O' Brein family name history and map
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O' Brein in 1911 Ireland
The 1911 Census recorded 64 people named O' Brein in Ireland; roughly one in every 69,000 people carried the name. The name was split fairly evenly between men and women: 31 men and 33 women.
Counties with O' Brein in Ireland
Cork was O' Brein country: 32.8% of them (21 people) lived there in 1911. Next came Down (11), Dublin (7), Antrim (6) and Limerick (5).
O' Brein average age in 1911
The average O' Brein in 1911 was 32.0 years old, 28.6 for men and 35.2 for women; slightly older 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.
O' Brein literacy in 1911
Of the O' Breins whose literacy was recorded, 66.7% could both read and write, 10% could read but not write, and 23.3% could do neither. Men came out slightly ahead, 70% reading and writing against 63.3% 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' Brein common first names
The most common male names were John (7), James, Michael, Peter and Thomas. For women it was Mary (9), followed by Elizabeth, Ellen, Ellie and Abina.
O' Brein occupations in 1911
The most common entry on an O' Brein's census form was "Scholar"; 18.8% (12) were children at school. Among the rest, the most common occupations were farm labourer (9.4%), general labourer (7.8%), shopkeeper / shop assistant / dealer (6.2%) and farmer (4.7%). Grouped by sector, agriculture accounted for 14.1% of all O' Breins, followed by retail & commerce, general labourers and textiles & clothing.
What religion is O' Brein?
O' Breins were overwhelmingly Roman Catholic, 95.3% of them. The remainder were mostly Methodist (4.7%).
Visitor Notes
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Pete F
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O' Brein statistics (1911)
Number: 64
Rank: 4,974
Average Age: 32
O' Brein in the USA (2020)
Number: 186
Rank: 102,982
Note: If there were less than 100 in the USA census it will show as zero.
Ref: obrein
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