It is likely you know a Smith, Brown or Allen – some of the most common surnames.

Some of the most popular surnames in Watford should not be much of a surprise, as they vary from different traditional English names.

But you may be wondering how many people with the surname Smith can there actually be in Watford?

Website Forebears has compiled all the available data on surnames, forenames, towns and cities across the UK.

The information is based on data from 2014 and it shows the ratio of how many people bear the same surname.

Listed below are the 200 most common surnames, and you can even try searching to see if your one makes it onto the list!

We're sure the most common surname will not shock most.