O'Mally family name history and map
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O'Mally in 1911 Ireland
The 1911 Census recorded 130 people named O'Mally in Ireland; roughly one in every 34,000 people carried the name. The name was split fairly evenly between men and women: 66 men and 64 women.
Counties with O'Mally in Ireland
Mayo was O'Mally country: 49.2% of them (64 people) lived there in 1911. Next came Antrim (16), Dublin (14), Sligo (6) and Clare (5).

O'Mally average age in 1911
The average O'Mally in 1911 was 30.4 years old, 28.3 for men and 32.6 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'Mally literacy in 1911
Of the O'Mallys whose literacy was recorded, 68.3% could both read and write, 4.9% could read but not write, and 26.8% could do neither. Women came out slightly ahead, 72.6% reading and writing against 63.9% 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.
O'Mally common first names
The most common male names were John (10), Patrick, James, Michael and Anthony. For women it was Mary (12), followed by Bridget, Margaret, Agnes and Eliza Jane.
O'Mally occupations in 1911
The most common entry on an O'Mally's census form was "Scholar"; 23.1% (30) were children at school. Among the rest, the most common occupations were farmer (13.1%), general labourer (6.2%), domestic servant (3.1%) and farm labourer (3.1%). Grouped by sector, agriculture accounted for 16.2% of all O'Mallys, followed by general labourers, domestic service and retail & commerce.
What religion is O'Mally?
O'Mallys were overwhelmingly Roman Catholic, 94.6% of them. The remainder were mostly Anglican (5.4%).
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Pete F
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O'Mally statistics (1911)
Number: 130
Rank: 3,284
Average Age: 30
O'Mallyin the USA (2020)
Number: 152
Rank: 120,164
Note: If there were less than 100 in the USA census it will show as zero.
Ref: omally
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