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