 The study found that over 90% of the 45,602 surnames in the dictionary are native to Britain and Ireland, with the most common in the UK being Smith, Jones, Williams, Brown, Taylor, Davies, and Wilson.The findings have been published in the "Oxford English Dictionary of Family Names in Britain and Ireland", with project leader, Professor Richard Coates calling the study "more detailed and accurate" than those before.He elaborated on the origins; "Some surnames have origins that are occupational – obvious examples are Smith and Baker.