Crehan family name history and map
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Crehan in 1911 Ireland
The 1911 Census recorded 443 people named Crehan in Ireland; roughly one in every 9,900 people carried the name. The name was split fairly evenly between men and women: 226 men and 217 women.
Counties with Crehan in Ireland
The Crehans were heavily concentrated in Galway, home to 76.7% of them (340 people). Next came Clare (55), Limerick (27), Roscommon (9) and Cork (4).

Crehan average age in 1911
The average Crehan in 1911 was 30.1 years old, 29.8 for men and 30.3 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.
Crehan literacy in 1911
Of the Crehans whose literacy was recorded, 75.2% could both read and write, 3.7% could read but not write, and 20.9% 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.
Crehan common first names
The most common male names were John (34), Thomas, Michael, Patrick and James; the same five names that topped the list nationally. For women it was Mary (45), followed by Bridget, Catherine, Katie and Kate.
Crehan occupations in 1911
The most common occupation among Crehans was farmer, 24.6% of them (109 people). Next came scholar / student (19.9%), farm labourer (4.1%), general labourer (2.3%) and domestic servant (1.6%). Grouped by sector, agriculture accounted for 28.7% of all Crehans, followed by general labourers, domestic service and retail & commerce.
What religion is Crehan?
Crehans 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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Crehan statistics (1911)
Number: 443
Rank: 1,467
Average Age: 30
Crehanin the USA (2020)
Number: 590
Rank: 40,105
Note: If there were less than 100 in the USA census it will show as zero.

