Jessica Ennis hailed as "the face of today"s Britain" as census figures reveal mixed-race rise

Britain's mixed race population leaps over one million as research reveals prejudices have sharply dropped Olympic heptathlete Jessica Ennis hailed as 'face of the census' according to think-tank director Her father Vinnie is from Jamaica and her mother Alison is from DerbyshireCensus expected to reveal at least 1m people born to mixed race parentsOnly 42% of people in survey could correctly identify Ennis as mixed race Women more comfortable with mixed race marriages than men by 66 to 58% | UPDATED: 00:30 GMT, 10 December 2012 The mixed-race population is among the fastest growing in Britain and is already the largest ethnic group among under-16s. Data from the 2011 census, released tomorrow, will suggest there are now more than one million people born to parents in interracial relationships. But academics believe the true figure could be more than double this, because many of mixed-race are believed to define themselves as a single race on official forms.