McD family name history and map
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McD in 1911 Ireland
The 1911 Census recorded 570 people named McD in Ireland; roughly one in every 7,700 people carried the name. There were noticeably more men than women recorded: 344 men to 217 women. (A small number, 9, had no sex recorded.)
Counties with McD in Ireland
Dublin had the largest share of McDs, 17.5% (100 people). Next came Galway (68), Antrim (63), Mayo (30) and Donegal (26).

McD average age in 1911
The average McD in 1911 was 42.2 years old, 40.1 for men and 45.7 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.
McD literacy in 1911
Of the McDs whose literacy was recorded, 70.8% could both read and write, 5.4% could read but not write, and 23.8% could do neither. Men came out slightly ahead, 77.5% reading and writing against 58.5% of 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.
McD common first names
The most common male names were J (97), P, M, T and A. For women it was M (71), followed by B, E, A and C.
McD occupations in 1911
The most common occupation among McDs was general labourer, 20.4% of them (116 people). Next came farmer (13.3%), domestic servant (8.1%), scholar / student (5.6%) and housekeeper (3.7%). Grouped by sector, general labourers accounted for 20.4% of all McDs, followed by agriculture, domestic service and textiles & clothing.
What religion is McD?
McDs were predominantly Roman Catholic (80.7%). The remainder were mostly Presbyterian (7.4%), Anglican (7%) and Methodist (0.2%).

Visitor Notes
Review type for post source and surnames source type not found
Added by
Pete F
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McD statistics (1911)
Number: 570
Rank: 1,213
Average Age: 42
McD in the USA (2020)
Number: 0
Rank: 0
Note: If there were less than 100 in the USA census it will show as zero.
Ref: mcd
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