The map here shows the proportion of the population with surname Irwin by district which were also known as the Poor Law Unions. The districts with the highest proportion were Clogher at 1.02%, Limavady at 0.89%, and Castlederg at 0.55%. The proportions shown use scientific notation where the colour map uses a log norm which is discussed in the methodology section which can be viewed using the link above.
The map here shows the proportion of the population with surname Irwin by DED. The electoral divisions with the highest proportion were Aghanaglack in County Fermanagh at 9.56%, Barrooskey in County Mayo at 5.24%, and Gelvin in County Londonderry at 4.61%. The proportions shown use scientific notation where the colour map uses a log norm which is discussed in the methodology section which can be viewed using the link above.
The pie chart shows the marital status of the population with surname Irwin. This is either single, married, or widow or widower. The proportion of responses aged over 15 who were single were 50.77%, married were 39.4%, and either widowed or widow were 9.83%.
The table shown here displays the top 10 first names by the number of people who had the surname Irwin. The most common first name was William at 306 people, followed by John at 262 people, Mary at 224 people, and James at 192 people.
The population pyramid displays a breakdown in groups of every 5 years the number of people with the surname Irwin.
The image shown is the religious breakdown for the population with surname Irwin. Each religion has been rounded to the nearest whole percentage and any religion less than 3% has been classified as other. The most common religion was Church of Ireland at 36.0%.
The table shown were the top 5 occupations for the population with the surname Irwin. The most common occupation was Farmer at 380 people, followed by Farmers Son at 149 people, and Farmers Daughter at 54 people.
The map shown here was the proportion of the population with surname Irwin who were born in each of the counties in Ireland. Unlike the proportion of the population above, this is the reported birthplace on the census. The counties with the highest proportion from it were Armagh at 0.41%, followed by Tyrone at 0.32%, Londonderry at 0.3%, and Monaghan at 0.17%. The proportions shown use scientific notation where the colour map uses a log norm which is discussed in the methodology section which can be viewed using the link above.
For the literacy pie chart shown, there are three categories, one for those who could read and write, another for those who could read only and the final for those who could not read or write. The pie chart is based on the population with surname Irwin. The proportion of responses aged over 9 who can read and write were 91.2%, read only were 3.86%, and not able to read or write were 4.94%.
The bar shown here is the percentage (in green) who could speak Irish while the percentage in red were those who do not speak Irish or if the census entry was blank or unknown for the population with surname Irwin. The proportion who could speak Irish was 4.0%, while either not speaking Irish or unknown was 96.0%.