McIlroy family name history and map
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McIlroy in 1911 Ireland
The 1911 Census recorded 1,209 people named McIlroy in Ireland, about 0.028% of everyone living in the country at the time and the 682nd most common surname overall. The name was split fairly evenly between men and women: 613 men and 596 women.
Counties with McIlroy in Ireland
The McIlroys were heavily concentrated in Antrim, home to 64.5% of them (780 people). Next came Down (284), Derry (44), Armagh (42) and Tyrone (37).
McIlroy average age in 1911
The average McIlroy in 1911 was 29.3 years old, 28.2 for men and 30.4 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.
McIlroy literacy in 1911
Of the McIlroys whose literacy was recorded, 80.7% could both read and write, 4.9% could read but not write, and 14.4% could do neither. Men came out slightly ahead, 82% reading and writing against 79.3% of 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.
McIlroy common first names
The most common male names were John (75), James, William, Robert and Thomas. For women it was Mary (52), followed by Margaret, Annie, Elizabeth and Jane.
McIlroy occupations in 1911
The most common entry on a McIlroy's census form was "Scholar"; 18% (218) were children at school. Among the rest, the most common occupations were farmer (9.1%), textile worker (8.1%), general labourer (4.3%) and shopkeeper / shop assistant / dealer (2.9%). Grouped by sector, agriculture accounted for 12.7% of all McIlroys, followed by textiles & clothing, general labourers and retail & commerce.
What religion is McIlroy?
The largest religious group among McIlroys was Presbyterian, at 45.6%. The remainder were mostly Anglican (26.4%), Roman Catholic (22.2%), Methodist (1.7%) and Plymouth Brethren (1.1%).
Visitor Notes
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Added by
Pete F
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McIlroy statistics (1911)
Number: 1,209
Rank: 682
Average Age: 29
McIlroy in the USA (2020)
Number: 1,160
Rank: 22,690
Note: If there were less than 100 in the USA census it will show as zero.