Surname distribution maps for Callen
There are approximately 819 people named Callen in the UK. That makes it the 8,077th most common surname overall. Out of every million people in the UK, approximately 13 are named Callen.
Callen in the 1881 Census
Callen in the 21st Century
The maps, if available, show both where there are more people named Callen and where they are most concentrated.
The darker the colour, the more people in that county are named Callen.
The larger the dot, the greater the proportion of people in that county are named Callen.
Hovering over the dots will give you the individual statistics for that county.