McCahill family name history and map
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McCahill in 1911 Ireland
The 1911 Census recorded 284 people named McCahill in Ireland; roughly one in every 15,000 people carried the name. The name was split fairly evenly between men and women: 144 men and 140 women.
Counties with McCahill in Ireland
The McCahills were heavily concentrated in Donegal, home to 74.3% of them (211 people). Next came Cavan (65), Galway (5), Dublin (2) and Waterford (1).

McCahill average age in 1911
The average McCahill in 1911 was 31.1 years old, 28.3 for men and 34.1 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.
McCahill literacy in 1911
Of the McCahills whose literacy was recorded, 66.3% could both read and write, 5.6% could read but not write, and 28.1% could do neither. Women came out slightly ahead, 67.7% reading and writing against 65% of men. 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.
McCahill common first names
The most common male names were James (24), John, Patrick, Charles and Edward. For women it was Mary (20), followed by Bridget, Anne, Cassie and Mary Anne.
McCahill occupations in 1911
The most common occupation among McCahills was farmer, 25.7% of them (73 people). Next came scholar / student (23.2%), seamstress (2.1%), domestic servant (1.8%) and farm labourer (1.8%). Grouped by sector, agriculture accounted for 27.5% of all McCahills, followed by textiles & clothing, domestic service and building & construction.
What religion is McCahill?
McCahills were overwhelmingly Roman Catholic, 99.6% of them. The remainder were mostly Anglican (0.4%).

Visitor Notes
Review type for post source and surnames source type not found
Added by
Pete F
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McCahill statistics (1911)
Number: 284
Rank: 1,999
Average Age: 31
McCahill in the USA (2020)
Number: 682
Rank: 35,521
Note: If there were less than 100 in the USA census it will show as zero.