Cosgrave family name history and map
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Cosgrave in 1911 Ireland
The 1911 Census recorded 678 people named Cosgrave in Ireland; roughly one in every 6,500 people carried the name. The name was split fairly evenly between men and women: 328 men and 348 women. (A small number, 2, had no sex recorded.)
Counties with Cosgrave in Ireland
Dublin was Cosgrave country: 28.6% of them (194 people) lived there in 1911. Next came Wexford (174), Limerick (48), Galway (34) and Mayo (34).

Cosgrave average age in 1911
The average Cosgrave in 1911 was 29.1 years old, 28.9 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.
Cosgrave literacy in 1911
Of the Cosgraves whose literacy was recorded, 83.3% could both read and write, 2.9% could read but not write, and 13.9% could do neither. Women came out slightly ahead, 84.8% reading and writing against 81.6% 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.
Cosgrave common first names
The most common male names were John (43), Patrick, Thomas, James and Michael; the same five names that topped the list nationally. For women it was Mary (57), followed by Margaret, Bridget, Catherine and Annie.
Cosgrave occupations in 1911
The most common entry on a Cosgrave's census form was "Scholar"; 20.4% (138) were children at school. Among the rest, the most common occupations were farmer (14.6%), domestic servant (4.4%), farm labourer (4.1%) and general labourer (3.5%). Grouped by sector, agriculture accounted for 19.8% of all Cosgraves, followed by domestic service, general labourers and retail & commerce.
What religion is Cosgrave?
Cosgraves were overwhelmingly Roman Catholic, 96.5% of them. The remainder were mostly Anglican (2.5%).
Visitor Notes
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Added by
Pete F
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Cosgrave statistics (1911)
Number: 678
Rank: 1,050
Average Age: 29
Cosgravein the USA (2020)
Number: 469
Rank: 48,635
Note: If there were less than 100 in the USA census it will show as zero.

