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