Surname distribution maps for Irwin
There are approximately 11,781 people named Irwin in the UK. That makes it the 871th most common surname overall. Out of every million people in the UK, approximately 186 are named Irwin.
Irwin in the 1881 Census
Irwin in the 21st Century
The maps, if available, show both where there are more people named Irwin and where they are most concentrated.
The distributions are shown by means of coloured dots centred on the various British counties. The dots relate to the county as a whole, not to any specific location within the county.
For the 1881 census, the counties used are those which existed at the time and were recorded on the census data. For the 21st century stats, the traditional or ceremonial counties are used in order to avoid distortions caused by unitary authority cities.
The darker the colour, the more people in that county are named Irwin.
The larger the dot, the greater the proportion of people in that county are named Irwin.
Hovering over the dots will give you the individual statistics for that county.