How true was Bonnie Greer’s statement that ‘the United States is Irish’?

An analysis of the most recent US population data shows that one in ten Americans identifies as having Irish ancestry. The population of ‘Irish-America’ is seven times that of the Republic of Ireland itself, totalling more than 32 million people.

Irish descendants are second only to those with German ancestry (45 million), and rank just above English ancestry (23 million). Scottish-Irish ancestry accounts for a further 30 million.

Irish-Americans are most prevalent on ...