Surname distribution maps for Derrer
Derrer in the 1881 Census
Sorry, we don't have any stats for the distribution of Derrer in the 1881 Census.
Derrer in the 21st Century
The maps, if available, show both where there are more people named Derrer and where they are most concentrated.
The darker the colour, the more people in that county are named Derrer.
The larger the dot, the greater the proportion of people in that county are named Derrer.
Hovering over the dots will give you the individual statistics for that county.