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