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