Geoghegan family name history and map
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Geoghegan in 1911 Ireland
The 1911 Census recorded 1,567 people named Geoghegan in Ireland, about 0.036% of everyone living in the country at the time and the 555th most common surname overall. The name was split fairly evenly between men and women: 795 men and 770 women. (A small number, 2, had no sex recorded.)
Counties with Geoghegan in Ireland
Dublin had the largest share of Geoghegans, 22.2% (348 people). Next came Galway (219), Westmeath (183), Offaly (106) and Monaghan (73).

Geoghegan average age in 1911
The average Geoghegan in 1911 was 30.6 years old, 30.1 for men and 31.0 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.
Geoghegan literacy in 1911
Of the Geoghegans whose literacy was recorded, 78.6% could both read and write, 2.9% could read but not write, and 18.5% could do neither. The figures were much the same for men and 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.
Geoghegan common first names
The most common male names were Patrick (112), John, Thomas, Michael and James; the same five names that topped the list nationally. For women it was Mary (123), followed by Bridget, Margaret, Catherine and Ellen.
Geoghegan occupations in 1911
The most common entry on a Geoghegan's census form was "Scholar"; 18.9% (296) were children at school. Among the rest, the most common occupations were farmer (17.9%), general labourer (4.3%), farm labourer (2.8%) and domestic servant (2%). Grouped by sector, agriculture accounted for 21.6% of all Geoghegans, followed by general labourers, domestic service and transport.
What religion is Geoghegan?
Geoghegans were overwhelmingly Roman Catholic, 96.6% of them. The remainder were mostly Anglican (2.9%).

Visitor Notes
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Added by
Pete F
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Geoghegan statistics (1911)
Number: 1,567
Rank: 555
Average Age: 31
Geoghegan in the USA (2020)
Number: 1,664
Rank: 16,706
Note: If there were less than 100 in the USA census it will show as zero.