Duffield family name history and map
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Duffield in 1911 Ireland
The 1911 Census recorded 102 people named Duffield in Ireland; roughly one in every 43,000 people carried the name. There were noticeably more women than men recorded: 57 women to 45 men.
Counties with Duffield in Ireland
The Duffields were heavily concentrated in Down, home to 55.9% of them (57 people). Next came Antrim (29), Laois (9), Kildare (3) and Louth (2).

Duffield average age in 1911
The average Duffield in 1911 was 25.6 years old, 24.5 for men and 26.4 for women; noticeably younger 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.
Duffield literacy in 1911
Of the Duffields whose literacy was recorded, 90% could both read and write, 2% could read but not write, and 8% could do neither. Women came out slightly ahead, 91.2% reading and writing against 88.4% 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.
Duffield common first names
The most common male names were James (7), John, Thomas, William and Joseph. For women it was Margaret (7), followed by Mary, Sarah, Agnes Ann and Annie.
Duffield occupations in 1911
The most common entry on a Duffield's census form was "Scholar"; 28.4% (29) were children at school. Among the rest, the most common occupations were farmer (2.9%), general labourer (2.9%), metal worker / engineer (2.9%) and teacher (2.9%). Grouped by sector, textiles & clothing accounted for 5.9% of all Duffields, followed by agriculture, metal & engineering and domestic service.
What religion is Duffield?
Duffields were predominantly Anglican (72.5%). The remainder were mostly Presbyterian (22.5%) and Roman Catholic (3.9%).
Visitor Notes
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Pete F
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Duffield statistics (1911)
Number: 102
Rank: 3,808
Average Age: 26
Duffieldin the USA (2020)
Number: 3,855
Rank: 8,230
Note: If there were less than 100 in the USA census it will show as zero.
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