Sinnott family name history and map
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Sinnott in 1911 Ireland
The 1911 Census recorded 1,357 people named Sinnott in Ireland, about 0.031% of everyone living in the country at the time and the 622nd most common surname overall. The name was split fairly evenly between men and women: 699 men and 656 women. (A small number, 2, had no sex recorded.)
Counties with Sinnott in Ireland
The Sinnotts were heavily concentrated in Wexford, home to 72.2% of them (980 people). Next came Dublin (103), Wicklow (63), Kilkenny (53) and Waterford (42).

Sinnott average age in 1911
The average Sinnott in 1911 was 33.1 years old, 32.7 for men and 33.5 for women; noticeably older 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.
Sinnott literacy in 1911
Of the Sinnotts whose literacy was recorded, 78.7% could both read and write, 3.9% could read but not write, and 17.4% could do neither. The figures were much the same for men and women. 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.
Sinnott common first names
The most common male names were John (111), James, Patrick, Thomas and Michael; the same five names that topped the list nationally. For women it was Mary (131), followed by Margaret, Bridget, Catherine and Ellen.
Sinnott occupations in 1911
The most common entry on a Sinnott's census form was "Scholar"; 17.2% (233) were children at school. Among the rest, the most common occupations were farmer (15.3%), farm labourer (7.2%), general labourer (5.9%) and domestic servant (3.6%). Grouped by sector, agriculture accounted for 22.9% of all Sinnotts, followed by general labourers, domestic service and retail & commerce.
What religion is Sinnott?
Sinnotts were overwhelmingly Roman Catholic, 98.6% of them. The remainder were mostly Anglican (0.7%).
Visitor Notes
Review type for post source and surnames source type not found
Added by
Pete F
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Sinnott statistics (1911)
Number: 1,357
Rank: 622
Average Age: 33
Sinnott in the USA (2020)
Number: 2,680
Rank: 11,273
Note: If there were less than 100 in the USA census it will show as zero.

