Deffley family name history and map
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Deffley in 1911 Ireland
The 1911 Census recorded just 45 people named Deffley in Ireland: 24 men and 21 women.
Counties with Deffley in Ireland
Most Deffleys were found in Roscommon (36), with smaller numbers in Dublin (6) and Longford (3).

Deffley average age in 1911
The average Deffley in 1911 was 27.7 years old, though with only 45 people recorded, averages like this should be taken loosely.
Deffley literacy in 1911
Of the Deffleys whose literacy was recorded, 75% could both read and write, 4.5% could read but not write, and 20.5% could do neither. Men came out slightly ahead, 82.6% reading and writing against 66.7% of women.
Deffley common first names
Among the Deffleys were men named John (6), James (5), Patrick (4), Michael (2) and Thomas (2) and women named Bridget (3), Ellen (2), Mary (2), Agnes and Anna Maria.
Deffley occupations in 1911
The most common entry on a Deffley's census form was "Scholar"; 28.9% (13) were children at school. Among the rest, the most common occupations were farmer (17.8%), farm labourer (8.9%), domestic servant (2.2%) and no occupation / dependent (2.2%).
What religion is Deffley?
Deffleys were overwhelmingly Roman Catholic, 100% of them.
Visitor Notes
Review type for post source and surnames source type not found
Added by
Pete F
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Deffley statistics (1911)
Number: 45
Rank: 6,141
Average Age: 28
Deffley in the USA (2020)
Number: 105
Rank: 152,989
Note: If there were less than 100 in the USA census it will show as zero.
Ref: deffley
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