Devenny family name history and map
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Devenny in 1911 Ireland
The 1911 Census recorded 295 people named Devenny in Ireland; roughly one in every 15,000 people carried the name. The name was split fairly evenly between men and women: 162 men and 133 women.
Counties with Devenny in Ireland
The Devennys were heavily concentrated in Donegal, home to 69.5% of them (205 people). Next came Derry (54), Antrim (17), Tyrone (15) and Down (3).

Devenny average age in 1911
The average Devenny in 1911 was 30.6 years old, 31.7 for men and 29.4 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.
Devenny literacy in 1911
Of the Devennys whose literacy was recorded, 67.6% could both read and write, 5.1% could read but not write, and 27.3% could do neither. Women came out slightly ahead, 68.9% reading and writing against 66.5% 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.
Devenny common first names
The most common male names were James (32), John, Patrick, William and Hugh. For women it was Mary (25), followed by Bridget, Ellen, Catherine and Sarah.
Devenny occupations in 1911
The most common entry on a Devenny's census form was "Scholar"; 21.4% (63) were children at school. Among the rest, the most common occupations were farmer (18.3%), general labourer (9.2%), domestic servant (7.8%) and farm labourer (5.4%). Grouped by sector, agriculture accounted for 24.4% of all Devennys, followed by general labourers, domestic service and textiles & clothing.
What religion is Devenny?
Devennys were predominantly Roman Catholic (78.6%). The remainder were mostly Anglican (19.7%), Presbyterian (1.4%) and Unitarian (0.3%).
Visitor Notes
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Pete F
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Devenny statistics (1911)
Number: 295
Rank: 1,938
Average Age: 31
Devennyin the USA (2020)
Number: 395
Rank: 55,981
Note: If there were less than 100 in the USA census it will show as zero.
Ref: devenny
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