Grennon family name history and map
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Grennon in 1911 Ireland
The 1911 Census recorded just 19 people named Grennon in Ireland: 7 men and 12 women.
Counties with Grennon in Ireland
Most Grennons were found in Dublin (12), with smaller numbers in Westmeath (6) and Longford (1).
Grennon average age in 1911
The average Grennon in 1911 was 26.2 years old, though with only 19 people recorded, averages like this should be taken loosely.
Grennon literacy in 1911
Of the Grennons whose literacy was recorded, 93.8% could both read and write, 0% could read but not write, and 6.2% could do neither.
Grennon common first names
Among the Grennons were men named Thomas (4), Christie, Luke and Michael and women named Annie (2), Mary (2), Ailleen, Bridge and Bridget.
Grennon occupations in 1911
Occupations were only recorded for a small share of Grennons. Among them were 6 at school, 2 recorded as carter / driver / groom, 1 recorded as agent / manager, 1 recorded as domestic servant and 1 recorded as farm labourer.
What religion is Grennon?
Grennons were predominantly Roman Catholic (84.2%). The remainder were mostly Anglican (15.8%).
Visitor Notes
Review type for post source and surnames source type not found
Added by
Pete F
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Grennon statistics (1911)
Number: 19
Rank: 9,830
Average Age: 26
Grennonin the USA (2020)
Number: 175
Rank: 108,023
Note: If there were less than 100 in the USA census it will show as zero.
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