Surname distribution maps for Cahill
There are approximately 8,625 people named Cahill in the UK. That makes it the 1,231th most common surname overall. Out of every million people in the UK, approximately 137 are named Cahill.
Cahill in the 1881 Census
Cahill in the 21st Century
The maps, if available, show both where there are more people named Cahill 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 Cahill.
The larger the dot, the greater the proportion of people in that county are named Cahill.
Hovering over the dots will give you the individual statistics for that county.