More than 10 % of those born in the United Kingdom have at least one grandparent born in Ireland .
The 2001 UK Census states that 869,093 people born in Ireland are living in Great Britain .
More than 10 % of those born in the Great Britain   have at least one grandparent born in Ireland .
The 2001 UK Census states that 869,093 people born in Ireland are living in Great Britain .