

Total Population