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