Diffin family name history and map
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Diffin in 1911 Ireland
The 1911 Census recorded 61 people named Diffin in Ireland; roughly one in every 72,000 people carried the name. There were noticeably more women than men recorded: 36 women to 25 men.
Counties with Diffin in Ireland
Armagh was Diffin country: 31.1% of them (19 people) lived there in 1911. Next came Down (16), Antrim (12), Derry (12) and Kerry (1).

Diffin average age in 1911
The average Diffin in 1911 was 22.8 years old, 18.6 for men and 25.8 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.
Diffin literacy in 1911
Of the Diffins whose literacy was recorded, 73.6% could both read and write, 5.7% could read but not write, and 20.8% could do neither. Women came out slightly ahead, 81.8% reading and writing against 60% 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.
Diffin common first names
The most common male names were George (3), Henry, Thomas, John and Laurence. For women it was Martha (6), followed by Ellen, Nancy, Mary and Florence.
Diffin occupations in 1911
The most common entry on a Diffin's census form was "Scholar"; 32.8% (20) were children at school. Among the rest, the most common occupations were other maker / factory worker (6.6%), carpenter / joiner (4.9%), farm labourer (3.3%) and general labourer (3.3%). Grouped by sector, manufacturing & trades accounted for 6.6% of all Diffins, followed by agriculture, building & construction and retail & commerce.
What religion is Diffin?
The largest religious group among Diffins was Anglican, at 36.1%. The remainder were mostly Presbyterian (34.4%), Roman Catholic (19.7%) and Methodist (9.8%).
Visitor Notes
Review type for post source and surnames source type not found
Added by
Pete F
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Diffin statistics (1911)
Number: 61
Rank: 5,128
Average Age: 23
Diffinin the USA (2020)
Number: 401
Rank: 55,282
Note: If there were less than 100 in the USA census it will show as zero.

