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