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