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