McNiff family name history and map
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McNiff in 1911 Ireland
The 1911 Census recorded 285 people named McNiff in Ireland; roughly one in every 15,000 people carried the name. The name was split fairly evenly between men and women: 156 men and 129 women.
Counties with McNiff in Ireland
The McNiffs were heavily concentrated in Leitrim, home to 63.2% of them (180 people). Next came Sligo (36), Cavan (23), Roscommon (15) and Fermanagh (10).

McNiff average age in 1911
The average McNiff in 1911 was 30.0 years old, 29.5 for men and 30.5 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.
McNiff literacy in 1911
Of the McNiffs whose literacy was recorded, 78.9% could both read and write, 4.7% could read but not write, and 16.4% could do neither. Women came out slightly ahead, 83.1% reading and writing against 75.5% 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.
McNiff common first names
The most common male names were John (29), Patrick, James, Michael and Thomas; the same five names that topped the list nationally. For women it was Mary (19), followed by Bridget, Annie, Kate and Anne.
McNiff occupations in 1911
The most common occupation among McNiffs was farmer, 27.7% of them (79 people). Next came scholar / student (21.8%), general labourer (3.5%), domestic servant (2.8%) and farm labourer (1.4%). Grouped by sector, agriculture accounted for 30.5% of all McNiffs, followed by general labourers, domestic service and metal & engineering.
What religion is McNiff?
McNiffs were overwhelmingly Roman Catholic, 99.3% of them.

Visitor Notes
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Added by
Pete F
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McNiff statistics (1911)
Number: 285
Rank: 1,993
Average Age: 30
McNiff in the USA (2020)
Number: 1,348
Rank: 19,974
Note: If there were less than 100 in the USA census it will show as zero.
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