Fennessey family name history and map
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Fennessey in 1911 Ireland
The 1911 Census recorded 59 people named Fennessey in Ireland; roughly one in every 74,000 people carried the name. The name was split fairly evenly between men and women: 32 men and 27 women.
Counties with Fennessey in Ireland
The Fennesseys were heavily concentrated in Tipperary, home to 54.2% of them (32 people). Next came Waterford (14), Dublin (6), Cork (3) and Kildare (3).

Fennessey average age in 1911
The average Fennessey in 1911 was 27.6 years old, 23.5 for men and 32.4 for women; a touch younger 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.
Fennessey literacy in 1911
Of the Fennesseys whose literacy was recorded, 71.2% could both read and write, 1.7% could read but not write, and 27.1% could do neither. Women came out slightly ahead, 77.8% reading and writing against 65.6% 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.
Fennessey common first names
The most common male names were Patrick (5), William, James, John and Michael. For women it was Mary (4), followed by Ellen, Margaret, Alice and Johanna.
Fennessey occupations in 1911
The most common entry on a Fennessey's census form was "Scholar"; 22% (13) were children at school. Among the rest, the most common occupations were farm labourer (6.8%), farmer (6.8%), domestic servant (3.4%) and general labourer (3.4%). Grouped by sector, agriculture accounted for 13.6% of all Fennesseys, followed by domestic service, textiles & clothing and general labourers.
What religion is Fennessey?
Fennesseys were overwhelmingly Roman Catholic, 100% of them.
Visitor Notes
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Pete F
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Fennessey statistics (1911)
Number: 59
Rank: 5,237
Average Age: 28
Fennessey in the USA (2020)
Number: 563
Rank: 41,648
Note: If there were less than 100 in the USA census it will show as zero.
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