Surname distribution maps for Drennan
There are approximately 2,053 people named Drennan in the UK. That makes it the 4,397th most common surname overall. Out of every million people in the UK, approximately 32 are named Drennan.
Drennan in the 1881 Census
Drennan in the 21st Century
The maps, if available, show both where there are more people named Drennan and where they are most concentrated.
The darker the colour, the more people in that county are named Drennan.
The larger the dot, the greater the proportion of people in that county are named Drennan.
Hovering over the dots will give you the individual statistics for that county.