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