can an irish citizen live in the uk
British nationality law and the Republic of Ireland As a result of the above, there is generally no special access to British citizenship for Irish citizens. The facility for those born before 1949 to claim British subject status does not confer British citizenship, although it gives an entitlement to registration as such after five years in the UK.
Indefinite leave to remain Commonwealth citizens who have ILR and are resident in the UK have the right to vote and stand as candidates in all elections.[2]
Leave to enter According to the United Kingdom Border Agency, a person who is not a British citizen, a Commonwealth citizen with the right of abode in the UK, or a national of an EU or EFTA state, requires leave to enter the United Kingdom.[1]
List of former European colonies Britain and United Kingdom