Cahill family name history and map
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Cahill in 1911 Ireland
The 1911 Census recorded 5,971 people named Cahill in Ireland, about 0.136% of everyone living in the country at the time and the 120th most common surname overall. The name was split fairly evenly between men and women: 3,013 men and 2,950 women. (A small number, 8, had no sex recorded.)
Counties with Cahill in Ireland
Cork had the largest share of Cahills, 12.7% (761 people). Next came Tipperary (631), Dublin (613), Kerry (558) and Kilkenny (391).
Cahill average age in 1911
The average Cahill in 1911 was 29.9 years old, 29.3 for men and 30.5 for women; almost exactly in line with the national averages of 29.6 for men and 30.5 for women. That low figure reflects just how many children there were in Edwardian Ireland, along with high infant mortality and the limits of public health at the time. For comparison, average life expectancy in Ireland today is around 83.
Cahill literacy in 1911
Of the Cahills whose literacy was recorded, 77.4% could both read and write, 3.5% could read but not write, and 19.1% could do neither. The figures were much the same for men and women. Bear in mind these figures include young children; the census itself only counted people aged nine and over when calculating illiteracy, on the grounds that it was unfair to label a child illiterate before they'd had a chance to learn.
Cahill common first names
The most common male names were John (445), Patrick, James, Michael and Thomas; the same five names that topped the list nationally. For women it was Mary (563), followed by Bridget, Margaret, Ellen and Catherine.
Cahill occupations in 1911
The most common entry on a Cahill's census form was "Scholar"; 21.2% (1,268) were children at school. Among the rest, the most common occupations were farmer (15.1%), farm labourer (4.5%), general labourer (4.4%) and domestic servant (3.4%). Grouped by sector, agriculture accounted for 20% of all Cahills, followed by domestic service, general labourers and retail & commerce.
What religion is Cahill?
Cahills were overwhelmingly Roman Catholic, 98.4% of them. The remainder were mostly Anglican (1.1%) and Methodist (0.1%).
Visitor Notes
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Added by
Pete F
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Cahill statistics (1911)
Number: 5,971
Rank: 120
Average Age: 30
Cahill in the USA (2020)
Number: 20,098
Rank: 1,738
Note: If there were less than 100 in the USA census it will show as zero.