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