McBrien family name history and map
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McBrien in 1911 Ireland
The 1911 Census recorded 707 people named McBrien in Ireland; roughly one in every 6,200 people carried the name. The name was split fairly evenly between men and women: 342 men and 365 women.
Counties with McBrien in Ireland
Fermanagh was McBrien country: 38.9% of them (275 people) lived there in 1911. Next came Cavan (166), Leitrim (59), Tyrone (48) and Sligo (33).

McBrien average age in 1911
The average McBrien in 1911 was 31.8 years old, 31.5 for men and 32.1 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.
McBrien literacy in 1911
Of the McBriens whose literacy was recorded, 74.4% could both read and write, 4.2% could read but not write, and 21.4% could do neither. Women came out slightly ahead, 77% reading and writing against 71.6% 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.
McBrien common first names
The most common male names were John (35), Patrick, James, Thomas and Michael; the same five names that topped the list nationally. For women it was Mary (40), followed by Bridget, Anne, Ellen and Margaret.
McBrien occupations in 1911
The most common occupation among McBriens was farmer, 27.4% of them (194 people). Next came scholar / student (18.2%), farm labourer (3%), domestic servant (2.3%) and shopkeeper / shop assistant / dealer (2%). Grouped by sector, agriculture accounted for 30.7% of all McBriens, followed by domestic service, retail & commerce and textiles & clothing.
What religion is McBrien?
McBriens were predominantly Roman Catholic (78.5%). The remainder were mostly Anglican (16.1%), Methodist (2.8%), Presbyterian (0.4%) and Non-Conformist (0.1%).
Visitor Notes
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Added by
Pete F
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McBrien statistics (1911)
Number: 707
Rank: 1,022
Average Age: 32
McBrienin the USA (2020)
Number: 922
Rank: 27,672
Note: If there were less than 100 in the USA census it will show as zero.

