Gilroy family name history and map
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Gilroy in 1911 Ireland
The 1911 Census recorded 793 people named Gilroy in Ireland; roughly one in every 5,500 people carried the name. The name was split fairly evenly between men and women: 404 men and 388 women. (A small number, 1, had no sex recorded.)
Counties with Gilroy in Ireland
Leitrim had the largest share of Gilroys, 23.1% (183 people). Next came Mayo (130), Fermanagh (121), Sligo (81) and Cavan (75).

Gilroy average age in 1911
The average Gilroy in 1911 was 31.1 years old, 31.4 for men and 30.7 for women; slightly older than 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.
Gilroy literacy in 1911
Of the Gilroys whose literacy was recorded, 72.6% could both read and write, 5% could read but not write, and 22.3% could do neither. Men came out slightly ahead, 75.9% reading and writing against 69.4% 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.
Gilroy common first names
The most common male names were John (63), Patrick, Thomas, James and Michael; the same five names that topped the list nationally. For women it was Mary (55), followed by Bridget, Catherine, Annie and Ellen.
Gilroy occupations in 1911
The most common occupation among Gilroys was farmer, 25.1% of them (199 people). Next came scholar / student (18.8%), farm labourer (3.4%), domestic servant (2.1%) and general labourer (2.1%). Grouped by sector, agriculture accounted for 29.6% of all Gilroys, followed by domestic service, general labourers and textiles & clothing.
What religion is Gilroy?
Gilroys were overwhelmingly Roman Catholic, 92.3% of them. The remainder were mostly Anglican (4.2%), Presbyterian (2.3%) and Methodist (0.3%).
Visitor Notes
Review type for post source and surnames source type not found
Added by
Pete F
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Gilroy statistics (1911)
Number: 793
Rank: 944
Average Age: 31
Gilroyin the USA (2020)
Number: 3,730
Rank: 8,486
Note: If there were less than 100 in the USA census it will show as zero.

