Surname distribution maps for Colby

There are approximately 1,006 people named Colby in the UK. That makes it the 7,163rd most common surname overall. Out of every million people in the UK, approximately 16 are named Colby.

Colby in the 1881 Census

Colby in the 21st Century

The maps, if available, show both where there are more people named Colby and where they are most concentrated.

The distributions are shown by means of coloured dots centred on the various British counties. The dots relate to the county as a whole, not to any specific location within the county.

For the 1881 census, the counties used are those which existed at the time and were recorded on the census data. For the 21st century stats, the traditional or ceremonial counties are used in order to avoid distortions caused by unitary authority cities.

The darker the colour, the more people in that county are named Colby.

The larger the dot, the greater the proportion of people in that county are named Colby.

Hovering over the dots will give you the individual statistics for that county.