very nice data visualization of London surnames by Ollie O’Brian on http://names.mappinglondon.co.uk/          Data source: Surnames and their frequencies were derived from the 2001 CACI UK Enhanced Electoral Roll. View high resolution

very nice data visualization of London surnames by Ollie O’Brian on http://names.mappinglondon.co.uk/         

Data source: Surnames and their frequencies were derived from the 2001 CACI UK Enhanced Electoral Roll.

Notes