O'Beirne family name history and map
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O'Beirne in 1911 Ireland
The 1911 Census recorded 312 people named O'Beirne in Ireland; roughly one in every 14,000 people carried the name. The name was split fairly evenly between men and women: 148 men and 163 women. (A small number, 1, had no sex recorded.)
Counties with O'Beirne in Ireland
Dublin was O'Beirne country: 33% of them (103 people) lived there in 1911. Next came Roscommon (44), Sligo (44), Leitrim (23) and Kildare (21).

O'Beirne average age in 1911
The average O'Beirne in 1911 was 29.4 years old, 29.6 for men and 29.1 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.
O'Beirne literacy in 1911
Of the O'Beirnes whose literacy was recorded, 90.1% could both read and write, 2% could read but not write, and 7.9% could do neither. Men came out slightly ahead, 91.7% reading and writing against 88.8% of 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.
O'Beirne common first names
The most common male names were John (23), Patrick, Thomas, Michael and James; the same five names that topped the list nationally. For women it was Mary (19), followed by Bridget, Annie, Kate and Lizzie.
O'Beirne occupations in 1911
The most common entry on an O'Beirne's census form was "Scholar"; 24% (75) were children at school. Among the rest, the most common occupations were farmer (11.5%), shopkeeper / shop assistant / dealer (7.7%), clergy / religious (2.9%) and teacher (2.2%). Grouped by sector, agriculture accounted for 11.9% of all O'Beirnes, followed by retail & commerce, professional and textiles & clothing.
What religion is O'Beirne?
O'Beirnes were overwhelmingly Roman Catholic, 97.1% of them. The remainder were mostly Anglican (0.3%).
Visitor Notes
Review type for post source and surnames source type not found
Added by
Pete F
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O'Beirne statistics (1911)
Number: 312
Rank: 1,869
Average Age: 29
O'Beirnein the USA (2020)
Number: 619
Rank: 38,482
Note: If there were less than 100 in the USA census it will show as zero.

