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