Surname distribution maps for Coalter
Coalter in the 1881 Census
Coalter in the 21st Century
The maps, if available, show both where there are more people named Coalter and where they are most concentrated.
The darker the colour, the more people in that county are named Coalter.
The larger the dot, the greater the proportion of people in that county are named Coalter.
Hovering over the dots will give you the individual statistics for that county.